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0e33cf955f
linux/drivers/base
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Linus Torvalds 0e33cf955f * Mitigate RFDS vulnerability 
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Merge tag 'rfds-for-linus-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 RFDS mitigation from Dave Hansen:
 "RFDS is a CPU vulnerability that may allow a malicious userspace to
  infer stale register values from kernel space. Kernel registers can
  have all kinds of secrets in them so the mitigation is basically to
  wait until the kernel is about to return to userspace and has user
  values in the registers. At that point there is little chance of
  kernel secrets ending up in the registers and the microarchitectural
  state can be cleared.

  This leverages some recent robustness fixes for the existing MDS
  vulnerability. Both MDS and RFDS use the VERW instruction for
  mitigation"

* tag 'rfds-for-linus-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  KVM/x86: Export RFDS_NO and RFDS_CLEAR to guests
  x86/rfds: Mitigate Register File Data Sampling (RFDS)
  Documentation/hw-vuln: Add documentation for RFDS
  x86/mmio: Disable KVM mitigation when X86_FEATURE_CLEAR_CPU_BUF is set
2024-03-12 09:31:39 -07:00
..
firmware_loader firmware_loader: Expand Firmware upload error codes with firmware invalid error 2023-11-24 18:09:19 -08:00
power RTC for 6.8 2024-01-18 17:25:39 -08:00
regmap regmap: kunit: Ensure that changed bytes are actually different 2024-02-12 13:55:51 +00:00
test drivers: base: test: Make property entry API test modular 2023-10-05 13:11:44 +02:00
arch_numa.c arm64: irq: set the correct node for VMAP stack 2023-12-05 14:26:50 +00:00
arch_topology.c topology: Set capacity_freq_ref in all cases 2024-01-30 16:01:22 -08:00
attribute_container.c driver core: attribute_container: fix W=1 warnings 2021-05-14 13:37:10 +02:00
auxiliary.c driver core: mark remaining local bus_type variables as const 2023-12-21 13:56:30 +01:00
base.h block: make block_class constant 2024-03-06 08:29:20 -07:00
bus.c driver core: bus: constantify subsys_register() calls 2023-12-21 13:55:38 +01:00
cacheinfo.c mm, pcp: reduce lock contention for draining high-order pages 2023-10-25 16:47:10 -07:00
class.c class: fix use-after-free in class_register() 2024-01-04 17:13:04 +01:00
component.c drivers: base: component: fix memory leak with using debugfs_lookup() 2023-02-08 13:33:10 +01:00
container.c driver core: container: make container_subsys const 2023-12-21 13:56:10 +01:00
core.c driver core: fw_devlink: Improve logs for cycle detection 2024-02-02 07:12:33 -08:00
cpu.c x86/rfds: Mitigate Register File Data Sampling (RFDS) 2024-03-11 13:13:48 -07:00
dd.c driver core: Emit reason for pending deferred probe 2023-12-07 11:35:26 +09:00
devcoredump.c devcoredump: Send uevent once devcd is ready 2023-11-28 19:39:18 +00:00
devres.c drivers/base: use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN 2023-06-19 16:19:20 -07:00
devtmpfs.c driver core: clean up the logic to determine which /sys/dev/ directory to use 2023-03-31 17:45:07 +02:00
driver.c driver core: create bus_is_registered() 2023-02-09 10:43:35 +01:00
firmware.c
hypervisor.c
init.c drivers: base: Move cpu_dev_init() after node_dev_init() 2023-12-06 12:41:49 +09:00
isa.c driver core: mark remaining local bus_type variables as const 2023-12-21 13:56:30 +01:00
Kconfig driver core: Add CONFIG_FW_DEVLINK_SYNC_STATE_TIMEOUT 2023-03-28 18:45:59 +02:00
Makefile genirq: Get rid of GENERIC_MSI_IRQ_DOMAIN 2022-11-17 15:15:20 +01:00
map.c driver: base: Prefer unsigned int to bare use of unsigned 2021-07-21 17:30:09 +02:00
memory.c Driver core changes for 6.8-rc1 2024-01-18 09:48:40 -08:00
module.c
node.c cxl for v6.8 2024-01-18 16:22:43 -08:00
physical_location.c driver core: location: Free struct acpi_pld_info *pld before return false 2023-01-20 14:20:30 +01:00
physical_location.h driver core: physical_location.h remove extern from function prototypes 2023-03-24 15:35:48 +01:00
pinctrl.c
platform-msi.c platform-msi: Remove unused interfaces 2024-02-15 17:55:40 +01:00
platform.c driver core: platform: Annotate struct irq_affinity_devres with __counted_by 2023-10-07 18:13:09 +02:00
property.c Driver core changes for 6.8-rc1 2024-01-18 09:48:40 -08:00
soc.c driver core: mark remaining local bus_type variables as const 2023-12-21 13:56:30 +01:00
swnode.c software node: Let args be NULL in software_node_get_reference_args 2023-12-07 11:35:26 +09:00
syscore.c
topology.c drivers/base: fix userspace break from using bin_attributes for cpumap and cpulist 2022-07-15 17:36:33 +02:00
trace.c devres: Enable trace events 2021-06-15 17:14:36 +02:00
trace.h devres: Enable trace events 2021-06-15 17:14:36 +02:00
transport_class.c drivers: base: transport_class: fix resource leak when transport_add_device() fails 2023-01-20 14:22:53 +01:00