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2018-04-02Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds10-53/+108
Pull EFI updates from Ingo Molnar: "The main EFI changes in this cycle were: - Fix the apple-properties code (Andy Shevchenko) - Add WARN() on arm64 if UEFI Runtime Services corrupt the reserved x18 register (Ard Biesheuvel) - Use efi_switch_mm() on x86 instead of manipulating %cr3 directly (Sai Praneeth) - Fix early memremap leak in ESRT code (Ard Biesheuvel) - Switch to L"xxx" notation for wide string literals (Ard Biesheuvel) - ... plus misc other cleanups and bugfixes" * 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/efi: Use efi_switch_mm() rather than manually twiddling with %cr3 x86/efi: Replace efi_pgd with efi_mm.pgd efi: Use string literals for efi_char16_t variable initializers efi/esrt: Fix handling of early ESRT table mapping efi: Use efi_mm in x86 as well as ARM efi: Make const array 'apple' static efi/apple-properties: Use memremap() instead of ioremap() efi: Reorder pr_notice() with add_device_randomness() call x86/efi: Replace GFP_ATOMIC with GFP_KERNEL in efi_query_variable_store() efi/arm64: Check whether x18 is preserved by runtime services calls efi/arm*: Stop printing addresses of virtual mappings efi/apple-properties: Remove redundant attribute initialization from unmarshal_key_value_pairs() efi/arm*: Only register page tables when they exist
2018-04-02Merge branch 'x86-dma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds20-364/+57
Pull x86 dma mapping updates from Ingo Molnar: "This tree, by Christoph Hellwig, switches over the x86 architecture to the generic dma-direct and swiotlb code, and also unifies more of the dma-direct code between architectures. The now unused x86-only primitives are removed" * 'x86-dma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: dma-mapping: Don't clear GFP_ZERO in dma_alloc_attrs swiotlb: Make swiotlb_{alloc,free}_buffer depend on CONFIG_DMA_DIRECT_OPS dma/swiotlb: Remove swiotlb_{alloc,free}_coherent() dma/direct: Handle force decryption for DMA coherent buffers in common code dma/direct: Handle the memory encryption bit in common code dma/swiotlb: Remove swiotlb_set_mem_attributes() set_memory.h: Provide set_memory_{en,de}crypted() stubs x86/dma: Remove dma_alloc_coherent_gfp_flags() iommu/intel-iommu: Enable CONFIG_DMA_DIRECT_OPS=y and clean up intel_{alloc,free}_coherent() iommu/amd_iommu: Use CONFIG_DMA_DIRECT_OPS=y and dma_direct_{alloc,free}() x86/dma/amd_gart: Use dma_direct_{alloc,free}() x86/dma/amd_gart: Look at dev->coherent_dma_mask instead of GFP_DMA x86/dma: Use generic swiotlb_ops x86/dma: Use DMA-direct (CONFIG_DMA_DIRECT_OPS=y) x86/dma: Remove dma_alloc_coherent_mask()
2018-04-02Merge branch 'sched-wait-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds2-2/+4
Pull wait_var_event updates from Ingo Molnar: "This introduces the new wait_var_event() API, which is a more flexible waiting primitive than wait_on_atomic_t(). All wait_on_atomic_t() users are migrated over to the new API and wait_on_atomic_t() is removed. The migration fixes one bug and should result in no functional changes for the other usecases" * 'sched-wait-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/wait: Improve __var_waitqueue() code generation sched/wait: Remove the wait_on_atomic_t() API sched/wait, arch/mips: Fix and convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/ocfs2: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/nfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/fscache: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/btrfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, fs/afs: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, drivers/media: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait, drivers/drm: Convert wait_on_atomic_t() usage to the new wait_var_event() API sched/wait: Introduce wait_var_event()
2018-04-02Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds5-5/+43
Pull x86 timer updates from Ingo Molnar: "Two changes: add the new convert_art_ns_to_tsc() API for upcoming Intel Goldmont+ drivers, and remove the obsolete rdtscll() API" * 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/tsc: Get rid of rdtscll() x86/tsc: Convert ART in nanoseconds to TSC
2018-04-02Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds13-81/+84
Pull x86 platform updates from Ingo Molnar: "The main changes in this cycle were: - Add "Jailhouse" hypervisor support (Jan Kiszka) - Update DeviceTree support (Ivan Gorinov) - Improve DMI date handling (Andy Shevchenko)" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/PCI: Fix a potential regression when using dmi_get_bios_year() firmware/dmi_scan: Uninline dmi_get_bios_year() helper x86/devicetree: Use CPU description from Device Tree of/Documentation: Specify local APIC ID in "reg" MAINTAINERS: Add entry for Jailhouse x86/jailhouse: Allow to use PCI_MMCONFIG without ACPI x86: Consolidate PCI_MMCONFIG configs x86: Align x86_64 PCI_MMCONFIG with 32-bit variant x86/jailhouse: Enable PCI mmconfig access in inmates PCI: Scan all functions when running over Jailhouse jailhouse: Provide detection for non-x86 systems x86/devicetree: Fix device IRQ settings in DT x86/devicetree: Initialize device tree before using it pci: Simplify code by using the new dmi_get_bios_year() helper ACPI/sleep: Simplify code by using the new dmi_get_bios_year() helper x86/pci: Simplify code by using the new dmi_get_bios_year() helper dmi: Introduce the dmi_get_bios_year() helper function x86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro x86/platform/atom: Re-use DEFINE_SHOW_ATTRIBUTE() macro
2018-04-02Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds57-970/+1619
Pull x86 mm updates from Ingo Molnar: - Extend the memmap= boot parameter syntax to allow the redeclaration and dropping of existing ranges, and to support all e820 range types (Jan H. Schönherr) - Improve the W+X boot time security checks to remove false positive warnings on Xen (Jan Beulich) - Support booting as Xen PVH guest (Juergen Gross) - Improved 5-level paging (LA57) support, in particular it's possible now to have a single kernel image for both 4-level and 5-level hardware (Kirill A. Shutemov) - AMD hardware RAM encryption support (SME/SEV) fixes (Tom Lendacky) - Preparatory commits for hardware-encrypted RAM support on Intel CPUs. (Kirill A. Shutemov) - Improved Intel-MID support (Andy Shevchenko) - Show EFI page tables in page_tables debug files (Andy Lutomirski) - ... plus misc fixes and smaller cleanups * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits) x86/cpu/tme: Fix spelling: "configuation" -> "configuration" x86/boot: Fix SEV boot failure from change to __PHYSICAL_MASK_SHIFT x86/mm: Update comment in detect_tme() regarding x86_phys_bits x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic x86/mm: Remove pointless checks in vmalloc_fault x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms ACPI, x86/boot: Introduce the ->reduced_hw_early_init() ACPI callback ACPI, x86/boot: Split out acpi_generic_reduce_hw_init() and export x86/pconfig: Provide defines and helper to run MKTME_KEY_PROG leaf x86/pconfig: Detect PCONFIG targets x86/tme: Detect if TME and MKTME is activated by BIOS x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G x86/boot/compressed/64: Use page table in trampoline memory x86/boot/compressed/64: Use stack from trampoline memory x86/boot/compressed/64: Make sure we have a 32-bit code segment x86/mm: Do not use paravirtualized calls in native_set_p4d() kdump, vmcoreinfo: Export pgtable_l5_enabled value x86/boot/compressed/64: Prepare new top-level page table for trampoline x86/boot/compressed/64: Set up trampoline memory x86/boot/compressed/64: Save and restore trampoline memory ...
2018-04-02Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds12-130/+119
Pull x86 cleanups and msr updates from Ingo Molnar: "The main change is a performance/latency improvement to /dev/msr access. The rest are misc cleanups" * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/msr: Make rdmsrl_safe_on_cpu() scheduling safe as well x86/cpuid: Allow cpuid_read() to schedule x86/msr: Allow rdmsr_safe_on_cpu() to schedule x86/rtc: Stop using deprecated functions x86/dumpstack: Unify show_regs() x86/fault: Do not print IP in show_fault_oops() x86/MSR: Move native_* variants to msr.h
2018-04-02Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds5-26/+9
Pull x86 build updates from Ingo Molnar: "The biggest change is the forcing of asm-goto support on x86, which effectively increases the GCC minimum supported version to gcc-4.5 (on x86)" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build: Don't pass in -D__KERNEL__ multiple times x86: Remove FAST_FEATURE_TESTS x86: Force asm-goto x86/build: Drop superfluous ALIGN from the linker script
2018-04-02Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds2-3/+1
Pull x86 asm fixlets from Ingo Molnar: "A clobber list fix and cleanups" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/asm: Trim clear_page.S includes x86/asm: Clobber flags in clear_page()
2018-04-02Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds14-115/+99
Pull x86 apic updates from Ingo Molnar: "The main x86 APIC/IOAPIC changes in this cycle were: - Robustify kexec support to more carefully restore IRQ hardware state before calling into kexec/kdump kernels. (Baoquan He) - Clean up the local APIC code a bit (Dou Liyang) - Remove unused callbacks (David Rientjes)" * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic: Finish removing unused callbacks x86/apic: Drop logical_smp_processor_id() inline x86/apic: Modernize the pending interrupt code x86/apic: Move pending interrupt check code into it's own function x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified x86/apic: Rename variables and functions related to x86_io_apic_ops x86/apic: Remove the (now) unused disable_IO_APIC() function x86/apic: Fix restoring boot IRQ mode in reboot and kexec/kdump x86/apic: Split disable_IO_APIC() into two functions to fix CONFIG_KEXEC_JUMP=y x86/apic: Split out restore_boot_irq_mode() from disable_IO_APIC() x86/apic: Make setup_local_APIC() static x86/apic: Simplify init_bsp_APIC() usage x86/x2apic: Mark set_x2apic_phys_mode() as __init
2018-04-02Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds5-113/+149
Pull x86 RAS updates from Ingo Molnar: "The main changes in this cycle were: - AMD MCE support/decoding improvements (Yazen Ghannam) - general MCE header cleanups and reorganization (Borislav Petkov)" * 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "x86/mce/AMD: Collect error info even if valid bits are not set" x86/MCE: Cleanup and complete struct mce fields definitions x86/mce/AMD: Carve out SMCA get_block_address() code x86/mce/AMD: Get address from already initialized block x86/mce/AMD, EDAC/mce_amd: Enumerate Reserved SMCA bank type x86/mce/AMD: Pass the bank number to smca_get_bank_type() x86/mce/AMD: Collect error info even if valid bits are not set x86/mce: Issue the 'mcelog --ascii' message only on !AMD x86/mce: Convert 'struct mca_config' bools to a bitfield x86/mce: Put private structures and definitions into the internal header
2018-04-02syscalls/x86: auto-create compat_sys_*() prototypesDominik Brodowski3-66/+1
compat_sys_*() functions are no longer called from within the kernel on x86 except from the system call table. Linking the system call does not require compat_sys_*() function prototypes at least on x86. Therefore, generate compat_sys_*() prototypes on-the-fly within the COMPAT_SYSCALL_DEFINEx() macro, and remove x86-specific prototypes from various header files. Suggested-by: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: x86@kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02x86/sigreturn: use SYSCALL_DEFINE0Tautschnig, Michael1-2/+3
All definitions of syscalls in x86 except for those patched here have already been using the appropriate SYSCALL_DEFINE*. Signed-off-by: Michael Tautschnig <tautschn@amazon.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jaswinder Singh <jaswinder@infradead.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: x86@kernel.org Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02x86: fix sys_sigreturn() return type to be long, not unsigned longDominik Brodowski2-2/+2
Same as with other system calls, sys_sigreturn() should return a value of type long, not unsigned long. This also matches the behaviour for IA32_EMULATION, see sys32_sigreturn() in arch/x86/ia32/ia32_signal.c . Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Slaby <jslaby@suse.com> Cc: x86@kernel.org Cc: Michael Tautschnig <tautschn@amazon.co.uk> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02x86/ioport: add ksys_ioperm() helper; remove in-kernel calls to sys_ioperm()Dominik Brodowski2-1/+7
Using this helper allows us to avoid the in-kernel calls to the sys_ioperm() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_ioperm(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Slaby <jslaby@suse.com> Cc: x86@kernel.org Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02mm: add ksys_readahead() helper; remove in-kernel calls to sys_readahead()Dominik Brodowski6-6/+6
Using this helper allows us to avoid the in-kernel calls to the sys_readahead() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_readahead(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()Dominik Brodowski18-31/+33
Using this helper allows us to avoid the in-kernel calls to the sys_mmap_pgoff() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_mmap_pgoff(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02mm: add ksys_fadvise64_64() helper; remove in-kernel call to sys_fadvise64_64()Dominik Brodowski10-25/+26
Using the ksys_fadvise64_64() helper allows us to avoid the in-kernel calls to the sys_fadvise64_64() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as ksys_fadvise64_64(). Some compat stubs called sys_fadvise64(), which then just passed through the arguments to sys_fadvise64_64(). Get rid of this indirection, and call ksys_fadvise64_64() directly. This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_fallocate() wrapper; remove in-kernel calls to sys_fallocate()Dominik Brodowski6-11/+11
Using the ksys_fallocate() wrapper allows us to get rid of in-kernel calls to the sys_fallocate() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_fallocate(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_p{read,write}64() helpers; remove in-kernel calls to syscallsDominik Brodowski7-16/+16
Using the ksys_p{read,write}64() wrappers allows us to get rid of in-kernel calls to the sys_pread64() and sys_pwrite64() syscalls. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_p{read,write}64(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_truncate() wrapper; remove in-kernel calls to sys_truncate()Dominik Brodowski6-8/+9
Using the ksys_truncate() wrapper allows us to get rid of in-kernel calls to the sys_truncate() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_truncate(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_sync_file_range helper(); remove in-kernel calls to syscallDominik Brodowski6-8/+8
Using this helper allows us to avoid the in-kernel calls to the sys_sync_file_range() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_sync_file_range(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_sync() helper; remove in-kernel calls to sys_sync()Dominik Brodowski1-1/+1
Using this helper allows us to avoid the in-kernel calls to the sys_sync() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_sync(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_read() helper; remove in-kernel calls to sys_read()Dominik Brodowski1-1/+1
Using this helper allows us to avoid the in-kernel calls to the sys_read() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_read(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_ftruncate() wrapper; remove in-kernel calls to sys_ftruncate()Dominik Brodowski6-7/+7
Using the ksys_ftruncate() wrapper allows us to get rid of in-kernel calls to the sys_ftruncate() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_ftruncate(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappersDominik Brodowski1-3/+3
Using the fs-interal do_fchownat() wrapper allows us to get rid of fs-internal calls to the sys_fchownat() syscall. Introducing the ksys_fchown() helper and the ksys_{,}chown() wrappers allows us to avoid the in-kernel calls to the sys_{,l,f}chown() syscalls. The ksys_ prefix denotes that these functions are meant as a drop-in replacement for the syscalls. In particular, they use the same calling convention as sys_{,l,f}chown(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs: add ksys_write() helper; remove in-kernel calls to sys_write()Dominik Brodowski1-1/+1
Using this helper allows us to avoid the in-kernel calls to the sys_write() syscall. The ksys_ prefix denotes that this function is meant as a drop-in replacement for the syscall. In particular, it uses the same calling convention as sys_write(). In the near future, the do_mounts / initramfs callers of ksys_write() should be converted to use filp_open() and vfs_write() instead. This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: linux-s390@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02fs/quota: use COMPAT_SYSCALL_DEFINE for sys32_quotactl()Dominik Brodowski1-1/+1
While sys32_quotactl() is only needed on x86, it can use the recommended COMPAT_SYSCALL_DEFINEx() machinery for its setup. Acked-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02x86: remove compat_sys_x86_waitpid()Dominik Brodowski3-10/+1
compat_sys_x86_waitpid() is not needed, as it takes the same parameters (int, *int, int) as the native syscall. Suggested-by: Al Viro <viro@ZenIV.linux.org.uk> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Slaby <jslaby@suse.com> Cc: x86@kernel.org Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02x86: use _do_fork() in compat_sys_x86_clone()Dominik Brodowski1-1/+2
It is trivial to directly call _do_fork() instead of the sys_clone() syscall in compat_sys_x86_clone(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Slaby <jslaby@suse.com> Cc: x86@kernel.org Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2018-04-02Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds16-46/+186
Pull perf updates from Ingo Molnar: "The main kernel side changes were: - Modernize the kprobe and uprobe creation/destruction tooling ABIs: The existing text based APIs (kprobe_events and uprobe_events in tracefs), are naive, limited ABIs in that they require user-space to clean up after themselves, which is both difficult and fragile if the tool is buggy or exits unexpectedly. In other words they are not really suited for modern, robust tooling. So introduce a modern, file descriptor based ABI that does not have these limitations: introduce the 'perf_kprobe' and 'perf_uprobe' PMUs and extend the perf_event_open() syscall to create events with a kprobe/uprobe attached to them. These [k,u]probe are associated with this file descriptor, so they are not available in tracefs. (Song Liu) - Intel Cannon Lake CPU support (Harry Pan) - Intel PT cleanups (Alexander Shishkin) - Improve the performance of pinned/flexible event groups by using RB trees (Alexey Budankov) - Add PERF_EVENT_IOC_MODIFY_ATTRIBUTES which allows the modification of hardware breakpoints, which new ABI variant massively speeds up existing tooling that uses hardware breakpoints to instrument (and debug) memory usage. (Milind Chabbi, Jiri Olsa) - Various Intel PEBS handling fixes and improvements, and other Intel PMU improvements (Kan Liang) - Various perf core improvements and optimizations (Peter Zijlstra) - ... misc cleanups, fixes and updates. There's over 200 tooling commits, here's an (imperfect) list of highlights: - 'perf annotate' improvements: * Recognize and handle jumps to other functions as calls, which improves the navigation along jumps and back. (Arnaldo Carvalho de Melo) * Add the 'P' hotkey in TUI annotation to dump annotation output into a file, to ease e-mail reporting of annotation details. (Arnaldo Carvalho de Melo) * Add an IPC/cycles column to the TUI (Jin Yao) * Improve s390 assembly annotation (Thomas Richter) * Refactor the output formatting logic to better separate it into interactive and non-interactive features and add the --stdio2 output variant to demonstrate this. (Arnaldo Carvalho de Melo) - 'perf script' improvements: * Add Python 3 support (Jaroslav Škarvada) * Add --show-round-event (Jiri Olsa) - 'perf c2c' improvements: * Add NUMA analysis support (Jiri Olsa) - 'perf trace' improvements: * Improve PowerPC support (Ravi Bangoria) - 'perf inject' improvements: * Integrate ARM CoreSight traces (Robert Walker) - 'perf stat' improvements: * Add the --interval-count option (yuzhoujian) * Add the --timeout option (yuzhoujian) - 'perf sched' improvements (Changbin Du) - Vendor events improvements : * Add IBM s390 vendor events (Thomas Richter) * Add and improve arm64 vendor events (John Garry, Ganapatrao Kulkarni) * Update POWER9 vendor events (Sukadev Bhattiprolu) - Intel PT tooling improvements (Adrian Hunter) - PMU handling improvements (Agustin Vega-Frias) - Record machine topology in perf.data (Jiri Olsa) - Various overwrite related cleanups (Kan Liang) - Add arm64 dwarf post unwind support (Kim Phillips, Jean Pihet) - ... and lots of other changes, cleanups and fixes, see the shortlog and Git history for details" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (262 commits) perf/x86/intel: Enable C-state residency events for Cannon Lake perf/x86/intel: Add Cannon Lake support for RAPL profiling perf/x86/pt, coresight: Clean up address filter structure perf vendor events s390: Add JSON files for IBM z14 perf vendor events s390: Add JSON files for IBM z13 perf vendor events s390: Add JSON files for IBM zEC12 zBC12 perf vendor events s390: Add JSON files for IBM z196 perf vendor events s390: Add JSON files for IBM z10EC z10BC perf mmap: Be consistent when checking for an unmaped ring buffer perf mmap: Fix accessing unmapped mmap in perf_mmap__read_done() perf build: Fix check-headers.sh opts assignment perf/x86: Update rdpmc_always_available static key to the modern API perf annotate: Use absolute addresses to calculate jump target offsets perf annotate: Defer searching for comma in raw line till it is needed perf annotate: Support jumping from one function to another perf annotate: Add "_local" to jump/offset validation routines perf python: Reference Py_None before returning it perf annotate: Mark jumps to outher functions with the call arrow perf annotate: Pass function descriptor to its instruction parsing routines perf annotate: No need to calculate notes->start twice ...
2018-04-02Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds8-199/+192
Pull locking updates from Ingo Molnar: "The main changes in the locking subsystem in this cycle were: - Add the Linux Kernel Memory Consistency Model (LKMM) subsystem, which is an an array of tools in tools/memory-model/ that formally describe the Linux memory coherency model (a.k.a. Documentation/memory-barriers.txt), and also produce 'litmus tests' in form of kernel code which can be directly executed and tested. Here's a high level background article about an earlier version of this work on LWN.net: https://lwn.net/Articles/718628/ The design principles: "There is reason to believe that Documentation/memory-barriers.txt could use some help, and a major purpose of this patch is to provide that help in the form of a design-time tool that can produce all valid executions of a small fragment of concurrent Linux-kernel code, which is called a "litmus test". This tool's functionality is roughly similar to a full state-space search. Please note that this is a design-time tool, not useful for regression testing. However, we hope that the underlying Linux-kernel memory model will be incorporated into other tools capable of analyzing large bodies of code for regression-testing purposes." [...] "A second tool is klitmus7, which converts litmus tests to loadable kernel modules for direct testing. As with herd7, the klitmus7 code is freely available from http://diy.inria.fr/sources/index.html (and via "git" at https://github.com/herd/herdtools7)" [...] Credits go to: "This patch was the result of a most excellent collaboration founded by Jade Alglave and also including Alan Stern, Andrea Parri, and Luc Maranget." ... and to the gents listed in the MAINTAINERS entry: LINUX KERNEL MEMORY CONSISTENCY MODEL (LKMM) M: Alan Stern <stern@rowland.harvard.edu> M: Andrea Parri <parri.andrea@gmail.com> M: Will Deacon <will.deacon@arm.com> M: Peter Zijlstra <peterz@infradead.org> M: Boqun Feng <boqun.feng@gmail.com> M: Nicholas Piggin <npiggin@gmail.com> M: David Howells <dhowells@redhat.com> M: Jade Alglave <j.alglave@ucl.ac.uk> M: Luc Maranget <luc.maranget@inria.fr> M: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> The LKMM project already found several bugs in Linux locking primitives and improved the understanding and the documentation of the Linux memory model all around. - Add KASAN instrumentation to atomic APIs (Dmitry Vyukov) - Add RWSEM API debugging and reorganize the lock debugging Kconfig (Waiman Long) - ... misc cleanups and other smaller changes" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits) locking/Kconfig: Restructure the lock debugging menu locking/Kconfig: Add LOCK_DEBUGGING_SUPPORT to make it more readable locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock mismatches lockdep: Make the lock debug output more useful locking/rtmutex: Handle non enqueued waiters gracefully in remove_waiter() locking/atomic, asm-generic, x86: Add comments for atomic instrumentation locking/atomic, asm-generic: Add KASAN instrumentation to atomic operations locking/atomic/x86: Switch atomic.h to use atomic-instrumented.h locking/atomic, asm-generic: Add asm-generic/atomic-instrumented.h locking/xchg/alpha: Remove superfluous memory barriers from the _local() variants tools/memory-model: Finish the removal of rb-dep, smp_read_barrier_depends(), and lockless_dereference() tools/memory-model: Add documentation of new litmus test tools/memory-model: Remove mention of docker/gentoo image locking/memory-barriers: De-emphasize smp_read_barrier_depends() some more locking/lockdep: Show unadorned pointers mutex: Drop linkage.h from mutex.h tools/memory-model: Remove rb-dep, smp_read_barrier_depends, and lockless_dereference tools/memory-model: Convert underscores to hyphens tools/memory-model: Add a S lock-based external-view litmus test tools/memory-model: Add required herd7 version to README file ...
2018-04-02Merge tag 'drm-for-v4.17' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-1/+1
Pull drm updates from Dave Airlie: "Cannonlake and Vega12 support are probably the two major things. This pull lacks nouveau, Ben had some unforseen leave and a few other blockers so we'll see how things look or maybe leave it for this merge window. core: - Device links to handle sound/gpu pm dependency - Color encoding/range properties - Plane clipping into plane check helper - Backlight helpers - DP TP4 + HBR3 helper support amdgpu: - Vega12 support - Enable DC by default on all supported GPUs - Powerplay restructuring and cleanup - DC bandwidth calc updates - DC backlight on pre-DCE11 - TTM backing store dropping support - SR-IOV fixes - Adding "wattman" like functionality - DC crc support - Improved DC dual-link handling amdkfd: - GPUVM support for dGPU - KFD events for dGPU - Enable PCIe atomics for dGPUs - HSA process eviction support - Live-lock fixes for process eviction - VM page table allocation fix for large-bar systems panel: - Raydium RM68200 - AUO G104SN02 V2 - KEO TX31D200VM0BAA - ARM Versatile panels i915: - Cannonlake support enabled - AUX-F port support added - Icelake base enabling until internal milestone of forcewake support - Query uAPI interface (used for GPU topology information currently) - Compressed framebuffer support for sprites - kmem cache shrinking when GPU is idle - Avoid boosting GPU when waited item is being processed already - Avoid retraining LSPCON link unnecessarily - Decrease request signaling latency - Deprecation of I915_SET_COLORKEY_NONE - Kerneldoc and compiler warning cleanup for upcoming CI enforcements - Full range ycbcr toggling - HDCP support i915/gvt: - Big refactor for shadow ppgtt - KBL context save/restore via LRI cmd (Weinan) - Properly unmap dma for guest page (Changbin) vmwgfx: - Lots of various improvements etnaviv: - Use the drm gpu scheduler - prep work for GC7000L support vc4: - fix alpha blending - Expose perf counters to userspace pl111: - Bandwidth checking/limiting - Versatile panel support sun4i: - A83T HDMI support - A80 support - YUV plane support - H3/H5 HDMI support omapdrm: - HPD support for DVI connector - remove lots of static variables msm: - DSI updates from 10nm / SDM845 - fix for race condition with a3xx/a4xx fence completion irq - some refactoring/prep work for eventual a6xx support (ie. when we have a userspace) - a5xx debugfs enhancements - some mdp5 fixes/cleanups to prepare for eventually merging writeback - support (ie. when we have a userspace) tegra: - mmap() fixes for fbdev devices - Overlay plane for hw cursor fix - dma-buf cache maintenance support mali-dp: - YUV->RGB conversion support rockchip: - rk3399/chromebook fixes and improvements rcar-du: - LVDS support move to drm bridge - DT bindings for R8A77995 - Driver/DT support for R8A77970 tilcdc: - DRM panel support" * tag 'drm-for-v4.17' of git://people.freedesktop.org/~airlied/linux: (1646 commits) drm/i915: Fix hibernation with ACPI S0 target state drm/i915/execlists: Use a locked clear_bit() for synchronisation with interrupt drm/i915: Specify which engines to reset following semaphore/event lockups drm/i915/dp: Write to SET_POWER dpcd to enable MST hub. drm/amdkfd: Use ordered workqueue to restore processes drm/amdgpu: Fix acquiring VM on large-BAR systems drm/amd/pp: clean header file hwmgr.h drm/amd/pp: use mlck_table.count for array loop index limit drm: Fix uabi regression by allowing garbage mode->type from userspace drm/amdgpu: Add an ATPX quirk for hybrid laptop drm/amdgpu: fix spelling mistake: "asssert" -> "assert" drm/amd/pp: Add new asic support in pp_psm.c drm/amd/pp: Clean up powerplay code on Vega12 drm/amd/pp: Add smu irq handlers for legacy asics drm/amd/pp: Fix set wrong temperature range on smu7 drm/amdgpu: Don't change preferred domian when fallback GTT v5 drm/vmwgfx: Bump version patchlevel and date drm/vmwgfx: use monotonic event timestamps drm/vmwgfx: Unpin the screen object backup buffer when not used drm/vmwgfx: Stricter count of legacy surface device resources ...
2018-04-02Merge remote-tracking branches 'spi/topic/atmel', 'spi/topic/bcm-qspi', 'spi/topic/bcm2835aux', 'spi/topic/dw' and 'spi/topic/gpio' into spi-nextMark Brown7-56/+144
2018-04-02Merge branch 'pm-cpufreq'Rafael J. Wysocki1-2/+0
* pm-cpufreq: (38 commits) cpufreq: CPPC: Use transition_delay_us depending transition_latency cpufreq: tegra186: Don't validate the frequency table twice cpufreq: speedstep: Don't validate the frequency table twice cpufreq: sparc: Don't validate the frequency table twice cpufreq: sh: Don't validate the frequency table twice cpufreq: sfi: Don't validate the frequency table twice cpufreq: scpi: Don't validate the frequency table twice cpufreq: sc520: Don't validate the frequency table twice cpufreq: s3c24xx: Don't validate the frequency table twice cpufreq: qoirq: Don't validate the frequency table twice cpufreq: pxa: Don't validate the frequency table twice cpufreq: ppc_cbe: Don't validate the frequency table twice cpufreq: powernow: Don't validate the frequency table twice cpufreq: p4-clockmod: Don't validate the frequency table twice cpufreq: mediatek: Don't validate the frequency table twice cpufreq: longhaul: Don't validate the frequency table twice cpufreq: ia64-acpi: Don't validate the frequency table twice cpufreq: elanfreq: Don't validate the frequency table twice cpufreq: e_powersaver: Don't validate the frequency table twice cpufreq: cpufreq-dt: Don't validate the frequency table twice ...
2018-04-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller55-317/+398
Minor conflicts in drivers/net/ethernet/mellanox/mlx5/core/en_rep.c, we had some overlapping changes: 1) In 'net' MLX5E_PARAMS_LOG_{SQ,RQ}_SIZE --> MLX5E_REP_PARAMS_LOG_{SQ,RQ}_SIZE 2) In 'net-next' params->log_rq_size is renamed to be params->log_rq_mtu_frames. 3) In 'net-next' params->hard_mtu is added. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-31Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds1-8/+17
Pull perf fixes from Ingo Molnar: "Two fixlets" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/hwbp: Simplify the perf-hwbp code, fix documentation perf/x86/intel: Fix linear IP of PEBS real_ip on Haswell and later CPUs
2018-03-31Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds5-4/+6
Pull x86 fixes from Ingo Molnar: "Two UV platform fixes, and a kbuild fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/platform/UV: Fix critical UV MMR address error x86/platform/uv/BAU: Add APIC idt entry x86/purgatory: Avoid creating stray .<pid>.d files, remove -MD from KBUILD_CFLAGS
2018-03-31Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds1-3/+1
Pull x86 PTI fixes from Ingo Molnar: "Two fixes: a relatively simple objtool fix that makes Clang built kernels work with ORC debug info, plus an alternatives macro fix" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/alternatives: Fixup alternative_call_2 objtool: Add Clang support
2018-03-31perf/x86/intel: Enable C-state residency events for Cannon LakeHarry Pan1-13/+31
Cannon Lake supports C1/C3/C6/C7, PC2/PC3/PC6/PC7/PC8/PC9/PC10 state residency counters, this patch enables those counters. ( The MSR information is based on Intel Software Developers' Manual, Vol. 4, Order No. 335592. ) Tested-by: Puthikorn Voravootivat <puthik@chromium.org> Signed-off-by: Harry Pan <harry.pan@intel.com> Reviewed-by: Benson Leung <bleung@chromium.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kan.liang@intel.com Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: gs0622@gmail.com Link: http://lkml.kernel.org/r/20180309121549.630-3-harry.pan@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-31perf/x86/intel: Add Cannon Lake support for RAPL profilingHarry Pan1-0/+2
This patch enables RAPL counters (energy consumption counters) support for Cannon Lake processors. ( ESU and power domains refer to Intel Software Developers' Manual, Vol. 4, Order No. 335592. ) Usage example: $ perf list $ perf stat -a -e power/energy-cores/,power/energy-pkg/ sleep 10 Tested-by: Puthikorn Voravootivat <puthik@chromium.org> Signed-off-by: Harry Pan <harry.pan@intel.com> Reviewed-by: Benson Leung <bleung@chromium.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: colin.king@canonical.com Cc: gs0622@gmail.com Cc: kan.liang@linux.intel.com Link: http://lkml.kernel.org/r/20180309121549.630-2-harry.pan@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-31x86/cpu/tme: Fix spelling: "configuation" -> "configuration"Colin Ian King1-1/+1
Trivial fix to spelling mistake in the pr_err_once() error message text. Signed-off-by: Colin Ian King <colin.king@canonical.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kernel-janitors@vger.kernel.org Link: http://lkml.kernel.org/r/20180313154709.1015-1-colin.king@canonical.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-31x86/build: Don't pass in -D__KERNEL__ multiple timesCao jin2-3/+2
Some .<target>.cmd files under arch/x86 are showing two instances of -D__KERNEL__, like arch/x86/boot/ and arch/x86/realmode/rm/. __KERNEL__ is already defined in KBUILD_CPPFLAGS in the top Makefile, so it can be dropped safely. Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Michal Marek <michal.lkml@markovi.net> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kbuild@vger.kernel.org Link: http://lkml.kernel.org/r/20180316084944.3997-1-caoj.fnst@cn.fujitsu.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-31Merge branch 'linus' into locking/core, to pick up fixesIngo Molnar78-469/+612
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-30Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds3-24/+25
Pull KVM fixes from Radim Krčmář: "PPC: - Fix a bug causing occasional machine check exceptions on POWER8 hosts (introduced in 4.16-rc1) x86: - Fix a guest crashing regression with nested VMX and restricted guest (introduced in 4.16-rc1) - Fix dependency check for pv tlb flush (the wrong dependency that effectively disabled the feature was added in 4.16-rc4, the original feature in 4.16-rc1, so it got decent testing)" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Fix pv tlb flush dependencies KVM: nVMX: sync vmcs02 segment regs prior to vmx_set_cr0 KVM: PPC: Book3S HV: Fix duplication of host SLB entries
2018-03-29perf/x86/pt, coresight: Clean up address filter structureAlexander Shishkin1-3/+10
This is a cosmetic patch that deals with the address filter structure's ambiguous fields 'filter' and 'range'. The former stands to mean that the filter's *action* should be to filter the traces to its address range if it's set or stop tracing if it's unset. This is confusing and hard on the eyes, so this patch replaces it with 'action' enum. The 'range' field is completely redundant (meaning that the filter is an address range as opposed to a single address trigger), as we can use zero size to mean the same thing. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/20180329120648.11902-1-alexander.shishkin@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-29Merge branch 'perf/urgent' into perf/coreIngo Molnar25-168/+165
Conflicts: kernel/events/hw_breakpoint.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-29Merge tag 'irqchip-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/coreThomas Gleixner2-20/+32
Pull irqchip updates for 4.17 from Marc Zyngier: - New Qualcomm PDC irqchip - New Microsemi Ocelot irqchip - Suspend/resume support for some oddball GICv3 irqchip - Better GIC/GICv3 support for kexec - Various cleanups and fixes
2018-03-28Merge tag 'powerpc-4.16-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds13-90/+154
Pull powerpc fixes from Michael Ellerman: "Some more powerpc fixes for 4.16. Apologies if this is a bit big at rc7, but they're all reasonably important fixes. None are actually for new code, so they aren't indicative of 4.16 being in bad shape from our point of view. - Fix missing AT_BASE_PLATFORM (in auxv) when we're using a new firmware interface for describing CPU features. - Fix lost pending interrupts due to a race in our interrupt soft-masking code. - A workaround for a nest MMU bug with TLB invalidations on Power9. - A workaround for broadcast TLB invalidations on Power9. - Fix a bug in our instruction SLB miss handler, when handling bad addresses (eg. >= TASK_SIZE), which could corrupt non-volatile user GPRs. Thanks to: Aneesh Kumar K.V, Balbir Singh, Benjamin Herrenschmidt, Nicholas Piggin" * tag 'powerpc-4.16-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s: Fix i-side SLB miss bad address handler saving nonvolatile GPRs powerpc/mm: Fixup tlbie vs store ordering issue on POWER9 powerpc/mm/radix: Move the functions that does the actual tlbie closer powerpc/mm/radix: Remove unused code powerpc/mm: Workaround Nest MMU bug with TLB invalidations powerpc/mm: Add tracking of the number of coprocessors using a context powerpc/64s: Fix lost pending interrupt due to race causing lost update to irq_happened powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features
2018-03-28Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds12-39/+123
Pull ARM SoC fixes from Arnd Bergmann: "Here are are a couple of last-minute fixes for 4.16, mostly for regressions. As usual, the majory are device tree changes: - USB 3 support on rk3399 didn't work and is being reverted for now - One fix for an old suspend/resume bug on rk3399 - A few regulator related fixes on Banana Pi M2, and on imx7d-sdb - A boot regression fix for all Aspeed SoCs failing to find their memory - One more dtc warning fix The other changes are: - A few updates to the MAINTAINERS file - A revert for an incorrect orion5x cleanup - Two power management fixes for OMAP" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP: Fix SRAM W+X mapping ARM: dts: aspeed: Add default memory node mailmap: Update email address for Gregory CLEMENT ARM: davinci: fix the GPIO lookup for omapl138-hawk MAINTAINERS: Update Tegra IOMMU maintainer ARM: dts: imx7d-sdb: Fix regulator-usb-otg2-vbus node name ARM: ux500: Fix PMU IRQ regression ARM: dts: rockchip: Add missing #sound-dai-cells on rk3288 Revert "arm64: dts: rockchip: add usb3-phy otg-port support for rk3399" arm64: dts: rockchip: Fix rk3399-gru-* s2r (pinctrl hogs, wifi reset) ARM: OMAP: Fix dmtimer init for omap1 MAINTAINERS: update email address for Maxime Ripard ARM: dts: sun6i: a31s: bpi-m2: add missing regulators ARM: dts: sun6i: a31s: bpi-m2: improve pmic properties