- 10 Jan, 2022 4 commits
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Sebastian Andrzej Siewior authored
The kmemcache for ext4_fc_dentry_cachep remains registered after module removal. Destroy ext4_fc_dentry_cachep kmemcache on module removal. Fixes: aa75f4d3 ("ext4: main fast-commit commit path") Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211110134640.lyku5vklvdndw6uk@linutronix.de Link: https://lore.kernel.org/r/YbiK3JetFFl08bd7@linutronix.de Link: https://lore.kernel.org/r/20211223164436.2628390-1-bigeasy@linutronix.deSigned-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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Xin Yin authored
If use FALLOC_FL_KEEP_SIZE to alloc unwritten range at bottom, the inode->i_size will not include the unwritten range. When call ftruncate with fast commit enabled, it will miss to track the unwritten range. Change to trace the full range during ftruncate. Signed-off-by: Xin Yin <yinxin.x@bytedance.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211223032337.5198-3-yinxin.x@bytedance.comSigned-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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Xin Yin authored
For now ,we use ext4_punch_hole() during fast commit replay delete range procedure. But it will be affected by inode->i_size, which may not correct during fast commit replay procedure. The following test will failed. -create & write foo (len 1000K) -falloc FALLOC_FL_ZERO_RANGE foo (range 400K - 600K) -create & fsync bar -falloc FALLOC_FL_PUNCH_HOLE foo (range 300K-500K) -fsync foo -crash before a full commit After the fast_commit reply procedure, the range 400K-500K will not be removed. Because in this case, when calling ext4_punch_hole() the inode->i_size is 0, and it just retruns with doing nothing. Change to use ext4_ext_remove_space() instead of ext4_punch_hole() to remove blocks of inode directly. Signed-off-by: Xin Yin <yinxin.x@bytedance.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211223032337.5198-2-yinxin.x@bytedance.comSigned-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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Xin Yin authored
when call falloc with FALLOC_FL_ZERO_RANGE, to set an range to unwritten, which has been already initialized. If the range is align to blocksize, fast commit will not track range for this change. Also track range for unwritten range in ext4_map_blocks(). Signed-off-by: Xin Yin <yinxin.x@bytedance.com> Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211221022839.374606-1-yinxin.x@bytedance.comSigned-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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- 23 Dec, 2021 7 commits
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Harshad Shirwadkar authored
This series takes care of a couple of TODOs and adds new ones. Update the TODOs section to reflect current state and future work that needs to happen. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211223202140.2061101-5-harshads@google.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Harshad Shirwadkar authored
Move fast commit stats updating logic to a separate function from ext4_fc_commit(). This significantly improves readability of ext4_fc_commit(). Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211223202140.2061101-4-harshads@google.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Harshad Shirwadkar authored
This patch drops ext4_fc_start_ineligible() and ext4_fc_stop_ineligible() APIs. Fast commit ineligible transactions should simply call ext4_fc_mark_ineligible() after starting the trasaction. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211223202140.2061101-3-harshads@google.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Harshad Shirwadkar authored
This patch drops all calls to ext4_fc_start_update() and ext4_fc_stop_update(). To ensure that there are no ongoing journal updates during fast commit, we also make jbd2_fc_begin_commit() lock journal for updates. This way we don't have to maintain two different transaction start stop APIs for fast commit and full commit. This patch doesn't remove the functions altogether since in future we want to have inode level locking for fast commits. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20211223202140.2061101-2-harshads@google.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
i_version mount option is getting lost on remount. This is because the 'i_version' mount option differs from the util-linux mount option 'iversion', but it has exactly the same functionality. We have to specifically notify the vfs that this is what we want by setting appropriate flag in fc->sb_flags. Fix it and as a result we can remove *flags argument from __ext4_remount(); do the same for __ext4_fill_super(). In addition set out to deprecate ext4 specific 'i_version' mount option in favor or 'iversion' by kernel version 5.20. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Fixes: cebe85d5 ("ext4: switch to the new mount api") Link: https://lore.kernel.org/r/20211222104517.11187-2-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
The lazytime and nolazytime mount options were added temporarily back in 2015 with commit a26f4992 ("ext4: add optimization for the lazytime mount option"). It think it has been enough time for the util-linux with lazytime support to get widely used. Remove the mount options. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Link: https://lore.kernel.org/r/20211222104517.11187-1-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Switching to the new mount api introduced inconsistency in how the journalling mode mount option (data=) is handled during a remount. Ext4 always prevented changing the journalling mode during the remount, however the new code always fails the remount when the journalling mode is specified, even if it remains unchanged. Fix it. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reported-by: Heiner Kallweit <hkallweit1@gmail.com> Fixes: cebe85d5 ("ext4: switch to the new mount api") Link: https://lore.kernel.org/r/20211220152657.101599-1-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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- 09 Dec, 2021 13 commits
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Lukas Czerner authored
Remove unused match_table_t, slim down mount_opts structure by removing unnecessary definitions, remove redundant MOPT_ flags and clean up ext4_parse_param() by converting the most of the if/else branching to switch except for the MOPT_SET/MOPT_CEAR handling. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-14-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Add the necessary functions for the fs_context_operations. Convert and rename ext4_remount() and ext4_fill_super() to ext4_get_tree() and ext4_reconfigure() respectively and switch the ext4 to use the new api. One user facing change is the fact that we no longer have access to the entire string of mount options provided by mount(2) since the mount api does not store it anywhere. As a result we can't print the options to the log as we did in the past after the successful mount. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-13-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Change token2str() to use ext4_param_specs instead of tokens so that we can get rid of tokens entirely. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-12-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Clean up return values in handle_mount_opt() and rename the function to ext4_parse_param() Now we can use it in fs_context_operations as .parse_param. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-11-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
The new mount api separates option parsing and super block setup into two distinct steps and so we need to separate the options parsing out of the ext4_fill_super() and ext4_remount(). In order to achieve this we have to create new ext4_fill_super() and ext4_remount() functions which will serve its purpose only until we actually do convert to the new api (as such they are only temporary for this patch series) and move the option parsing out of the old function which will now be renamed to __ext4_fill_super() and __ext4_remount(). There is a small complication in the fact that while the mount option parsing is going to happen before we get to __ext4_fill_super(), the mount options stored in the super block itself needs to be applied first, before the user specified mount options. So with this patch we're going through the following sequence: - parse user provided options (including sb block) - initialize sbi and store s_sb_block if provided - in __ext4_fill_super() - read the super block - parse and apply options specified in s_mount_opts - check and apply user provided options stored in ctx - continue with the regular ext4_fill_super operation It's not exactly the most elegant solution, but if we still want to support s_mount_opts we have to do it in this order. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-10-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
At the parsing phase of mount in the new mount api sb will not be available. We've already removed some uses of sb and sbi, but now we need to get rid of the rest of it. Use ext4_fs_context to store all of the configuration specification so that it can be later applied to the super block and sbi. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-9-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
At the parsing phase of mount in the new mount api sb will not be available so move ext2/3 compatibility check outside handle_mount_opt(). Unfortunately we will lose the ability to show exactly which option is not compatible. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-8-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
At the parsing phase of mount in the new mount api sb will not be available so move quota confiquration out of handle_mount_opt() by noting the quota file names in the ext4_fs_context structure to be able to apply it later. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-7-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
At the parsing phase of mount in the new mount api sb will not be available so allow sb to be NULL in ext4_msg and use that in handle_mount_opt(). Also change return value to appropriate -EINVAL where needed. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-6-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Use the new mount option specifications to parse the options in handle_mount_opt(). However we're still using the old API to get the options string. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-5-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Move option validation out of parse_options() into a separate function ext4_validate_options(). Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-4-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Create an array of fs_parameter_spec called ext4_param_specs to hold the mount option specifications we're going to be using with the new mount api. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-3-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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Lukas Czerner authored
Allow parameter value to be empty by specifying fs_param_can_be_empty flag. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com> Link: https://lore.kernel.org/r/20211027141857.33657-2-lczerner@redhat.comSigned-off-by: Theodore Ts'o <tytso@mit.edu>
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- 05 Dec, 2021 12 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc fixes from Helge Deller: "Some bug and warning fixes: - Fix "make install" to use debians "installkernel" script which is now in /usr/sbin - Fix the bindeb-pkg make target by giving the correct KBUILD_IMAGE file name - Fix compiler warnings by annotating parisc agp init functions with __init - Fix timekeeping on SMP machines with dual-core CPUs - Enable some more config options in the 64-bit defconfig" * tag 'for-5.16/parisc-6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Mark cr16 CPU clocksource unstable on all SMP machines parisc: Fix "make install" on newer debian releases parisc/agp: Annotate parisc agp init functions with __init parisc: Enable sata sil, audit and usb support on 64-bit defconfig parisc: Fix KBUILD_IMAGE for self-extracting kernel
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some small USB fixes for a few reported issues. Included in here are: - xhci fix for a _much_ reported regression. I don't think there's a community distro that has not reported this problem yet :( - new USB quirk addition - cdns3 minor fixes - typec regression fix. All of these have been in linux-next with no reported problems, and the xhci fix has been reported by many to resolve their reported problem" * tag 'usb-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: cdnsp: Fix a NULL pointer dereference in cdnsp_endpoint_init() usb: cdns3: gadget: fix new urb never complete if ep cancel previous requests usb: typec: tcpm: Wait in SNK_DEBOUNCED until disconnect USB: NO_LPM quirk Lenovo Powered USB-C Travel Hub xhci: Fix commad ring abort, write all 64 bits to CRCR register.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are some small TTY and Serial driver fixes for 5.16-rc4 to resolve a number of reported problems. They include: - liteuart serial driver fixes - 8250_pci serial driver fixes for pericom devices - 8250 RTS line control fix while in RS-485 mode - tegra serial driver fix - msm_serial driver fix - pl011 serial driver new id - fsl_lpuart revert of broken change - 8250_bcm7271 serial driver fix - MAINTAINERS file update for rpmsg tty driver that came in 5.16-rc1 - vgacon fix for reported problem All of these, except for the 8250_bcm7271 fix have been in linux-next with no reported problem. The 8250_bcm7271 fix was added to the tree on Friday so no chance to be linux-next yet. But it should be fine as the affected developers submitted it" * tag 'tty-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: 8250_bcm7271: UART errors after resuming from S2 serial: 8250_pci: rewrite pericom_do_set_divisor() serial: 8250_pci: Fix ACCES entries in pci_serial_quirks array serial: 8250: Fix RTS modem control while in rs485 mode Revert "tty: serial: fsl_lpuart: drop earlycon entry for i.MX8QXP" serial: tegra: Change lower tolerance baud rate limit for tegra20 and tegra30 serial: liteuart: relax compile-test dependencies serial: liteuart: fix minor-number leak on probe errors serial: liteuart: fix use-after-free and memleak on unbind serial: liteuart: Fix NULL pointer dereference in ->remove() vgacon: Propagate console boot parameters before calling `vc_resize' tty: serial: msm_serial: Deactivate RX DMA for polling support serial: pl011: Add ACPI SBSA UART match id serial: core: fix transmit-buffer reset and memleak MAINTAINERS: Add rpmsg tty driver maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Borislav Petkov: - Prevent a tick storm when a dedicated timekeeper CPU in nohz_full mode runs for prolonged periods with interrupts disabled and ends up programming the next tick in the past, leading to that storm * tag 'timers_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers/nohz: Last resort update jiffies on nohz_full IRQ entry
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Borislav Petkov: - Properly init uclamp_flags of a runqueue, on first enqueuing - Fix preempt= callback return values - Correct utime/stime resource usage reporting on nohz_full to return the proper times instead of shorter ones * tag 'sched_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/uclamp: Fix rq->uclamp_max not set on first enqueue preempt/dynamic: Fix setup_preempt_mode() return value sched/cputime: Fix getrusage(RUSAGE_THREAD) with nohz_full
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Borislav Petkov: - Fix a couple of SWAPGS fencing issues in the x86 entry code - Use the proper operand types in __{get,put}_user() to prevent truncation in SEV-ES string io - Make sure the kernel mappings are present in trampoline_pgd in order to prevent any potential accesses to unmapped memory after switching to it - Fix a trivial list corruption in objtool's pv_ops validation - Disable the clocksource watchdog for TSC on platforms which claim that the TSC is constant, doesn't stop in sleep states, CPU has TSC adjust and the number of sockets of the platform are max 2, to prevent erroneous markings of the TSC as unstable. - Make sure TSC adjust is always checked not only when going idle - Prevent a stack leak by initializing struct _fpx_sw_bytes properly in the FPU code - Fix INTEL_FAM6_RAPTORLAKE define naming to adhere to the convention * tag 'x86_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/xen: Add xenpv_restore_regs_and_return_to_usermode() x86/entry: Use the correct fence macro after swapgs in kernel CR3 x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry() x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword x86/64/mm: Map all kernel memory into trampoline_pgd objtool: Fix pv_ops noinstr validation x86/tsc: Disable clocksource watchdog for TSC on qualified platorms x86/tsc: Add a timer to make sure TSC_adjust is always checked x86/fpu/signal: Initialize sw_bytes in save_xstate_epilog() x86/cpu: Drop spurious underscore from RAPTOR_LAKE #define
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull more kvm fixes from Paolo Bonzini: - Static analysis fix - New SEV-ES protocol for communicating invalid VMGEXIT requests - Ensure APICv is considered inactive if there is no APIC - Fix reserved bits for AMD PerfEvtSeln register * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SVM: Do not terminate SEV-ES guests on GHCB validation failure KVM: SEV: Fall back to vmalloc for SEV-ES scratch area if necessary KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails KVM: x86/mmu: Retry page fault if root is invalidated by memslot update KVM: VMX: Set failure code in prepare_vmcs02() KVM: ensure APICv is considered inactive if there is no APIC KVM: x86/pmu: Fix reserved bits for AMD PerfEvtSeln register
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Tom Lendacky authored
Currently, an SEV-ES guest is terminated if the validation of the VMGEXIT exit code or exit parameters fails. The VMGEXIT instruction can be issued from userspace, even though userspace (likely) can't update the GHCB. To prevent userspace from being able to kill the guest, return an error through the GHCB when validation fails rather than terminating the guest. For cases where the GHCB can't be updated (e.g. the GHCB can't be mapped, etc.), just return back to the guest. The new error codes are documented in the lasest update to the GHCB specification. Fixes: 291bd20d ("KVM: SVM: Add initial support for a VMGEXIT VMEXIT") Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Message-Id: <b57280b5562893e2616257ac9c2d4525a9aeeb42.1638471124.git.thomas.lendacky@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Sean Christopherson authored
Use kvzalloc() to allocate KVM's buffer for SEV-ES's GHCB scratch area so that KVM falls back to __vmalloc() if physically contiguous memory isn't available. The buffer is purely a KVM software construct, i.e. there's no need for it to be physically contiguous. Cc: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20211109222350.2266045-3-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Sean Christopherson authored
Return appropriate error codes if setting up the GHCB scratch area for an SEV-ES guest fails. In particular, returning -EINVAL instead of -ENOMEM when allocating the kernel buffer could be confusing as userspace would likely suspect a guest issue. Fixes: 8f423a80 ("KVM: SVM: Support MMIO for an SEV-ES guest") Cc: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20211109222350.2266045-2-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs fix from Darrick Wong: "Remove an unnecessary (and backwards) rename flags check that duplicates a VFS level check" * tag 'xfs-5.16-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: remove incorrect ASSERT in xfs_rename
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- 04 Dec, 2021 4 commits
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs fixes from Steve French: "Three SMB3 multichannel/fscache fixes and a DFS fix. In testing multichannel reconnect scenarios recently various problems with the cifs.ko implementation of fscache were found (e.g. incorrect initialization of fscache cookies in some cases)" * tag '5.16-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: avoid use of dstaddr as key for fscache client cookie cifs: add server conn_id to fscache client cookie cifs: wait for tcon resource_id before getting fscache super cifs: fix missed refcounting of ipc tcon
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Helge Deller authored
In commit c8c37359 ("parisc: Enhance detection of synchronous cr16 clocksources") I assumed that CPUs on the same physical core are syncronous. While booting up the kernel on two different C8000 machines, one with a dual-core PA8800 and one with a dual-core PA8900 CPU, this turned out to be wrong. The symptom was that I saw a jump in the internal clocks printed to the syslog and strange overall behaviour. On machines which have 4 cores (2 dual-cores) the problem isn't visible, because the current logic already marked the cr16 clocksource unstable in this case. This patch now marks the cr16 interval timers unstable if we have more than one CPU in the system, and it fixes this issue. Fixes: c8c37359 ("parisc: Enhance detection of synchronous cr16 clocksources") Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # v5.15+
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Helge Deller authored
On newer debian releases the debian-provided "installkernel" script is installed in /usr/sbin. Fix the kernel install.sh script to look for the script in this directory as well. Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # v3.13+
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fix from Jens Axboe: "A single fix for repeated printk spam from loop" * tag 'block-5.16-2021-12-03' of git://git.kernel.dk/linux-block: loop: Use pr_warn_once() for loop_control_remove() warning
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