- 15 Apr, 2020 16 commits
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Wainer dos Santos Moschetta authored
Introduces the vm_get_fd() function in kvm_util which returns the VM file descriptor. Reviewed-by:
Andrew Jones <drjones@redhat.com> Signed-off-by:
Wainer dos Santos Moschetta <wainersm@redhat.com> Signed-off-by:
Sean Christopherson <sean.j.christopherson@intel.com> Message-Id: <20200410231707.7128-8-sean.j.christopherson@intel.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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Sean Christopherson authored
Add a testcase for deleting memslots while the guest is running. Like the "move" testcase, this is x86_64-only as it relies on MMIO happening when a non-existent memslot is encountered. Signed-off-by:
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Sean Christopherson authored
Use sem_post() and sem_timedwait() to synchronize test stages between the vCPU thread and the main thread instead of using usleep() to wait for the vCPU thread and hoping for the best. Opportunistically refactor the code to make it suck less in general, and to prepare for adding more testcases. Suggested-by:
Peter Xu <peterx@redhat.com> Signed-off-by:
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Sean Christopherson authored
Add variants of GUEST_ASSERT to pass values back to the host, e.g. to help debug/understand a failure when the the cause of the assert isn't necessarily binary. It'd probably be possible to auto-calculate the number of arguments and just have a single GUEST_ASSERT, but there are a limited number of variants and silently eating arguments could lead to subtle code bugs. Signed-off-by:
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Sean Christopherson authored
Add a utility to delete a memory region, it will be used by x86's set_memory_region_test. Signed-off-by:
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Sean Christopherson authored
Replace the KVM selftests' homebrewed linked lists for vCPUs and memory regions with the kernel's 'struct list_head'. Signed-off-by:
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Sean Christopherson authored
The sole caller of vm_vcpu_rm() already has the vcpu pointer, take it directly instead of doing an extra lookup. Signed-off-by:
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Eric Northup authored
Return the host's L2 cache and TLB information for CPUID.0x80000006 instead of zeroing out the entry as part of KVM_GET_SUPPORTED_CPUID. This allows a userspace VMM to feed KVM_GET_SUPPORTED_CPUID's output directly into KVM_SET_CPUID2 (without breaking the guest). Signed-off-by:
Eric Northup (Google) <digitaleric@gmail.com> Signed-off-by:
Jim Mattson <jmattson@google.com> Signed-off-by:
Jon Cargille <jcargill@google.com> Message-Id: <20200415012320.236065-1-jcargill@google.com> Signed-off-by:
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Peter Shier authored
kvm_vcpu_ioctl_get_lapic (implements KVM_GET_LAPIC ioctl) does a bulk copy of the LAPIC registers but must take into account that the one-shot and periodic timer current count register is computed upon reads and is not present in register state. When restoring LAPIC state (e.g. after migration), restart timers from their their current count values at time of save. Note: When a one-shot timer expires, the code in arch/x86/kvm/lapic.c does not zero the value of the LAPIC initial count register (emulating HW behavior). If no other timer is run and pending prior to a subsequent KVM_GET_LAPIC call, the returned register set will include the expired one-shot initial count. On a subsequent KVM_SET_LAPIC call the code will see a non-zero initial count and start a new one-shot timer using the expired timer's count. This is a prior existing bug and will be addressed in a separate patch. Thanks to jmattson@google.com for this find. Signed-off-by:
Peter Shier <pshier@google.com> Reviewed-by:
Wanpeng Li <wanpengli@tencent.com> Message-Id: <20181010225653.238911-1-pshier@google.com> Signed-off-by:
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Colin Ian King authored
The variable r is being assigned with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by:Colin Ian King <colin.king@canonical.com> Message-Id: <20200410113526.13822-1-colin.king@canonical.com> Signed-off-by:
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Uros Bizjak authored
The function returns no value. Cc: Paolo Bonzini <pbonzini@redhat.com> Fixes: 199cd1d7 ("KVM: SVM: Split svm_vcpu_run inline assembly to separate file") Signed-off-by:
Uros Bizjak <ubizjak@gmail.com> Message-Id: <20200409114926.1407442-1-ubizjak@gmail.com> Signed-off-by:
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Uros Bizjak authored
__svm_vcpu_run is a leaf function and does not need a frame pointer. %rbp is also destroyed a few instructions later when guest registers are loaded. Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
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Borislav Petkov authored
Fix: arch/x86/kvm/svm/sev.c: In function ‘sev_pin_memory’: arch/x86/kvm/svm/sev.c:360:3: error: implicit declaration of function ‘release_pages’;\ did you mean ‘reclaim_pages’? [-Werror=implicit-function-declaration] 360 | release_pages(pages, npinned); | ^~~~~~~~~~~~~ | reclaim_pages because svm.c includes pagemap.h but the carved out sev.c needs it too. Triggered by a randconfig build. Fixes: eaf78265 ("KVM: SVM: Move SEV code to separate file") Signed-off-by:Borislav Petkov <bp@suse.de> Message-Id: <20200411160927.27954-1-bp@alien8.de> Signed-off-by:
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Uros Bizjak authored
svm_vcpu_run does not change stack or frame pointer anymore. Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
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Oliver Upton authored
nested_vmx_exit_reflected() returns a bool, not int. As such, refer to the return values as true/false in the comment instead of 1/0. Signed-off-by:
Oliver Upton <oupton@google.com> Message-Id: <20200414221241.134103-1-oupton@google.com> Signed-off-by:
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Oliver Upton authored
According to SDM 26.6.2, it is possible to inject an MTF VM-exit via the VM-entry interruption-information field regardless of the 'monitor trap flag' VM-execution control. KVM appropriately copies the VM-entry interruption-information field from vmcs12 to vmcs02. However, if L1 has not set the 'monitor trap flag' VM-execution control, KVM fails to reflect the subsequent MTF VM-exit into L1. Fix this by consulting the VM-entry interruption-information field of vmcs12 to determine if L1 has injected the MTF VM-exit. If so, reflect the exit, regardless of the 'monitor trap flag' VM-execution control. Fixes: 5f3d45e7 ("kvm/x86: add support for MONITOR_TRAP_FLAG") Signed-off-by:
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- 14 Apr, 2020 5 commits
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Sean Christopherson authored
Return the index of the last valid slot from gfn_to_memslot_approx() if its binary search loop yielded an out-of-bounds index. The index can be out-of-bounds if the specified gfn is less than the base of the lowest memslot (which is also the last valid memslot). Note, the sole caller, kvm_s390_get_cmma(), ensures used_slots is non-zero. Fixes: afdad616 ("KVM: s390: Fix storage attributes migration with memory slots") Cc: stable@vger.kernel.org # 4.19.x: 0774a964: KVM: Fix out of range accesses to memslots Cc: stable@vger.kernel.org # 4.19.x Signed-off-by:
Cornelia Huck <cohuck@redhat.com> Signed-off-by:
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Sean Christopherson authored
Check that the resolved slot (somewhat confusingly named 'start') is a valid/allocated slot before doing the final comparison to see if the specified gfn resides in the associated slot. The resolved slot can be invalid if the binary search loop terminated because the search index was incremented beyond the number of used slots. This bug has existed since the binary search algorithm was introduced, but went unnoticed because KVM statically allocated memory for the max number of slots, i.e. the access would only be truly out-of-bounds if all possible slots were allocated and the specified gfn was less than the base of the lowest memslot. Commit 36947254 ("KVM: Dynamically size memslot array based on number of used slots") eliminated the "all possible slots allocated" condition and made the bug embarrasingly easy to hit. Fixes: 9c1a5d38 ("kvm: optimize GFN to memslot lookup with large slots amount") Reported-by: syzbot+d889b59b2bb87d4047a2@syzkaller.appspotmail.com Cc: stable@vger.kernel.org Signed-off-by:
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Uros Bizjak authored
There is no reason to limit the use of do_machine_check to 64bit targets. MCE handling works for both target familes. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: stable@vger.kernel.org Fixes: a0861c02 ("KVM: Add VT-x machine check support") Signed-off-by:
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Paolo Bonzini authored
Manipulate IF around vmload/vmsave to remove the confusing usage of local_irq_enable where interrupts are actually disabled via GIF. And stuff the RSB immediately without waiting for a RET to avoid Spectre-v2 attacks. Signed-off-by: -
Paolo Bonzini authored
Use svm_sev_enabled() in order to cull all calls to PSP code. Otherwise, compilation fails with undefined symbols if the PSP device driver is compiled as a module and KVM is not. Reported-by:
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- 07 Apr, 2020 8 commits
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Vitaly Kuznetsov authored
If KVM wasn't used at all before we crash the cleanup procedure fails with BUG: unable to handle page fault for address: ffffffffffffffc8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23215067 P4D 23215067 PUD 23217067 PMD 0 Oops: 0000 [#8] SMP PTI CPU: 0 PID: 3542 Comm: bash Kdump: loaded Tainted: G D 5.6.0-rc2+ #823 RIP: 0010:crash_vmclear_local_loaded_vmcss.cold+0x19/0x51 [kvm_intel] The root cause is that loaded_vmcss_on_cpu list is not yet initialized, we initialize it in hardware_enable() but this only happens when we start a VM. Previously, we used to have a bitmap with enabled CPUs and that was preventing [masking] the issue. Initialized loaded_vmcss_on_cpu list earlier, right before we assign crash_vmclear_loaded_vmcss pointer. blocked_vcpu_on_cpu list and blocked_vcpu_on_cpu_lock are moved altogether for consistency. Fixes: 31603d4f ("KVM: VMX: Always VMCLEAR in-use VMCSes during crash with kexec support") Signed-off-by:
Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20200401081348.1345307-1-vkuznets@redhat.com> Reviewed-by:
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Wanpeng Li authored
Except destination shorthand, a destination value 0xffffffff is used to broadcast interrupts, let's also filter out this for single target IPI fastpath. Reviewed-by:
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Paolo Bonzini authored
Merge tag 'kvm-s390-master-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Fixes for vsie (nested hypervisors) - Several fixes for corner cases of nesting. Still relevant as it might crash host or first level guest or temporarily leak memory.
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David Hildenbrand authored
We have to properly retry again by returning -EINVAL immediately in case somebody else instantiated the table concurrently. We missed to add the goto in this function only. The code now matches the other, similar shadowing functions. We are overwriting an existing region 2 table entry. All allocated pages are added to the crst_list to be freed later, so they are not lost forever. However, when unshadowing the region 2 table, we wouldn't trigger unshadowing of the original shadowed region 3 table that we replaced. It would get unshadowed when the original region 3 table is modified. As it's not connected to the page table hierarchy anymore, it's not going to get used anymore. However, for a limited time, this page table will stick around, so it's in some sense a temporary memory leak. Identified by manual code inspection. I don't think this classifies as stable material. Fixes: 998f637c ("s390/mm: avoid races on region/segment/page table shadowing") Signed-off-by:
David Hildenbrand <david@redhat.com> Link: https://lore.kernel.org/r/20200403153050.20569-4-david@redhat.comReviewed-by:
Claudio Imbrenda <imbrenda@linux.ibm.com> Reviewed-by:
Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by:
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David Hildenbrand authored
Whenever we get an -EFAULT, we failed to read in guest 2 physical address space. Such addressing exceptions are reported via a program intercept to the nested hypervisor. We faked the intercept, we have to return to guest 2. Instead, right now we would be returning -EFAULT from the intercept handler, eventually crashing the VM. the correct thing to do is to return 1 as rc == 1 is the internal representation of "we have to go back into g2". Addressing exceptions can only happen if the g2->g3 page tables reference invalid g2 addresses (say, either a table or the final page is not accessible - so something that basically never happens in sane environments. Identified by manual code inspection. Fixes: a3508fbe ("KVM: s390: vsie: initial support for nested virtualization") Cc: <stable@vger.kernel.org> # v4.8+ Signed-off-by:
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David Hildenbrand authored
In case we have a region 1 the following calculation (31 + ((gmap->asce & _ASCE_TYPE_MASK) >> 2)*11) results in 64. As shifts beyond the size are undefined the compiler is free to use instructions like sllg. sllg will only use 6 bits of the shift value (here 64) resulting in no shift at all. That means that ALL addresses will be rejected. The can result in endless loops, e.g. when prefix cannot get mapped. Fixes: 4be130a0 ("s390/mm: add shadow gmap support") Tested-by:
Janosch Frank <frankja@linux.ibm.com> Reported-by:
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Oliver Upton authored
If nested events are blocked, don't clear the mtf_pending flag to avoid missing later delivery of the MTF VM-exit. Fixes: 5ef8acbd ("KVM: nVMX: Emulate MTF when performing instruction emulation") Signed-off-by:
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Uros Bizjak authored
The exception trampoline in .fixup section is not needed, the exception handling code can jump directly to the label in the .text section. Changes since v1: - Fix commit message. Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by:
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- 03 Apr, 2020 5 commits
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Uros Bizjak authored
The compiler (GCC) does not like the situation, where there is inline assembly block that clobbers all available machine registers in the middle of the function. This situation can be found in function svm_vcpu_run in file kvm/svm.c and results in many register spills and fills to/from stack frame. This patch fixes the issue with the same approach as was done for VMX some time ago. The big inline assembly is moved to a separate assembly .S file, taking into account all ABI requirements. There are two main benefits of the above approach: * elimination of several register spills and fills to/from stack frame, and consequently smaller function .text size. The binary size of svm_vcpu_run is lowered from 2019 to 1626 bytes. * more efficient access to a register save array. Currently, register save array is accessed as: 7b00: 48 8b 98 28 02 00 00 mov 0x228(%rax),%rbx 7b07: 48 8b 88 18 02 00 00 mov 0x218(%rax),%rcx 7b0e: 48 8b 90 20 02 00 00 mov 0x220(%rax),%rdx and passing ia pointer to a register array as an argument to a function one gets: 12: 48 8b 48 08 mov 0x8(%rax),%rcx 16: 48 8b 50 10 mov 0x10(%rax),%rdx 1a: 48 8b 58 18 mov 0x18(%rax),%rbx As a result, the total size, considering that the new function size is 229 bytes, gets lowered by 164 bytes. Signed-off-by: -
Joerg Roedel authored
Move the SEV specific parts of svm.c into the new sev.c file. Signed-off-by:
Joerg Roedel <jroedel@suse.de> Message-Id: <20200324094154.32352-5-joro@8bytes.org> Signed-off-by:
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Joerg Roedel authored
Move the AVIC related functions from svm.c to the new avic.c file. Signed-off-by:
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Joerg Roedel authored
Split out the code for the nested SVM implementation and move it to a separate file. Signed-off-by:
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Joerg Roedel authored
Move svm.c and pmu_amd.c into their own arch/x86/kvm/svm/ subdirectory. Signed-off-by:
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- 02 Apr, 2020 6 commits
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull kvm updates from Paolo Bonzini: "ARM: - GICv4.1 support - 32bit host removal PPC: - secure (encrypted) using under the Protected Execution Framework ultravisor s390: - allow disabling GISA (hardware interrupt injection) and protected VMs/ultravisor support. x86: - New dirty bitmap flag that sets all bits in the bitmap when dirty page logging is enabled; this is faster because it doesn't require bulk modification of the page tables. - Initial work on making nested SVM event injection more similar to VMX, and less buggy. - Various cleanups to MMU code (though the big ones and related optimizations were delayed to 5.8). Instead of using cr3 in function names which occasionally means eptp, KVM too has standardized on "pgd". - A large refactoring of CPUID features, which now use an array that parallels the core x86_features. - Some removal of pointer chasing from kvm_x86_ops, which will also be switched to static calls as soon as they are available. - New Tigerlake CPUID features. - More bugfixes, optimizations and cleanups. Generic: - selftests: cleanups, new MMU notifier stress test, steal-time test - CSV output for kvm_stat" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (277 commits) x86/kvm: fix a missing-prototypes "vmread_error" KVM: x86: Fix BUILD_BUG() in __cpuid_entry_get_reg() w/ CONFIG_UBSAN=y KVM: VMX: Add a trampoline to fix VMREAD error handling KVM: SVM: Annotate svm_x86_ops as __initdata KVM: VMX: Annotate vmx_x86_ops as __initdata KVM: x86: Drop __exit from kvm_x86_ops' hardware_unsetup() KVM: x86: Copy kvm_x86_ops by value to eliminate layer of indirection KVM: x86: Set kvm_x86_ops only after ->hardware_setup() completes KVM: VMX: Configure runtime hooks using vmx_x86_ops KVM: VMX: Move hardware_setup() definition below vmx_x86_ops KVM: x86: Move init-only kvm_x86_ops to separate struct KVM: Pass kvm_init()'s opaque param to additional arch funcs s390/gmap: return proper error code on ksm unsharing KVM: selftests: Fix cosmetic copy-paste error in vm_mem_region_move() KVM: Fix out of range accesses to memslots KVM: X86: Micro-optimize IPI fastpath delay KVM: X86: Delay read msr data iff writes ICR MSR KVM: PPC: Book3S HV: Add a capability for enabling secure guests KVM: arm64: GICv4.1: Expose HW-based SGIs in debugfs KVM: arm64: GICv4.1: Allow non-trapping WFI when using HW SGIs ... -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fix from Ingo Molnar: "A single fix addressing Sparse warnings. <asm/bitops.h> is changed non-trivially to avoid the warnings, but generated code is not supposed to be affected" * tag 'x86-urgent-2020-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Fix bitops.h warning with a moved cast
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Linus Torvalds authored
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity Pull integrity updates from Mimi Zohar: "Just a couple of updates for linux-5.7: - A new Kconfig option to enable IMA architecture specific runtime policy rules needed for secure and/or trusted boot, as requested. - Some message cleanup (eg. pr_fmt, additional error messages)" * 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: ima: add a new CONFIG for loading arch-specific policies integrity: Remove duplicate pr_fmt definitions IMA: Add log statements for failure conditions IMA: Update KBUILD_MODNAME for IMA files to ima
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Linus Torvalds authored
Merge updates from Andrew Morton: "A large amount of MM, plenty more to come. Subsystems affected by this patch series: - tools - kthread - kbuild - scripts - ocfs2 - vfs - mm: slub, kmemleak, pagecache, gup, swap, memcg, pagemap, mremap, sparsemem, kasan, pagealloc, vmscan, compaction, mempolicy, hugetlbfs, hugetlb" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (155 commits) include/linux/huge_mm.h: check PageTail in hpage_nr_pages even when !THP mm/hugetlb: fix build failure with HUGETLB_PAGE but not HUGEBTLBFS selftests/vm: fix map_hugetlb length used for testing read and write mm/hugetlb: remove unnecessary memory fetch in PageHeadHuge() mm/hugetlb.c: clean code by removing unnecessary initialization hugetlb_cgroup: add hugetlb_cgroup reservation docs hugetlb_cgroup: add hugetlb_cgroup reservation tests hugetlb: support file_region coalescing again hugetlb_cgroup: support noreserve mappings hugetlb_cgroup: add accounting for shared mappings hugetlb: disable region_add file_region coalescing hugetlb_cgroup: add reservation accounting for private mappings mm/hugetlb_cgroup: fix hugetlb_cgroup migration hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations hugetlb_cgroup: add hugetlb_cgroup reservation counter hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race hugetlbfs: use i_mmap_rwsem for more pmd sharing synchronization mm/memblock.c: remove redundant assignment to variable max_addr mm: mempolicy: require at least one nodeid for MPOL_PREFERRED mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk() ... -
git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs updates from Darrick Wong: "There's a lot going on this cycle with cleanups in the log code, the btree code, and the xattr code. We're tightening of metadata validation and online fsck checking, and introducing a common btree rebuilding library so that we can refactor xfs_repair and introduce online repair in a future cycle. We also fixed a few visible bugs -- most notably there's one in getdents that we introduced in 5.6; and a fix for hangs when disabling quotas. This series has been running fstests & other QA in the background for over a week and looks good so far. I anticipate sending a second pull request next week. That batch will change how xfs interacts with memory reclaim; how the log batches and throttles log items; how hard writes near ENOSPC will try to squeeze more space out of the filesystem; and hopefully fix the last of the umount hangs after a catastrophic failure. That should ease a lot of problems when running at the limits, but for now I'm leaving that in for-next for another week to make sure we got all the subtleties right. Summary: - Fix a hard to trigger race between iclog error checking and log shutdown. - Strengthen the AGF verifier. - Ratelimit some of the more spammy error messages. - Remove the icdinode uid/gid members and just use the ones in the vfs inode. - Hold ILOCK across insert/collapse range. - Clean up the extended attribute interfaces. - Clean up the attr flags mess. - Restore PF_MEMALLOC after exiting xfsaild thread to avoid triggering warnings in the process accounting code. - Remove the flexibly-sized array from struct xfs_agfl to eliminate compiler warnings about unaligned pointers and packed structures. - Various macro and typedef removals. - Stale metadata buffers if we decide they're corrupt outside of a verifier. - Check directory data/block/free block owners. - Fix a UAF when aborting inactivation of a corrupt xattr fork. - Teach online scrub to report failed directory and attr name lookups as a metadata corruption instead of a runtime error. - Avoid potential buffer overflows in sysfs files by using scnprintf. - Fix a regression in getdents lookups due to a mistake in pointer arithmetic. - Refactor btree cursor private data structures to use anonymous unions. - Cleanups in the log unmounting code. - Fix a potential mishandling of ENOMEM errors on multi-block directory buffer lookups. - Fix an incorrect test in the block allocation code. - Cleanups and name prefix shortening in the scrub code. - Introduce btree bulk loading code for online repair and scrub. - Fix a quotaoff log item leak (and hang) when the fs goes down midway through a quotaoff operation. - Remove di_version from the incore inode. - Refactor some of the log shutdown checking code. - Record the forcing of the log unmount records in the log force counters. - Fix a longstanding bug where quotacheck would purge the administrator's default quota grace interval and warning limits. - Reduce memory usage when scrubbing directory and xattr trees. - Don't let fsfreeze race with GETFSMAP or online scrub. - Handle bio_add_page failures more gracefully in xlog_write_iclog" * tag 'xfs-5.7-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (108 commits) xfs: prohibit fs freezing when using empty transactions xfs: shutdown on failure to add page to log bio xfs: directory bestfree check should release buffers xfs: drop all altpath buffers at the end of the sibling check xfs: preserve default grace interval during quotacheck xfs: remove xlog_state_want_sync xfs: move the ioerror check out of xlog_state_clean_iclog xfs: refactor xlog_state_clean_iclog xfs: remove the aborted parameter to xlog_state_done_syncing xfs: simplify log shutdown checking in xfs_log_release_iclog xfs: simplify the xfs_log_release_iclog calling convention xfs: factor out a xlog_wait_on_iclog helper xfs: merge xlog_cil_push into xlog_cil_push_work xfs: remove the di_version field from struct icdinode xfs: simplify a check in xfs_ioctl_setattr_check_cowextsize xfs: simplify di_flags2 inheritance in xfs_ialloc xfs: only check the superblock version for dinode size calculation xfs: add a new xfs_sb_version_has_v3inode helper xfs: fix unmount hang and memory leak on shutdown during quotaoff xfs: factor out quotaoff intent AIL removal and memory free ... -
git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull hibernation fix from Darrick Wong: "Fix a regression where we broke the userspace hibernation driver by disallowing writes to the swap device" * tag 'vfs-5.7-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: hibernate: Allow uswsusp to write to swap
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