- 13 May, 2022 5 commits
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Jason A. Donenfeld authored
PA-RISC defines a get_cycles() function, but it does not do the usual `#define get_cycles get_cycles` dance, making it impossible for generic code to see if an arch-specific function was defined. While the get_cycles() ifdef is not currently used, the following timekeeping patch in this series will depend on the macro existing (or not existing) when defining random_get_entropy(). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Helge Deller <deller@gmx.de> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Jason A. Donenfeld authored
S390x defines a get_cycles() function, but it does not do the usual `#define get_cycles get_cycles` dance, making it impossible for generic code to see if an arch-specific function was defined. While the get_cycles() ifdef is not currently used, the following timekeeping patch in this series will depend on the macro existing (or not existing) when defining random_get_entropy(). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Acked-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Jason A. Donenfeld authored
Itanium defines a get_cycles() function, but it does not do the usual `#define get_cycles get_cycles` dance, making it impossible for generic code to see if an arch-specific function was defined. While the get_cycles() ifdef is not currently used, the following timekeeping patch in this series will depend on the macro existing (or not existing) when defining random_get_entropy(). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Jason A. Donenfeld authored
Currently time_init() is called after rand_initialize(), but rand_initialize() makes use of the timer on various platforms, and sometimes this timer needs to be initialized by time_init() first. In order for random_get_entropy() to not return zero during early boot when it's potentially used as an entropy source, reverse the order of these two calls. The block doing random initialization was right before time_init() before, so changing the order shouldn't have any complicated effects. Cc: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Jason A. Donenfeld authored
A semicolon was missing, and the almost-alphabetical-but-not ordering was confusing, so regroup these by category instead. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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- 08 May, 2022 24 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 architecture fixes from Helge Deller: "Some reverts of existing patches, which were necessary because of boot issues due to wrong CPU clock handling and cache issues which led to userspace segfaults with 32bit kernels. Dave has a whole bunch of upcoming cache fixes which I then plan to push in the next merge window. Other than that just small updates and fixes, e.g. defconfig updates, spelling fixes, a clocksource fix, boot topology fixes and a fix for /proc/cpuinfo output to satisfy lscpu" * tag 'for-5.18/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: Revert "parisc: Increase parisc_cache_flush_threshold setting" parisc: Mark cr16 clock unstable on all SMP machines parisc: Fix typos in comments parisc: Change MAX_ADDRESS to become unsigned long long parisc: Merge model and model name into one line in /proc/cpuinfo parisc: Re-enable GENERIC_CPU_DEVICES for !SMP parisc: Update 32- and 64-bit defconfigs parisc: Only list existing CPUs in cpu_possible_mask Revert "parisc: Fix patch code locking and flushing" Revert "parisc: Mark sched_clock unstable only if clocks are not syncronized" Revert "parisc: Mark cr16 CPU clocksource unstable on all SMP machines"
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - Fix the DWARF CFI in our VDSO time functions, allowing gdb to backtrace through them correctly. - Fix a buffer overflow in the papr_scm driver, only triggerable by hypervisor input. - A fix in the recently added QoS handling for VAS (used for communicating with coprocessors). Thanks to Alan Modra, Haren Myneni, Kajol Jain, and Segher Boessenkool. * tag 'powerpc-5.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/papr_scm: Fix buffer overflow issue with CONFIG_FORTIFY_SOURCE powerpc/vdso: Fix incorrect CFI in gettimeofday.S powerpc/pseries/vas: Use QoS credits from the userspace
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fix from Thomas Gleixner: "A fix and an email address update: - Prevent FPU state corruption. The condition in irq_fpu_usable() grants FPU usage when the FPU is not used in the kernel. That's just wrong as it does not take the fpregs_lock()'ed regions into account. If FPU usage happens within such a region from interrupt context, then the FPU state gets corrupted. That's a long standing bug, which got unearthed by the recent changes to the random code. - Josh wants to use his kernel.org email address" * tag 'x86-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Prevent FPU state corruption MAINTAINERS: Update Josh Poimboeuf's email address
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Thomas Gleixner: "A fix and an email address update: - Mark the NMI safe time accessors notrace to prevent tracer recursion when they are selected as trace clocks. - John Stultz has a new email address" * tag 'timers-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Mark NMI safe time accessors as notrace MAINTAINERS: Update email address for John Stultz
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Helge Deller authored
This reverts commit a58e9d09. Triggers segfaults with 32-bit kernels on PA8500 machines. Signed-off-by: Helge Deller <deller@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fix from Thomas Gleixner: "A fix for the threaded interrupt core. A quick sequence of request/free_irq() can result in a hang because the interrupt thread did not reach the thread function and got stopped in the kthread core already. That leaves a state active counter arround which makes a invocation of synchronized_irq() on that interrupt hang forever. Ensure that the thread reached the thread function in request_irq() to prevent that" * tag 'irq-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Synchronize interrupt thread startup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixlet from Thomas Gleixner: "Just a email address update for MAINTAINERS and mailmap" * tag 'locking-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: MAINTAINERS, .mailmap: Update André's email address
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Helge Deller authored
The cr16 interval timers are not synchronized across CPUs, even with just one dual-core CPU. This becomes visible if the machines have a longer uptime. Signed-off-by: Helge Deller <deller@gmx.de>
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Julia Lawall authored
Various spelling mistakes in comments. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Helge Deller <deller@gmx.de>
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Helge Deller authored
Dave noticed that for the 32-bit kernel MAX_ADDRESS should be a ULL, otherwise this define would become 0: MAX_ADDRESS (1UL << MAX_ADDRBITS) It has no real effect on the kernel. Signed-off-by: Helge Deller <deller@gmx.de> Noticed-by: John David Anglin <dave.anglin@bell.net>
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Helge Deller authored
The Linux tool "lscpu" shows the double amount of CPUs if we have "model" and "model name" in two different lines in /proc/cpuinfo. This change combines the model and the model name into one line. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org
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Helge Deller authored
In commit 62773112 ("parisc: Switch from GENERIC_CPU_DEVICES to GENERIC_ARCH_TOPOLOGY") GENERIC_CPU_DEVICES was unconditionally turned off, but this triggers a warning in topology_add_dev(). Turning it back on for the !SMP case avoids this warning. Reported-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Fixes: 62773112 ("parisc: Switch from GENERIC_CPU_DEVICES to GENERIC_ARCH_TOPOLOGY") Signed-off-by: Helge Deller <deller@gmx.de>
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Helge Deller authored
Enable CONFIG_CGROUPS=y on 32-bit defconfig for systemd-support, and enable CONFIG_NAMESPACES and CONFIG_USER_NS. Signed-off-by: Helge Deller <deller@gmx.de>
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Helge Deller authored
The inventory knows which CPUs are in the system, so this bitmask should be in cpu_possible_mask instead of the bitmask based on CONFIG_NR_CPUS. Reset the cpu_possible_mask before scanning the system for CPUs, and mark each existing CPU as possible during initialization of that CPU. This avoids those warnings later on too: register_cpu_capacity_sysctl: too early to get CPU4 device! Signed-off-by: Helge Deller <deller@gmx.de> Noticed-by: John David Anglin <dave.anglin@bell.net>
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Helge Deller authored
This reverts commit a9fe7fa7. Leads to segfaults on 32bit kernel. Signed-off-by: Helge Deller <deller@gmx.de>
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Helge Deller authored
This reverts commit d97180ad. It triggers RCU stalls at boot with a 32-bit kernel. Signed-off-by: Helge Deller <deller@gmx.de> Noticed-by: John David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # v5.15+
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Helge Deller authored
This reverts commit afdb4a5b. It triggers RCU stalls at boot with a 32-bit kernel. Signed-off-by: Helge Deller <deller@gmx.de> Noticed-by: John David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # v5.16+
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull PASID fix from Thomas Gleixner: "A single bugfix for the PASID management code, which freed the PASID too early. The PASID needs to be tied to the mm lifetime, not to the address space lifetime" * tag 'core-urgent-2022-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: mm: Fix PASID use-after-free issue
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "This became slightly larger as I've been off in the last weeks. The majority of changes here is about ASoC, fixes for dmaengine and for addressing issues reported by CI, as well as other device-specific small fixes. Also, fixes for FireWire core stack and the usual HD-audio quirks are included" * tag 'sound-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits) ASoC: SOF: Fix NULL pointer exception in sof_pci_probe callback ASoC: ops: Validate input values in snd_soc_put_volsw_range() ASoC: dmaengine: Restore NULL prepare_slave_config() callback ASoC: atmel: mchp-pdmc: set prepare_slave_config ASoC: max98090: Generate notifications on changes for custom control ASoC: max98090: Reject invalid values in custom control put() ALSA: fireworks: fix wrong return count shorter than expected by 4 bytes ALSA: hda/realtek: Add quirk for Yoga Duet 7 13ITL6 speakers firewire: core: extend card->lock in fw_core_handle_bus_reset firewire: remove check of list iterator against head past the loop body firewire: fix potential uaf in outbound_phy_packet_callback() ASoC: rt9120: Correct the reg 0x09 size to one byte ALSA: hda/realtek: Enable mute/micmute LEDs support for HP Laptops ALSA: hda/realtek: Fix mute led issue on thinkpad with cs35l41 s-codec ASoC: meson: axg-card: Fix nonatomic links ASoC: meson: axg-tdm-interface: Fix formatters in trigger" ASoC: soc-ops: fix error handling ASoC: meson: Fix event generation for G12A tohdmi mux ASoC: meson: Fix event generation for AUI CODEC mux ASoC: meson: Fix event generation for AUI ACODEC mux ...
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Willy Tarreau authored
The last two users were floppy.c and ataflop.c respectively, it was verified that no other drivers makes use of this, so let's remove it. Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org> Cc: Minh Yuan <yuanmingbuaa@gmail.com> Cc: Denis Efremov <efremov@linux.com>, Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Willy Tarreau authored
This is the last driver making use of fd_request->error_count, which is easy to get wrong as was shown in floppy.c. We don't need to keep it there, it can be moved to the atari_floppy_struct instead, so let's do this. Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org> Cc: Minh Yuan <yuanmingbuaa@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Willy Tarreau authored
Interrupt handler bad_flp_intr() may cause a UAF on the recently freed request just to increment the error count. There's no point keeping that one in the request anyway, and since the interrupt handler uses a static pointer to the error which cannot be kept in sync with the pending request, better make it use a static error counter that's reset for each new request. This reset now happens when entering redo_fd_request() for a new request via set_next_request(). One initial concern about a single error counter was that errors on one floppy drive could be reported on another one, but this problem is not real given that the driver uses a single drive at a time, as that PC-compatible controllers also have this limitation by using shared signals. As such the error count is always for the "current" drive. Reported-by: Minh Yuan <yuanmingbuaa@gmail.com> Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org> Tested-by: Denis Efremov <efremov@linux.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Takashi Iwai authored
Merge tag 'asoc-fix-v5.18-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v5.18 A larger collection of fixes than I'd like, mainly because mixer-test is making it's way into the CI systems and turning up issues on a wider range of systems. The most substantial thing though is a revert and an alternative fix for a dmaengine issue where the fix caused disruption for some other configurations, the core fix is backed out an a driver specific thing done instead.
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- 07 May, 2022 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linuxLinus Torvalds authored
Pull gpio fixes from Bartosz Golaszewski: - fix the bounds check for the 'gpio-reserved-ranges' device property in gpiolib-of - drop the assignment of the pwm base number in gpio-mvebu (this was missed by the patch doing it globally for all pwm drivers) - fix the fwnode assignment (use own fwnode, not the parent's one) for the GPIO irqchip in gpio-visconti - update the irq_stat field before checking the trigger field in gpio-pca953x - update GPIO entry in MAINTAINERS * tag 'gpio-fixes-for-v5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: pca953x: fix irq_stat not updated when irq is disabled (irq_mask not set) gpio: visconti: Fix fwnode of GPIO IRQ MAINTAINERS: update the GPIO git tree entry gpio: mvebu: drop pwm base assignment gpiolib: of: fix bounds check for 'gpio-reserved-ranges'
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "A single revert for a change that isn't needed in 5.18, and a small series for s390/dasd" * tag 'block-5.18-2022-05-06' of git://git.kernel.dk/linux-block: s390/dasd: Use kzalloc instead of kmalloc/memset s390/dasd: Fix read inconsistency for ESE DASD devices s390/dasd: Fix read for ESE with blksize < 4k s390/dasd: prevent double format of tracks for ESE devices s390/dasd: fix data corruption for ESE devices Revert "block: release rq qos structures for queue without disk"
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull io_uring fix from Jens Axboe: "Just a single file assignment fix this week" * tag 'io_uring-5.18-2022-05-06' of git://git.kernel.dk/linux-block: io_uring: assign non-fixed early for async work
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- 06 May, 2022 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs fixes from David Sterba: "Regression fixes in zone activation: - move a loop invariant out of the loop to avoid checking space status - properly handle unlimited activation Other fixes: - for subpage, force the free space v2 mount to avoid a warning and make it easy to switch a filesystem on different page size systems - export sysfs status of exclusive operation 'balance paused', so the user space tools can recognize it and allow adding a device with paused balance - fix assertion failure when logging directory key range item" * tag 'for-5.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: sysfs: export the balance paused state of exclusive operation btrfs: fix assertion failure when logging directory key range item btrfs: zoned: activate block group properly on unlimited active zone device btrfs: zoned: move non-changing condition check out of the loop btrfs: force v2 space cache usage for subpage mount
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client fixes from Trond Myklebust: "Highlights include: Stable fixes: - Fix a socket leak when setting up an AF_LOCAL RPC client - Ensure that knfsd connects to the gss-proxy daemon on setup Bugfixes: - Fix a refcount leak when migrating a task off an offlined transport - Don't gratuitously invalidate inode attributes on delegation return - Don't leak sockets in xs_local_connect() - Ensure timely close of disconnected AF_LOCAL sockets" * tag 'nfs-for-5.18-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: Revert "SUNRPC: attempt AF_LOCAL connect on setup" SUNRPC: Ensure gss-proxy connects on setup SUNRPC: Ensure timely close of disconnected AF_LOCAL sockets SUNRPC: Don't leak sockets in xs_local_connect() NFSv4: Don't invalidate inode attributes on delegation return SUNRPC release the transport of a relocated task with an assigned transport
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull kvm fixes from Paolo Bonzini: "x86: - Account for family 17h event renumberings in AMD PMU emulation - Remove CPUID leaf 0xA on AMD processors - Fix lockdep issue with locking all vCPUs - Fix loss of A/D bits in SPTEs - Fix syzkaller issue with invalid guest state" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: VMX: Exit to userspace if vCPU has injected exception and invalid state KVM: SEV: Mark nested locking of vcpu->lock kvm: x86/cpuid: Only provide CPUID leaf 0xA if host has architectural PMU KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_id KVM: x86/mmu: Use atomic XCHG to write TDP MMU SPTEs with volatile bits KVM: x86/mmu: Move shadow-present check out of spte_has_volatile_bits() KVM: x86/mmu: Don't treat fully writable SPTEs as volatile (modulo A/D)
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linuxLinus Torvalds authored
Pull RISC-V fix from Palmer Dabbelt: - A fix to relocate the DTB early in boot, in cases where the bootloader doesn't put the DTB in a region that will end up mapped by the kernel. This manifests as a crash early in boot on a handful of configurations. * tag 'riscv-for-linus-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: RISC-V: relocate DTB if it's outside memory region
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Sean Christopherson authored
Exit to userspace with an emulation error if KVM encounters an injected exception with invalid guest state, in addition to the existing check of bailing if there's a pending exception (KVM doesn't support emulating exceptions except when emulating real mode via vm86). In theory, KVM should never get to such a situation as KVM is supposed to exit to userspace before injecting an exception with invalid guest state. But in practice, userspace can intervene and manually inject an exception and/or stuff registers to force invalid guest state while a previously injected exception is awaiting reinjection. Fixes: fc4fad79 ("KVM: VMX: Reject KVM_RUN if emulation is required with pending exception") Reported-by: syzbot+cfafed3bb76d3e37581b@syzkaller.appspotmail.com Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20220502221850.131873-1-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Peter Gonda authored
svm_vm_migrate_from() uses sev_lock_vcpus_for_migration() to lock all source and target vcpu->locks. Unfortunately there is an 8 subclass limit, so a new subclass cannot be used for each vCPU. Instead maintain ownership of the first vcpu's mutex.dep_map using a role specific subclass: source vs target. Release the other vcpu's mutex.dep_maps. Fixes: b5663931 ("KVM: SEV: Add support for SEV intra host migration") Reported-by: John Sperbeck<jsperbeck@google.com> Suggested-by: David Rientjes <rientjes@google.com> Suggested-by: Sean Christopherson <seanjc@google.com> Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Hillf Danton <hdanton@sina.com> Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Peter Gonda <pgonda@google.com> Message-Id: <20220502165807.529624-1-pgonda@google.com> Signed-off-by: Paolo Bonzini <pbonzini@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: "A few recent regressions in rxe's multicast code, and some old driver bugs: - Error case unwind bug in rxe for rkeys - Dot not call netdev functions under a spinlock in rxe multicast code - Use the proper BH lock type in rxe multicast code - Fix idrma deadlock and crash - Add a missing flush to drain irdma QPs when in error - Fix high userspace latency in irdma during destroy due to synchronize_rcu() - Rare race in siw MPA processing" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/rxe: Change mcg_lock to a _bh lock RDMA/rxe: Do not call dev_mc_add/del() under a spinlock RDMA/siw: Fix a condition race issue in MPA request processing RDMA/irdma: Fix possible crash due to NULL netdev in notifier RDMA/irdma: Reduce iWARP QP destroy time RDMA/irdma: Flush iWARP QP if modified to ERR from RTR state RDMA/rxe: Recheck the MR in when generating a READ reply RDMA/irdma: Fix deadlock in irdma_cleanup_cm_core() RDMA/rxe: Fix "Replace mr by rkey in responder resources"
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds authored
Pull mmc fixes from Ulf Hansson: "MMC core: - Fix initialization for eMMC's HS200/HS400 mode MMC host: - sdhci-msm: Reset GCC_SDCC_BCR register to prevent timeout issues - sunxi-mmc: Fix DMA descriptors allocated above 32 bits" * tag 'mmc-v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: sdhci-msm: Reset GCC_SDCC_BCR register for SDHC mmc: sunxi-mmc: Fix DMA descriptors allocated above 32 bits mmc: core: Set HS clock speed before sending HS CMD13
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