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2022-07-05ARM: dts: stm32: Add alternate pinmux for CAN1 pinsMarek Vasut1-0/+20
Add another mux option for CAN1 pins, this is used on DRC Compact board. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05dt-bindings: arm: stm32: Add compatible string for DH electronics DHCOR DRC CompactMarek Vasut1-1/+7
Add DT compatible string for DH electronics STM32MP15xx DHCOR on DRC Compact carrier board into YAML DT binding document. This system is a general purpose DIN Rail Controller design. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: Fix SPI2 pinmux pin comments on stm32mp15Marek Vasut1-3/+3
Those pin comments refer to SPI2 pins, not SPI1 pins, update the comments. No functional change. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: add optee reserved memory on stm32mp135f-dkGabriel Fernandez1-0/+11
Add the static OP-TEE reserved memory regions. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: add RCC on STM32MP13x SoC familyGabriel Fernandez4-79/+47
Enables Reset and Clocks Controller on STM32MP13 Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: enable optee firmware and SCMI support on STM32MP13Gabriel Fernandez1-0/+38
Enable optee and SCMI clocks support. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05dt-bindings: rcc: stm32: select the "secure" path for stm32mp13Alexandre Torgue1-0/+1
Like for stm32mp15, when stm32 RCC node is used to interact with a secure context (using clock SCMI protocol), a different path has to be used for yaml verification. Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com> Acked-by: Rob Herring <robh@kernel.org>
2022-07-05ARM: dts: stm32: correct vcc-supply for eeprom on stm32mp15xx-osd32Leonard Göhrs1-7/+1
According to the OSD32MP1 Power System overview[1] the EEPROM is connected to the VDD line and not to some single-purpose fixed regulator. Set the EEPROM supply according to the diagram to eliminate this parent-less regulator. [1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de> Acked-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: fix missing internally connected voltage regulator for OSD32MP1Leonard Göhrs1-0/+1
According to the OSD32MP1 Power System overview[1] ldo3's input is always internally connected to vdd_ddr. [1]: https://octavosystems.com/app_notes/osd32mp1-power-system-overview/#connections Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de> Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: adjust whitespace around '=' on MCU boardsKrzysztof Kozlowski5-18/+18
Fix whitespace coding style: use single space instead of tabs or multiple spaces around '=' sign in property assignment. No functional changes (same DTB). Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: Move DHCOR BUCK3 VDD 2V9 adjustment to 1V8 DTSIMarek Vasut2-2/+7
The Buck3 on DHCOR is used to supply IO voltage. It can output either 3V3 in the default DHCOR configuration, or 2V9 in case of AV96 DHCOR variant which has extra Empirion DCDC converter in front of the 1V8 IO supply, or outright 1V8 in case of 1V8 IO DHCOR without the Empirion DCDC converter. The 2V9 mode in case of AV96 DHCOR variant is used to reduce unnecessarily high input voltage to the Empirion DCDC converter, so move it into matching DTSI to stop confusing users. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-05ARM: dts: stm32: remove the IPCC "wakeup" IRQ on stm32mp151Fabien Dessenne1-4/+3
The stm32 ipcc mailbox driver supports only two interrupts (rx and tx), so remove the unsupported "wakeup" one. Note that the EXTI interrupt 61 has two roles : it is hierarchically linked to the GIC IPCC "rx" interrupt, and it acts as a wakeup source. Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-04ARM: dts: stm32: add missing usbh clock and fix clk order on stm32mp15Fabrice Gasnier1-2/+2
The USBH composed of EHCI and OHCI controllers needs the PHY clock to be initialized first, before enabling (gating) them. The reverse is also required when going to suspend. So, add USBPHY clock as 1st entry in both controllers, so the USBPHY PLL gets enabled 1st upon controller init. Upon suspend/resume, this also makes the clock to be disabled/re-enabled in the correct order. This fixes some IRQ storm conditions seen when going to low-power, due to PHY PLL being disabled before all clocks are cleanly gated. Fixes: 949a0c0dec85 ("ARM: dts: stm32: add USB Host (USBH) support to stm32mp157c") Fixes: db7be2cb87ae ("ARM: dts: stm32: use usbphyc ck_usbo_48m as USBH OHCI clock on stm32mp151") Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-04ARM: dts: stm32: delete fixed clock node on STM32MP15-SCMIGabriel Fernandez1-0/+6
Delete the node fixed clock managed by secure world with SCMI. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-04ARM: dts: stm32: DSI should use LSE SCMI clock on DK1/ED1 STM32 boardGabriel Fernandez2-0/+8
LSE clock is provided by SCMI. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-04ARM: dts: stm32: use the correct clock source for CEC on stm32mp151Gabriel Fernandez1-1/+1
The peripheral clock of CEC is not LSE but CEC. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-07-04ARM: dts: stm32: fix pwr regulators references to use scmiEtienne Carriere3-0/+54
Fixes stm32mp15*-scmi DTS files introduced in [1] to also access PWR regulators through SCMI service. This is needed since enabling secure only access to RCC clock and reset controllers also enables secure access only on PWR voltage regulators reg11, reg18 and usb33 hence these must also be accessed through SCMI Voltage Domain protocol. This change applies on commit [2] that already corrects issues from commit [1]. Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Link: [1] https://lore.kernel.org/linux-arm-kernel/20220422150952.20587-7-alexandre.torgue@foss.st.com Link: [2] https://lore.kernel.org/linux-arm-kernel/20220613071920.5463-1-alexandre.torgue@foss.st.com Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2022-06-26Linux 5.19-rc4Linus Torvalds1-1/+1
2022-06-26tools headers UAPI: Synch KVM's svm.h header with the kernelArnaldo Carvalho de Melo1-0/+13
To pick up the changes from: d5af44dde5461d12 ("x86/sev: Provide support for SNP guest request NAEs") 0afb6b660a6b58cb ("x86/sev: Use SEV-SNP AP creation to start secondary CPUs") dc3f3d2474b80eae ("x86/mm: Validate memory when changing the C-bit") cbd3d4f7c4e5a93e ("x86/sev: Check SEV-SNP features support") That gets these new SVM exit reasons: + { SVM_VMGEXIT_PSC, "vmgexit_page_state_change" }, \ + { SVM_VMGEXIT_GUEST_REQUEST, "vmgexit_guest_request" }, \ + { SVM_VMGEXIT_EXT_GUEST_REQUEST, "vmgexit_ext_guest_request" }, \ + { SVM_VMGEXIT_AP_CREATION, "vmgexit_ap_creation" }, \ + { SVM_VMGEXIT_HV_FEATURES, "vmgexit_hypervisor_feature" }, \ Addressing this perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/svm.h' differs from latest version at 'arch/x86/include/uapi/asm/svm.h' diff -u tools/arch/x86/include/uapi/asm/svm.h arch/x86/include/uapi/asm/svm.h This causes these changes: CC /tmp/build/perf-urgent/arch/x86/util/kvm-stat.o LD /tmp/build/perf-urgent/arch/x86/util/perf-in.o LD /tmp/build/perf-urgent/arch/x86/perf-in.o LD /tmp/build/perf-urgent/arch/perf-in.o LD /tmp/build/perf-urgent/perf-in.o LINK /tmp/build/perf-urgent/perf Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26tools include UAPI: Sync linux/vhost.h with the kernel sourcesArnaldo Carvalho de Melo1-6/+20
To get the changes in: 84d7c8fd3aade2fe ("vhost-vdpa: introduce uAPI to set group ASID") 2d1fcb7758e49fd9 ("vhost-vdpa: uAPI to get virtqueue group id") a0c95f201170bd55 ("vhost-vdpa: introduce uAPI to get the number of address spaces") 3ace88bd37436abc ("vhost-vdpa: introduce uAPI to get the number of virtqueue groups") 175d493c3c3e09a3 ("vhost: move the backend feature bits to vhost_types.h") Silencing this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/vhost.h' differs from latest version at 'include/uapi/linux/vhost.h' diff -u tools/include/uapi/linux/vhost.h include/uapi/linux/vhost.h To pick up these changes and support them: $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > before $ cp include/uapi/linux/vhost.h tools/include/uapi/linux/vhost.h $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh > after $ diff -u before after --- before 2022-06-26 12:04:35.982003781 -0300 +++ after 2022-06-26 12:04:43.819972476 -0300 @@ -28,6 +28,7 @@ [0x74] = "VDPA_SET_CONFIG", [0x75] = "VDPA_SET_VRING_ENABLE", [0x77] = "VDPA_SET_CONFIG_CALL", + [0x7C] = "VDPA_SET_GROUP_ASID", }; static const char *vhost_virtio_ioctl_read_cmds[] = { [0x00] = "GET_FEATURES", @@ -39,5 +40,8 @@ [0x76] = "VDPA_GET_VRING_NUM", [0x78] = "VDPA_GET_IOVA_RANGE", [0x79] = "VDPA_GET_CONFIG_SIZE", + [0x7A] = "VDPA_GET_AS_NUM", + [0x7B] = "VDPA_GET_VRING_GROUP", [0x80] = "VDPA_GET_VQS_COUNT", + [0x81] = "VDPA_GET_GROUP_NUM", }; $ Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Gautam Dawar <gautam.dawar@xilinx.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/lkml/Yrh3xMYbfeAD0MFL@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26perf stat: Enable ignore_missing_threadGang Li1-0/+2
perf already support ignore_missing_thread for -p, but not yet applied to `perf stat -p <pid>`. This patch enables ignore_missing_thread for `perf stat -p <pid>`. Committer notes: And here is a refresher about the 'ignore_missing_thread' knob, from a previous patch using it: ca8000684ec4e66f ("perf evsel: Enable ignore_missing_thread for pid option") --- While monitoring a multithread process with pid option, perf sometimes may return sys_perf_event_open failure with 3(No such process) if any of the process's threads die before we open the event. However, we want perf continue monitoring the remaining threads and do not exit with error. --- Signed-off-by: Gang Li <ligang.bdlg@bytedance.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220622030037.15005-1-ligang.bdlg@bytedance.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26perf inject: Adjust output data offset for backward compatibilityRaul Silvera3-1/+17
When 'perf inject' creates a new file, it reuses the data offset from the input file. If there has been a change on the size of the header, as happened in v5.12 -> v5.13, the new offsets will be wrong, resulting in a corrupted output file. This change adds the function perf_session__data_offset to compute the data offset based on the current header size, and uses that instead of the offset from the original input file. Signed-off-by: Raul Silvera <rsilvera@google.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Colin Ian King <colin.king@intel.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220621152725.2668041-1-rsilvera@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26perf trace beauty: Fix generation of errno id->str table on ALT LinuxArnaldo Carvalho de Melo1-12/+2
For some reason using: cat <<EoFuncBegin static const char *errno_to_name__$arch(int err) { switch (err) { EoFuncBegin In tools/perf/trace/beauty/arch_errno_names.sh isn't working on ALT Linux sisyphus (development version), which could be some distro specific glitch, so just get this done in an alternative way that works everywhere while giving notice to the people working on that distro to try and figure our what really took place. Cc: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26perf build-id: Fix caching files with a wrong build IDAdrian Hunter1-0/+28
Build ID events associate a file name with a build ID. However, when using perf inject, there is no guarantee that the file on the current machine at the current time has that build ID. Fix by comparing the build IDs and skip adding to the cache if they are different. Example: $ echo "int main() {return 0;}" > prog.c $ gcc -o prog prog.c $ perf record --buildid-all ./prog [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.019 MB perf.data ] $ file-buildid() { file $1 | awk -F= '{print $2}' | awk -F, '{print $1}' ; } $ file-buildid prog 444ad9be165d8058a48ce2ffb4e9f55854a3293e $ file-buildid ~/.debug/$(pwd)/prog/444ad9be165d8058a48ce2ffb4e9f55854a3293e/elf 444ad9be165d8058a48ce2ffb4e9f55854a3293e $ echo "int main() {return 1;}" > prog.c $ gcc -o prog prog.c $ file-buildid prog 885524d5aaa24008a3e2b06caa3ea95d013c0fc5 Before: $ perf buildid-cache --purge $(pwd)/prog $ perf inject -i perf.data -o junk $ file-buildid ~/.debug/$(pwd)/prog/444ad9be165d8058a48ce2ffb4e9f55854a3293e/elf 885524d5aaa24008a3e2b06caa3ea95d013c0fc5 $ After: $ perf buildid-cache --purge $(pwd)/prog $ perf inject -i perf.data -o junk $ file-buildid ~/.debug/$(pwd)/prog/444ad9be165d8058a48ce2ffb4e9f55854a3293e/elf $ Fixes: 454c407ec17a0c63 ("perf: add perf-inject builtin") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Tom Zanussi <tzanussi@gmail.com> Link: https://lore.kernel.org/r/20220621125144.5623-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26tools headers cpufeatures: Sync with the kernel sourcesArnaldo Carvalho de Melo2-3/+12
To pick the changes from: d6d0c7f681fda1d0 ("x86/cpufeatures: Add PerfMonV2 feature bit") 296d5a17e793956f ("KVM: SEV-ES: Use V_TSC_AUX if available instead of RDTSC/MSR_TSC_AUX intercepts") f30903394eb62316 ("x86/cpufeatures: Add virtual TSC_AUX feature bit") 8ad7e8f696951f19 ("x86/fpu/xsave: Support XSAVEC in the kernel") 59bd54a84d15e933 ("x86/tdx: Detect running as a TDX guest in early boot") a77d41ac3a0f41c8 ("x86/cpufeatures: Add AMD Fam19h Branch Sampling feature") This only causes these perf files to be rebuilt: CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o CC /tmp/build/perf/bench/mem-memset-x86-64-asm.o And addresses this perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h' diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h Warning: Kernel ABI header at 'tools/arch/x86/include/asm/disabled-features.h' differs from latest version at 'arch/x86/include/asm/disabled-features.h' diff -u tools/arch/x86/include/asm/disabled-features.h arch/x86/include/asm/disabled-features.h Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sandipan Das <sandipan.das@amd.com> Cc: Babu Moger <babu.moger@amd.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/lkml/YrDkgmwhLv+nKeOo@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26tools headers UAPI: Sync drm/i915_drm.h with the kernel sourcesArnaldo Carvalho de Melo1-81/+272
To pick up the changes in: ecf8eca51f33dbfd ("drm/i915/xehp: Add compute engine ABI") 991b4de3275728fd ("drm/i915/uapi: Add kerneldoc for engine class enum") c94fde8f516610b0 ("drm/i915/uapi: Add DRM_I915_QUERY_GEOMETRY_SUBSLICES") 1c671ad753dbbf5f ("drm/i915/doc: Link query items to their uapi structs") a2e5402691e23269 ("drm/i915/doc: Convert perf UAPI comments to kerneldoc") 462ac1cdf4d7acf1 ("drm/i915/doc: Convert drm_i915_query_topology_info comment to kerneldoc") 034d47b25b2ce627 ("drm/i915/uapi: Document DRM_I915_QUERY_HWCONFIG_BLOB") 78e1fb3112c0ac44 ("drm/i915/uapi: Add query for hwconfig blob") That don't add any new ioctl, so no changes in tooling. This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h' diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h Cc: John Harrison <John.C.Harrison@intel.com> Cc: Matt Atwood <matthew.s.atwood@intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: http://lore.kernel.org/lkml/YrDi4ALYjv9Mdocq@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26perf inject: Fix missing free in copy_kcore_dir()Adrian Hunter1-1/+3
Free string allocated by asprintf(). Fixes: d8fc08550929bb84 ("perf inject: Keep a copy of kcore_dir") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20220620103904.7960-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-26parisc: Enable ARCH_HAS_STRICT_MODULE_RWXHelge Deller1-0/+1
Fix a boot crash on a c8000 machine as reported by Dave. Basically it changes patch_map() to return an alias mapping to the to-be-patched code in order to prevent writing to write-protected memory. Signed-off-by: Helge Deller <deller@gmx.de> Suggested-by: John David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # v5.2+ Link: https://lore.kernel.org/all/e8ec39e8-25f8-e6b4-b7ed-4cb23efc756e@bell.net/
2022-06-26parisc: Fix flush_anon_page on PA8800/PA8900John David Anglin1-1/+4
Anonymous pages are allocated with the shared mappings colouring, SHM_COLOUR. Since the alias boundary on machines with PA8800 and PA8900 processors is unknown, flush_user_cache_page() might not flush all mappings of a shared anonymous page. Flushing the whole data cache flushes all mappings. This won't fix all coherency issues with shared mappings but it seems to work well in practice. I haven't seen any random memory faults in almost a month on a rp3440 running as a debian buildd machine. There is a small preformance hit. Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v5.18+
2022-06-26parisc: align '*' in comment in math-emu codeJiang Jian1-1/+1
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Helge Deller <deller@gmx.de>
2022-06-26kbuild: Ignore __this_module in gen_autoksyms.shSami Tolvanen1-0/+3
Module object files can contain an undefined reference to __this_module, which isn't resolved until we link the final .ko. The kernel doesn't export this symbol, so ignore it in gen_autoksyms.sh. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Tested-by: Steve Muckle <smuckle@google.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Tested-by: Ramji Jiyani <ramjiyani@google.com>
2022-06-26kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS (2nd attempt)Masahiro Yamada1-1/+1
If CONFIG_TRIM_UNUSED_KSYMS is enabled and the kernel is built from a pristine state, the vmlinux is linked twice. Commit 3fdc7d3fe4c0 ("kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS") explains why this happens, but it did not fix the issue at all. Now I realized I had applied a wrong patch. In v1 patch [1], the autoksyms_recursive target correctly recurses to "$(MAKE) -f $(srctree)/Makefile autoksyms_recursive". In v2 patch [2], I accidentally dropped the diff line, and it recurses to "$(MAKE) -f $(srctree)/Makefile vmlinux". Restore the code I intended in v1. [1]: https://lore.kernel.org/linux-kbuild/1521045861-22418-8-git-send-email-yamada.masahiro@socionext.com/ [2]: https://lore.kernel.org/linux-kbuild/1521166725-24157-8-git-send-email-yamada.masahiro@socionext.com/ Fixes: 3fdc7d3fe4c0 ("kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS") Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
2022-06-25LoongArch: Make compute_return_era() return voidTiezhu Yang2-4/+2
compute_return_era() always returns 0, make it return void, and then no need to check its return value for its callers. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-25LoongArch: Fix wrong fpu versionTiezhu Yang1-1/+1
According to the configuration information accessible by the CPUCFG instruction in LoongArch Reference Manual [1], FP_ver is stored in bit [5: 3] of CPUCFG2, the current code to get fpu version is wrong, use CPUCFG2_FPVERS to fix it. [1] https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html Fixes: 628c3bb40e9a ("LoongArch: Add boot and setup routines") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-25LoongArch: Fix EENTRY/MERRENTRY setting in setup_tlb_handler()Huacai Chen1-2/+3
setup_tlb_handler() is expected to set per-cpu exception handlers, but it only set the TLBRENTRY successfully because of copy & paste errors, so fix it. Reviewed-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-25LoongArch: Fix sleeping in atomic context in setup_tlb_handler()Huacai Chen1-1/+1
Since setup_tlb_handler() is executed in atomic context, we should use GFP_ATOMIC instead of GFP_KERNEL to alloc pages. Otherwise we will get a "sleeping in atomic context" error: [ 0.013118] BUG: sleeping function called from invalid context at mm/page_alloc.c:5158 [ 0.013126] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1 [ 0.013131] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19-rc3+ #1008 1a223086d14d07967cc427f15d52139422271360 [ 0.013136] Hardware name: Loongson Loongson-3A5000-7A1000-1w-V0.1-CRB/Loongson-LS3A5000-7A1000-1w-EVB-V1.21, BIOS Loongson-UDK2018-V2.0.04082-beta7 04/27 [ 0.013140] Stack : 90000000015fc990 9000000100493c18 9000000000df3370 9000000100490000 [ 0.013151] 9000000100493b50 0000000000000000 9000000100493b58 9000000001417ef0 [ 0.013160] 900000000199e54e 0000000000000040 9000000100493c18 90000000015f7a98 [ 0.013168] ffffffffffffffff 6de72f8b42179d1e 9000000100403b80 90000000015f7890 [ 0.013176] 0000000000000001 00000000fffff175 9000000000eb9860 9000000001530b4b [ 0.013184] 9000000000e99e60 0000000000000013 0000000006ecc000 0000000000000001 [ 0.013193] 90000000015f7a98 9000000001417ef0 0000000000000004 0000000000000000 [ 0.013201] 0000000000000cc0 0000000000000000 0000000000000001 90000000015fc990 [ 0.013209] 9000000000217e74 9000000001603b6b 9000000000208640 0000000000000000 [ 0.013217] 00000000000000b0 0000000000000004 0000000000000000 0000000000070000 [ 0.013225] ... [ 0.013229] Call Trace: [ 0.013230] [<9000000000208640>] show_stack+0x4c/0x14c [ 0.013240] [<9000000000df3370>] dump_stack_lvl+0x70/0xac [ 0.013246] [<9000000000270c8c>] ___might_sleep+0x104/0x124 [ 0.013253] [<9000000000477e84>] __alloc_pages+0x240/0x464 [ 0.013260] [<9000000000214214>] setup_tlb_handler+0x104/0x1e8 [ 0.013265] [<9000000000214324>] tlb_init+0x2c/0x3c [ 0.013270] [<9000000000208b74>] per_cpu_trap_init+0xec/0x108 [ 0.013275] [<9000000000202850>] cpu_probe+0x400/0x8a4 [ 0.013279] [<900000000020d160>] start_secondary+0x5c/0x3d4 Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-25LoongArch: Fix the _stext symbol addressHuacai Chen2-2/+1
_stext means the start of .text section (see __is_kernel_text()), but we put its definition in .ref.text by mistake. Fix it by defining it in the vmlinux.lds.S. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-25LoongArch: Fix the !THP buildHuacai Chen1-5/+5
Fix the !THP build by making pmd_pfn() available in all configurations. Because pmd_pfn() is used in mm/page_vma_mapped.c whether or not THP is configured. Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-06-24cifs: update cifs_ses::ip_addr after failoverPaulo Alcantara1-1/+7
cifs_ses::ip_addr wasn't being updated in cifs_session_setup() when reconnecting SMB sessions thus returning wrong value in /proc/fs/cifs/DebugData. Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Cc: stable@kernel.org Signed-off-by: Steve French <stfrench@microsoft.com>
2022-06-24ARM: dts: aspeed: nuvia: rename vendor nuvia to qcomJae Hyun Yoo2-3/+3
Nuvia has been acquired by Qualcomm and the vendor name 'nuvia' will not be used anymore so rename aspeed-bmc-nuvia-dc-scm.dts to aspeed-bmc-qcom-dc-scm-v1.dts and change 'nuvia' to 'qcom' as its vendor name in the file. Fixes: 7b46aa7c008d ("ARM: dts: aspeed: Add Nuvia DC-SCM BMC") Signed-off-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com> Signed-off-by: Joel Stanley <joel@jms.id.au> Link: https://lore.kernel.org/r/20220523175640.60155-1-quic_jaehyoo@quicinc.com Link: https://lore.kernel.org/r/20220624070511.4070659-1-joel@jms.id.au' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-24arm: mach-spear: Add missing of_node_put() in time.cLiang He1-2/+6
In spear_setup_of_timer(), of_find_matching_node() will return a node pointer with refcount incrementd. We should use of_node_put() in each fail path or when it is not used anymore. Signed-off-by: Liang He <windhl@126.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20220616093027.3984903-1-windhl@126.com' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-24ARM: cns3xxx: Fix refcount leak in cns3xxx_initMiaoqian Lin1-0/+2
of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak. Fixes: 415f59142d9d ("ARM: cns3xxx: initial DT support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Acked-by: Krzysztof Halasa <khalasa@piap.pl> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-24MAINTAINERS: Update email addressThara Gopinath1-2/+2
Update my email address in the MAINTAINERS file as the current one will stop functioning in a while. Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-24cifs: avoid deadlocks while updating ifaceShyam Prasad N2-15/+33
We use cifs_tcp_ses_lock to protect a lot of things. Not only does it protect the lists of connections, sessions, tree connects, open file lists, etc., we also use it to protect some fields in each of it's entries. In this case, cifs_mark_ses_for_reconnect takes the cifs_tcp_ses_lock to traverse the lists, and then calls cifs_update_iface. However, that can end up calling cifs_put_tcp_session, which picks up the same lock again. Avoid this by taking a ref for the session, drop the lock, and then call update iface. Also, in cifs_update_iface, avoid nested locking of iface_lock and chan_lock, as much as possible. When unavoidable, we need to pick iface_lock first. Signed-off-by: Shyam Prasad N <sprasad@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2022-06-24MAINTAINERS: Add new IOMMU development mailing listJoerg Roedel1-0/+11
The IOMMU mailing list will move from lists.linux-foundation.org to lists.linux.dev. The hard switch of the archive will happen on July 5th, but add the new list now already so that people start using the list when sending patches. After July 5th the old list will disappear. Cc: stable@vger.kernel.org Signed-off-by: Joerg Roedel <jroedel@suse.de> Link: https://lore.kernel.org/r/20220624125139.412-1-joro@8bytes.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
2022-06-24usb: chipidea: udc: check request status before setting device addressXu Yang1-0/+3
The complete() function may be called even though request is not completed. In this case, it's necessary to check request status so as not to set device address wrongly. Fixes: 10775eb17bee ("usb: chipidea: udc: update gadget states according to ch9") cc: <stable@vger.kernel.org> Signed-off-by: Xu Yang <xu.yang_2@nxp.com> Link: https://lore.kernel.org/r/20220623030242.41796-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-24USB: gadget: Fix double-free bug in raw_gadget driverAlan Stern1-6/+7
Re-reading a recently merged fix to the raw_gadget driver showed that it inadvertently introduced a double-free bug in a failure pathway. If raw_ioctl_init() encounters an error after the driver ID number has been allocated, it deallocates the ID number before returning. But when dev_free() runs later on, it will then try to deallocate the ID number a second time. Closely related to this issue is another error in the recent fix: The ID number is stored in the raw_dev structure before the code checks to see whether the structure has already been initialized, in which case the new ID number would overwrite the earlier value. The solution to both bugs is to keep the new ID number in a local variable, and store it in the raw_dev structure only after the check for prior initialization. No errors can occur after that point, so the double-free will never happen. Fixes: f2d8c2606825 ("usb: gadget: Fix non-unique driver names in raw-gadget driver") CC: Andrey Konovalov <andreyknvl@gmail.com> CC: <stable@vger.kernel.org> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/YrMrRw5AyIZghN0v@rowland.harvard.edu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-24KVM: SEV: Init target VMCBs in sev_migrate_fromPeter Gonda3-33/+48
The target VMCBs during an intra-host migration need to correctly setup for running SEV and SEV-ES guests. Add sev_init_vmcb() function and make sev_es_init_vmcb() static. sev_init_vmcb() uses the now private function to init SEV-ES guests VMCBs when needed. Fixes: 0b020f5af092 ("KVM: SEV: Add support for SEV-ES intra host migration") Fixes: b56639318bb2 ("KVM: SEV: Add support for SEV intra host migration") Signed-off-by: Peter Gonda <pgonda@google.com> Cc: Marc Orr <marcorr@google.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Message-Id: <20220623173406.744645-1-pgonda@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-24KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()Mingwei Zhang1-2/+2
Adding the accounting flag when allocating pages within the SEV function, since these memory pages should belong to individual VM. No functional change intended. Signed-off-by: Mingwei Zhang <mizhang@google.com> Message-Id: <20220623171858.2083637-1-mizhang@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-23gpio: mxs: Fix header commentStefan Wahren1-1/+1
This driver is about MXS GPIO support. MXC is a different platform. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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