Prathyushi Nangia 3461f705cf x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache ...

commit c21b90f77687075115d989e53a8ec5e2bb427ab1 upstream.

Make sure resources are not improperly shared in the op cache and
cause instruction corruption this way.

Signed-off-by: Prathyushi Nangia <prathyushi.nangia@amd.com>
Co-developed-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[uli: backport to 4.19]
Signed-off-by: Ulrich Hecht <uli@kernel.org>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.x90@mail.toshiba>
Reviewed-by: Pavel Machek <pavel@nabladev.com>

2026-05-28 15:34:35 +08:00

..

accounting

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arch

x86/CPU/AMD: Add X86_FEATURE_ZEN1

2026-05-28 15:34:30 +08:00

bpf

bpftool: Fix readlink usage in get_fd_type

2025-07-17 10:07:58 +02:00

build

tools build: Align warning options with perf

2025-11-17 10:36:40 +01:00

cgroup

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firewire

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gpio

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hv

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iio

tools/iio: Add memory allocation failure check for trigger_name

2024-11-08 16:19:17 +01:00

include

tools: move alignment-related macros to new <linux/align.h>

2024-09-04 13:13:06 +02:00

kvm/kvm_stat

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laptop

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leds

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lib

perf subcmd: avoid crash in exclude_cmds when excludes is empty

2025-11-17 10:36:37 +01:00

memory-model

tools/memory-model: Fix bug in lock.cat

2024-08-19 05:32:04 +02:00

nfsd

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objtool

x86/insn: Fix PUSH instruction in x86 instruction decoder opcode map

2024-06-16 13:23:31 +02:00

pci

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pcmcia

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perf

perf tools: Fix split kallsyms DSO counting

2026-01-26 16:51:56 +08:00

power

tools/power cpupower: Reset errno before strtoull()

2026-04-12 13:56:45 +08:00

scripts

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spi

spi: tools: Add include folder to .gitignore

2026-04-09 14:44:44 +08:00

testing

x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache

2026-05-28 15:34:35 +08:00

thermal/tmon

tools/thermal: Fix possible path truncations

2022-08-25 11:15:26 +02:00

time

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usb

usbip: tools: Fix detach_port() invalid port error path

2024-11-08 16:19:23 +01:00

virtio

tools/virtio: fix the vringh test for virtio ring changes

2023-02-22 12:47:19 +01:00

vm

tools/vm/slabinfo-gnuplot: use "grep -E" instead of "egrep"

2022-12-08 11:18:33 +01:00

wmi

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Makefile

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