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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-15 13:49:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-15 13:49:27 -0700 |
| commit | e44740c1a94b5d39b093045920f543a7bc135584 (patch) | |
| tree | 3dc097e078653cc520476ac997e1765b90703a56 /arch/x86/um/asm | |
| parent | Merge tag 'upstream-4.1-rc1' of git://git.infradead.org/linux-ubifs (diff) | |
| parent | um: Print minimum physical memory requirement (diff) | |
| download | linux-dev-e44740c1a94b5d39b093045920f543a7bc135584.tar.xz linux-dev-e44740c1a94b5d39b093045920f543a7bc135584.zip | |
Merge tag 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- hostfs saw a face lifting
- old/broken stuff was removed (SMP, HIGHMEM, SKAS3/4)
- random cleanups and bug fixes
* tag 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: (26 commits)
um: Print minimum physical memory requirement
um: Move uml_postsetup in the init_thread stack
um: add a kmsg_dumper
x86, UML: fix integer overflow in ELF_ET_DYN_BASE
um: hostfs: Reduce number of syscalls in readdir
um: Remove broken highmem support
um: Remove broken SMP support
um: Remove SKAS3/4 support
um: Remove ppc cruft
um: Remove ia64 cruft
um: Remove dead code from stacktrace
hostfs: No need to box and later unbox the file mode
hostfs: Use page_offset()
hostfs: Set page flags in hostfs_readpage() correctly
hostfs: Remove superfluous initializations in hostfs_open()
hostfs: hostfs_open: Reset open flags upon each retry
hostfs: Remove superfluous test in hostfs_open()
hostfs: Report append flag in ->show_options()
hostfs: Use __getname() in follow_link
hostfs: Remove open coded strcpy()
...
Diffstat (limited to 'arch/x86/um/asm')
| -rw-r--r-- | arch/x86/um/asm/barrier.h | 11 | ||||
| -rw-r--r-- | arch/x86/um/asm/elf.h | 2 |
2 files changed, 1 insertions, 12 deletions
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 8ffd2146fa6a..7e8a1a650435 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -36,22 +36,11 @@ #endif /* CONFIG_X86_PPRO_FENCE */ #define dma_wmb() barrier() -#ifdef CONFIG_SMP - -#define smp_mb() mb() -#define smp_rmb() dma_rmb() -#define smp_wmb() barrier() -#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) - -#else /* CONFIG_SMP */ - #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() #define set_mb(var, value) do { var = value; barrier(); } while (0) -#endif /* CONFIG_SMP */ - #define read_barrier_depends() do { } while (0) #define smp_read_barrier_depends() do { } while (0) diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h index 25a1022dd793..0a656b727b1a 100644 --- a/arch/x86/um/asm/elf.h +++ b/arch/x86/um/asm/elf.h @@ -210,7 +210,7 @@ extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); #define ELF_EXEC_PAGESIZE 4096 -#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) +#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) extern long elf_aux_hwcap; #define ELF_HWCAP (elf_aux_hwcap) |