- Jul 31, 2021
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Junxiao Bi authored
If append-dio feature is enabled, direct-io write and fallocate could run in parallel to extend file size, fallocate used "orig_isize" to record i_size before taking "ip_alloc_sem", when ocfs2_zeroout_partial_cluster() zeroout EOF blocks, i_size maybe already extended by ocfs2_dio_end_io_write(), that will cause valid data zeroed out. Link: https://lkml.kernel.org/r/20210722054923.24389-1-junxiao.bi@oracle.com Fixes: 6bba4471 ("ocfs2: fix data corruption by fallocate") Signed-off-by:
Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by:
Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Gang He <ghe@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Jun Piao <piaojun@huawei.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Matteo Croce authored
STRING_SELFTEST is presented in the "Library routines" menu. Move it in Kernel hacking > Kernel Testing and Coverage > Runtime Testing together with other similar tests found in lib/ --- Runtime Testing <*> Test functions located in the hexdump module at runtime <*> Test string functions (NEW) <*> Test functions located in the string_helpers module at runtime <*> Test strscpy*() family of functions at runtime <*> Test kstrto*() family of functions at runtime <*> Test printf() family of functions at runtime <*> Test scanf() family of functions at runtime Link: https://lkml.kernel.org/r/20210719185158.190371-1-mcroce@linux.microsoft.com Signed-off-by:
Matteo Croce <mcroce@microsoft.com> Cc: Peter Rosin <peda@axentia.se> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- Jul 30, 2021
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull kvm fixes from Paolo Bonzini: "ARM: - Fix MTE shared page detection - Enable selftest's use of PMU registers when asked to s390: - restore 5.13 debugfs names x86: - fix sizes for vcpu-id indexed arrays - fixes for AMD virtualized LAPIC (AVIC) - other small bugfixes Generic: - access tracking performance test - dirty_log_perf_test command line parsing fix - Fix selftest use of obsolete pthread_yield() in favour of sched_yield() - use cpu_relax when halt polling - fixed missing KVM_CLEAR_DIRTY_LOG compat ioctl" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: add missing compat KVM_CLEAR_DIRTY_LOG KVM: use cpu_relax when halt polling KVM: SVM: use vmcb01 in svm_refresh_apicv_exec_ctrl KVM: SVM: tweak warning about enabled AVIC on nested entry KVM: SVM: svm_set_vintr don't warn if AVIC is active but is about to be deactivated KVM: s390: restore old debugfs names KVM: SVM: delay svm_vcpu_init_msrpm after svm->vmcb is initialized KVM: selftests: Introduce access_tracking_perf_test KVM: selftests: Fix missing break in dirty_log_perf_test arg parsing x86/kvm: fix vcpu-id indexed array sizes KVM: x86: Check the right feature bit for MSR_KVM_ASYNC_PF_ACK access docs: virt: kvm: api.rst: replace some characters KVM: Documentation: Fix KVM_CAP_ENFORCE_PV_FEATURE_CPUID name KVM: nSVM: Swap the parameter order for svm_copy_vmrun_state()/svm_copy_vmloadsave_state() KVM: nSVM: Rename nested_svm_vmloadsave() to svm_copy_vmloadsave_state() KVM: arm64: selftests: get-reg-list: actually enable pmu regs in pmu sublist KVM: selftests: change pthread_yield to sched_yield KVM: arm64: Fix detection of shared VMAs on guest fault
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommuLinus Torvalds authored
Pull m68knommu fix from Greg Ungerer: "A single compile time fix" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k/coldfire: change pll var. to clk_pll
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- Jul 29, 2021
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull ext2 and reiserfs fixes from Jan Kara: "A fix for the ext2 conversion to kmap_local() and two reiserfs hardening fixes" * tag 'fixes_for_v5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: reiserfs: check directory items on read from disk fs/ext2: Avoid page_address on pages returned by ext2_get_page reiserfs: add check for root_inode in reiserfs_fill_super
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Linus Torvalds authored
Merge tag 'platform-drivers-x86-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Hans de Goede: "A set of bug-fixes and new hardware ids. Highlights: - amd-pmc fixes - think-lmi fixes - various new hardware-ids" * tag 'platform-drivers-x86-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86: gigabyte-wmi: add support for B550 Aorus Elite V2 platform/x86: intel-hid: add Alder Lake ACPI device ID platform/x86: think-lmi: Fix possible mem-leaks on tlmi_analyze() error-exit platform/x86: think-lmi: Split kobject_init() and kobject_add() calls platform/x86: think-lmi: Move pending_reboot_attr to the attributes sysfs dir platform/x86: amd-pmc: Fix undefined reference to __udivdi3 platform/x86: amd-pmc: Fix missing unlock on error in amd_pmc_send_cmd() platform/x86: wireless-hotkey: remove hardcoded "hp" from the error message platform/x86: amd-pmc: Use return code on suspend platform/x86: amd-pmc: Add new acpi id for future PMC controllers platform/x86: amd-pmc: Add support for ACPI ID AMDI0006 platform/x86: amd-pmc: Add support for logging s0ix counters platform/x86: amd-pmc: Add support for logging SMU metrics platform/x86: amd-pmc: call dump registers only once platform/x86: amd-pmc: Fix SMU firmware reporting mechanism platform/x86: amd-pmc: Fix command completion code platform/x86: think-lmi: Add pending_reboot support
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Tony Luck authored
This file was given GPL-2.0 license. But LGPL-2.1 makes more sense as it needs to be used by libraries outside of the kernel source tree. Signed-off-by:
Tony Luck <tony.luck@intel.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Miklos Szeredi authored
unix_gc() assumes that candidate sockets can never gain an external reference (i.e. be installed into an fd) while the unix_gc_lock is held. Except for MSG_PEEK this is guaranteed by modifying inflight count under the unix_gc_lock. MSG_PEEK does not touch any variable protected by unix_gc_lock (file count is not), yet it needs to be serialized with garbage collection. Do this by locking/unlocking unix_gc_lock: 1) increment file count 2) lock/unlock barrier to make sure incremented file count is visible to garbage collection 3) install file into fd This is a lock barrier (unlike smp_mb()) that ensures that garbage collection is run completely before or completely after the barrier. Cc: <stable@vger.kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Miklos Szeredi <mszeredi@redhat.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- Jul 28, 2021
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Thomas Weißschuh authored
Reported as working here: https://github.com/t-8ch/linux-gigabyte-wmi-driver/issues/1#issuecomment-879398883 Signed-off-by:
Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20210726153630.65213-1-linux@weissschuh.net Signed-off-by:
Hans de Goede <hdegoede@redhat.com>
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Ping Bao authored
Alder Lake has a new ACPI ID for Intel HID event filter device. Signed-off-by:
Ping Bao <ping.a.bao@intel.com> Link: https://lore.kernel.org/r/20210721225615.20575-1-ping.a.bao@intel.com Signed-off-by:
Hans de Goede <hdegoede@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds authored
Pull rdma fixes from Jason Gunthorpe: "Nothing very exciting here, mainly just a bunch of irdma fixes. irdma is a new driver this cycle so it to be expected. - Many more irdma fixups from bots/etc - bnxt_re regression in their counters from a FW upgrade - User triggerable memory leak in rxe" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/irdma: Change returned type of irdma_setup_virt_qp to void RDMA/irdma: Change the returned type of irdma_set_hw_rsrc to void RDMA/irdma: change the returned type of irdma_sc_repost_aeq_entries to void RDMA/irdma: Check vsi pointer before using it RDMA/rxe: Fix memory leak in error path code RDMA/irdma: Change the returned type to void RDMA/irdma: Make spdxcheck.py happy RDMA/irdma: Fix unused variable total_size warning RDMA/bnxt_re: Fix stats counters
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroupLinus Torvalds authored
Pull cgroup fix from Tejun Heo: "Fix leak of filesystem context root which is triggered by LTP. Not too likely to be a problem in non-testing environments" * 'for-5.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup1: fix leaked context root causing sporadic NULL deref in LTP
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Paolo Bonzini authored
The arguments to the KVM_CLEAR_DIRTY_LOG ioctl include a pointer, therefore it needs a compat ioctl implementation. Otherwise, 32-bit userspace fails to invoke it on 64-bit kernels; for x86 it might work fine by chance if the padding is zero, but not on big-endian architectures. Reported-by: Thomas Sattler Cc: stable@vger.kernel.org Fixes: 2a31b9db ("kvm: introduce manual dirty log reprotect") Reviewed-by:
Peter Xu <peterx@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Li RongQing authored
SMT siblings share caches and other hardware, and busy halt polling will degrade its sibling performance if its sibling is working Sean Christopherson suggested as below: "Rather than disallowing halt-polling entirely, on x86 it should be sufficient to simply have the hardware thread yield to its sibling(s) via PAUSE. It probably won't get back all performance, but I would expect it to be close. This compiles on all KVM architectures, and AFAICT the intended usage of cpu_relax() is identical for all architectures." Suggested-by:
Sean Christopherson <seanjc@google.com> Signed-off-by:
Li RongQing <lirongqing@baidu.com> Message-Id: <20210727111247.55510-1-lirongqing@baidu.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Maxim Levitsky authored
Currently when SVM is enabled in guest CPUID, AVIC is inhibited as soon as the guest CPUID is set. AVIC happens to be fully disabled on all vCPUs by the time any guest entry starts (if after migration the entry can be nested). The reason is that currently we disable avic right away on vCPU from which the kvm_request_apicv_update was called and for this case, it happens to be called on all vCPUs (by svm_vcpu_after_set_cpuid). After we stop doing this, AVIC will end up being disabled only when KVM_REQ_APICV_UPDATE is processed which is after we done switching to the nested guest. Fix this by just using vmcb01 in svm_refresh_apicv_exec_ctrl for avic (which is a right thing to do anyway). Signed-off-by:
Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20210713142023.106183-4-mlevitsk@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Maxim Levitsky authored
It is possible that AVIC was requested to be disabled but not yet disabled, e.g if the nested entry is done right after svm_vcpu_after_set_cpuid. Signed-off-by:
Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20210713142023.106183-3-mlevitsk@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Maxim Levitsky authored
It is possible for AVIC inhibit and AVIC active state to be mismatched. Currently we disable AVIC right away on vCPU which started the AVIC inhibit request thus this warning doesn't trigger but at least in theory, if svm_set_vintr is called at the same time on multiple vCPUs, the warning can happen. Signed-off-by:
Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20210713142023.106183-2-mlevitsk@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Christian Borntraeger authored
commit bc9e9e67 ("KVM: debugfs: Reuse binary stats descriptors") did replace the old definitions with the binary ones. While doing that it missed that some files are names different than the counters. This is especially important for kvm_stat which does have special handling for counters named instruction_*. Fixes: commit bc9e9e67 ("KVM: debugfs: Reuse binary stats descriptors") CC: Jing Zhang <jingzhangos@google.com> Signed-off-by:
Christian Borntraeger <borntraeger@de.ibm.com> Message-Id: <20210726150108.5603-1-borntraeger@de.ibm.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Paolo Bonzini authored
Right now, svm_hv_vmcb_dirty_nested_enlightenments has an incorrect dereference of vmcb->control.reserved_sw before the vmcb is checked for being non-NULL. The compiler is usually sinking the dereference after the check; instead of doing this ourselves in the source, ensure that svm_hv_vmcb_dirty_nested_enlightenments is only called with a non-NULL VMCB. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Cc: Vineeth Pillai <viremana@linux.microsoft.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> [Untested for now due to issues with my AMD machine. - Paolo]
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David Matlack authored
This test measures the performance effects of KVM's access tracking. Access tracking is driven by the MMU notifiers test_young, clear_young, and clear_flush_young. These notifiers do not have a direct userspace API, however the clear_young notifier can be triggered by marking a pages as idle in /sys/kernel/mm/page_idle/bitmap. This test leverages that mechanism to enable access tracking on guest memory. To measure performance this test runs a VM with a configurable number of vCPUs that each touch every page in disjoint regions of memory. Performance is measured in the time it takes all vCPUs to finish touching their predefined region. Example invocation: $ ./access_tracking_perf_test -v 8 Testing guest mode: PA-bits:ANY, VA-bits:48, 4K pages guest physical test memory offset: 0xffdfffff000 Populating memory : 1.337752570s Writing to populated memory : 0.010177640s Reading from populated memory : 0.009548239s Mark memory idle : 23.973131748s Writing to idle memory : 0.063584496s Mark memory idle : 24.924652964s Reading from idle memory : 0.062042814s Breaking down the results: * "Populating memory": The time it takes for all vCPUs to perform the first write to every page in their region. * "Writing to populated memory" / "Reading from populated memory": The time it takes for all vCPUs to write and read to every page in their region after it has been populated. This serves as a control for the later results. * "Mark memory idle": The time it takes for every vCPU to mark every page in their region as idle through page_idle. * "Writing to idle memory" / "Reading from idle memory": The time it takes for all vCPUs to write and read to every page in their region after it has been marked idle. This test should be portable across architectures but it is only enabled for x86_64 since that's all I have tested. Reviewed-by:
Ben Gardon <bgardon@google.com> Signed-off-by:
David Matlack <dmatlack@google.com> Message-Id: <20210713220957.3493520-7-dmatlack@google.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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David Matlack authored
There is a missing break statement which causes a fallthrough to the next statement where optarg will be null and a segmentation fault will be generated. Fixes: 9e965bb7 ("KVM: selftests: Add backing src parameter to dirty_log_perf_test") Reviewed-by:
Ben Gardon <bgardon@google.com> Signed-off-by:
David Matlack <dmatlack@google.com> Message-Id: <20210713220957.3493520-6-dmatlack@google.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Juergen Gross authored
KVM_MAX_VCPU_ID is the maximum vcpu-id of a guest, and not the number of vcpu-ids. Fix array indexed by vcpu-id to have KVM_MAX_VCPU_ID+1 elements. Note that this is currently no real problem, as KVM_MAX_VCPU_ID is an odd number, resulting in always enough padding being available at the end of those arrays. Nevertheless this should be fixed in order to avoid rare problems in case someone is using an even number for KVM_MAX_VCPU_ID. Signed-off-by:
Juergen Gross <jgross@suse.com> Message-Id: <20210701154105.23215-2-jgross@suse.com> Cc: stable@vger.kernel.org Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds authored
Pull workqueue fix from Tejun Heo: "Fix a use-after-free in allocation failure handling path" * 'for-5.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: fix UAF in pwq_unbound_release_workfn()
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- Jul 26, 2021
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Vitaly Kuznetsov authored
MSR_KVM_ASYNC_PF_ACK MSR is part of interrupt based asynchronous page fault interface and not the original (deprecated) KVM_FEATURE_ASYNC_PF. This is stated in Documentation/virt/kvm/msr.rst. Fixes: 66570e96 ("kvm: x86: only provide PV features if enabled in guest's CPUID") Signed-off-by:
Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by:
Maxim Levitsky <mlevitsk@redhat.com> Reviewed-by:
Oliver Upton <oupton@google.com> Message-Id: <20210722123018.260035-1-vkuznets@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Mauro Carvalho Chehab authored
The conversion tools used during DocBook/LaTeX/html/Markdown->ReST conversion and some cut-and-pasted text contain some characters that aren't easily reachable on standard keyboards and/or could cause troubles when parsed by the documentation build system. Replace the occurences of the following characters: - U+00a0 (' '): NO-BREAK SPACE as it can cause lines being truncated on PDF output Signed-off-by:
Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Message-Id: <ff70cb42d63f3a1da66af1b21b8d038418ed5189.1626947264.git.mchehab+huawei@kernel.org> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Vitaly Kuznetsov authored
'KVM_CAP_ENFORCE_PV_CPUID' doesn't match the define in include/uapi/linux/kvm.h. Signed-off-by:
Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20210722092628.236474-1-vkuznets@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Vitaly Kuznetsov authored
Make svm_copy_vmrun_state()/svm_copy_vmloadsave_state() interface match 'memcpy(dest, src)' to avoid any confusion. No functional change intended. Suggested-by:
Sean Christopherson <seanjc@google.com> Signed-off-by:
Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20210719090322.625277-1-vkuznets@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Vitaly Kuznetsov authored
To match svm_copy_vmrun_state(), rename nested_svm_vmloadsave() to svm_copy_vmloadsave_state(). Opportunistically add missing braces to 'else' branch in vmload_vmsave_interception(). No functional change intended. Suggested-by:
Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20210716144104.465269-1-vkuznets@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Randy Dunlap authored
DEFINE_CLK() makes the variable name be clk_xyz, so variable 'pll' should instead be 'clk_pll'. In file included from ../arch/m68k/coldfire/m525x.c:12: ../arch/m68k/coldfire/m525x.c:29:30: error: 'pll' undeclared here (not in a function) 29 | CLKDEV_INIT(NULL, "pll.0", &pll), | ^~~ ../include/linux/clkdev.h:30:10: note: in definition of macro 'CLKDEV_INIT' 30 | .clk = c, \ | ^ In file included from ../arch/m68k/coldfire/m525x.c:21: ../arch/m68k/include/asm/mcfclk.h:43:27: warning: 'clk_pll' defined but not used [-Wunused-variable] 43 | static struct clk clk_##clk_ref = { \ | ^~~~ ../arch/m68k/coldfire/m525x.c:25:1: note: in expansion of macro 'DEFINE_CLK' 25 | DEFINE_CLK(pll, "pll.0", MCF_CLK); | ^~~~~~~~~~ Fixes: 63aadb77 ("m68k: coldfire: use clkdev_lookup on most coldfire") Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: linux-m68k@lists.linux-m68k.org Cc: uclinux-dev@uclinux.org Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Greg Ungerer <gerg@linux-m68k.org>
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Linus Torvalds authored
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Linus Torvalds authored
gcc doesn't care, but clang quite reasonably pointed out that the recent commit e9ba16e6 ("smpboot: Mark idle_init() as __always_inlined to work around aggressive compiler un-inlining") did some really odd things: kernel/smpboot.c:50:20: warning: duplicate 'inline' declaration specifier [-Wduplicate-decl-specifier] static inline void __always_inline idle_init(unsigned int cpu) ^ which not only has that duplicate inlining specifier, but the new __always_inline was put in the wrong place of the function definition. We put the storage class specifiers (ie things like "static" and "extern") first, and the type information after that. And while the compiler may not care, we put the inline specifier before the types. So it should be just static __always_inline void idle_init(unsigned int cpu) instead. Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <tor...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - Fix guest to host memory corruption in H_RTAS due to missing nargs check. - Fix guest triggerable host crashes due to bad handling of nested guest TM state. - Fix possible crashes due to incorrect reference counting in kvm_arch_vcpu_ioctl(). - Two commits fixing some regressions in KVM transactional memory handling introduced by the recent rework of the KVM code. Thanks to Nicholas Piggin, Alexey Kardashevskiy, and Michael Neuling. * tag 'powerpc-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: KVM: PPC: Book3S HV Nested: Sanitise H_ENTER_NESTED TM state KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak KVM: PPC: Book3S: Fix CONFIG_TRANSACTIONAL_MEM=n crash KVM: PPC: Book3S HV P9: Fix guest TM support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fixes from Thomas Gleixner: "A small set of timer related fixes: - Plug a race between rearm and process tick in the posix CPU timers code - Make the optimization to avoid recalculation of the next timer interrupt work correctly when there are no timers pending" * tag 'timers-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers: Fix get_next_timer_interrupt() with no timers pending posix-cpu-timers: Fix rearm racing against process tick
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 jump label fix from Thomas Gleixner: "A single fix for jump labels to prevent the compiler from agressive un-inlining which results in a section mismatch" * tag 'locking-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: jump_labels: Mark __jump_label_transform() as __always_inlined to work around aggressive compiler un-inlining
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull EFI fixes from Thomas Gleixner: "A set of EFI fixes: - Prevent memblock and I/O reserved resources to get out of sync when EFI memreserve is in use. - Don't claim a non-existing table is invalid - Don't warn when firmware memory is already reserved correctly" * tag 'efi-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi/mokvar: Reserve the table only if it is in boot services data efi/libstub: Fix the efi_load_initrd function description firmware/efi: Tell memblock about EFI iomem reservations efi/tpm: Differentiate missing and invalid final event log table.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core fix from Thomas Gleixner: "A single update for the boot code to prevent aggressive un-inlining which causes a section mismatch" * tag 'core-urgent-2021-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smpboot: Mark idle_init() as __always_inlined to work around aggressive compiler un-inlining
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git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping fix from Christoph Hellwig: - handle vmalloc addresses in dma_common_{mmap,get_sgtable} (Roman Skakun) * tag 'dma-mapping-5.14-1' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: handle vmalloc addresses in dma_common_{mmap,get_sgtable}
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- Jul 25, 2021
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs fixes from Steve French: "Five cifs/smb3 fixes, including a DFS failover fix, two fallocate fixes, and two trivial coverity cleanups" * tag '5.14-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: fix fallocate when trying to allocate a hole. CIFS: Clarify SMB1 code for POSIX delete file CIFS: Clarify SMB1 code for POSIX Create cifs: support share failover when remounting cifs: only write 64kb at a time when fallocating a small region of a file
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V fixes from Palmer Dabbelt: - properly set the memory size, which fixes 32-bit systems - allow initrd to load anywhere in memory, rather that restricting it to the first 256MiB - fix the 'mem=' parameter on 64-bit systems to properly account for the maximum supported memory now that the kernel is outside the linear map - avoid installing mappings into the last 4KiB of memory, which conflicts with error values - avoid the stack from being freed while it is being walked - a handful of fixes to the new copy to/from user routines * tag 'riscv-for-linus-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: __asm_copy_to-from_user: Fix: Typos in comments riscv: __asm_copy_to-from_user: Remove unnecessary size check riscv: __asm_copy_to-from_user: Fix: fail on RV32 riscv: __asm_copy_to-from_user: Fix: overrun copy riscv: stacktrace: pin the task's stack in get_wchan riscv: Make sure the kernel mapping does not overlap with IS_ERR_VALUE riscv: Make sure the linear mapping does not use the kernel mapping riscv: Fix memory_limit for 64-bit kernel RISC-V: load initrd wherever it fits into memory riscv: Fix 32-bit RISC-V boot failure
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Linus Torvalds authored
Commit 71f64283 ("ACPI: utils: Fix reference counting in for_each_acpi_dev_match()") started doing "acpi_dev_put()" on a pointer that was possibly NULL. That fails miserably, because that helper inline function is not set up to handle that case. Just make acpi_dev_put() silently accept a NULL pointer, rather than calling down to put_device() with an invalid offset off that NULL pointer. Link: https://lore.kernel.org/lkml/a607c149-6bf6-0fd0-0e31-100378504da2@kernel.dk/ Reported-and-tested-by:
Jens Axboe <axboe@kernel.dk> Tested-by:
Daniel Scally <djrscally@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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