Sean Christopherson 492077668f x86/CPU/AMD: WARN when setting EFER.AUTOIBRS if and only if the WRMSR fails ...

When ensuring EFER.AUTOIBRS is set, WARN only on a negative return code
from msr_set_bit(), as '1' is used to indicate the WRMSR was successful
('0' indicates the MSR bit was already set).

Fixes: 8cc68c9c9e ("x86/CPU/AMD: Make sure EFER[AIBRSE] is set")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/Z1MkNofJjt7Oq0G6@google.com
Closes: https://lore.kernel.org/all/20241205220604.GA2054199@thelio-3990X

2024-12-06 19:57:05 +01:00

..

mce

x86/mce/apei: Handle variable SMCA BERT record size

2024-10-31 10:45:59 +01:00

microcode

x86/microcode/AMD: Flush patch buffer mapping after application

2024-11-25 11:43:21 +01:00

mtrr

x86/cpu: KVM: Add common defines for architectural memory types (PAT, MTRRs, etc.)

2024-08-22 11:25:46 -07:00

resctrl

Merge tag 'x86_cache_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-11-19 12:11:28 -08:00

sgx

Merge tag 'x86_sgx_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-11-22 12:50:00 -08:00

.gitignore

.gitignore: add SPDX License Identifier

2020-03-25 11:50:48 +01:00

acrn.c

x86/traps: Add sysvec_install() to install a system interrupt handler

2024-01-31 22:02:36 +01:00

amd.c

x86/CPU/AMD: WARN when setting EFER.AUTOIBRS if and only if the WRMSR fails

2024-12-06 19:57:05 +01:00

aperfmperf.c

x86/sched: Add basic support for CPU capacity scaling

2024-09-04 13:36:40 +02:00

bugs.c

x86/bugs: Do not use UNTRAIN_RET with IBPB on entry

2024-10-10 10:38:21 +02:00

bus_lock.c

x86/split_lock: Move Split and Bus lock code to a dedicated file

2024-08-08 18:02:15 +02:00

cacheinfo.c

x86/cacheinfo: Delete global num_cache_leaves

2024-12-06 13:13:36 +01:00

centaur.c

x86/cpu: Use common topology code for Centaur and Zhaoxin

2024-02-15 22:07:37 +01:00

common.c

Merge tag 'x86_urgent_for_v6.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-12-01 12:35:37 -08:00

cpu.h

x86/topology/intel: Unlock CPUID before evaluating anything

2024-05-31 20:25:56 +02:00

cpuid-deps.c

x86/msr: Switch between WRMSRNS and WRMSR with the alternatives mechanism

2024-08-25 19:23:00 +02:00

cyrix.c

x86/cyrix: include header linux/isa-dma.h

2022-07-26 14:03:12 -05:00

debugfs.c

x86/cpu: Add CPU type to struct cpuinfo_topology

2024-10-25 20:44:26 +02:00

feat_ctl.c

x86/cpu: Clarify the error message when BIOS does not support SGX

2024-08-25 14:41:19 +02:00

hygon.c

x86/cpu: Use common topology code for HYGON

2024-02-15 22:07:38 +01:00

hypervisor.c

…

intel_epb.c

x86/cpu/intel_epb: Switch to new Intel CPU model defines

2024-04-29 10:31:16 +02:00

intel.c

x86/cpu: Add Lunar Lake to list of CPUs with a broken MONITOR implementation

2024-12-04 12:30:14 -08:00

Makefile

x86/split_lock: Move Split and Bus lock code to a dedicated file

2024-08-08 18:02:15 +02:00

match.c

x86/cpu: Fix x86_match_cpu() to match just X86_VENDOR_INTEL

2024-05-22 11:31:10 +02:00

mkcapflags.sh

x86/cpufeatures: Flip the /proc/cpuinfo appearance logic

2024-06-20 21:04:22 +02:00

mshyperv.c

Merge tag 'x86-timers-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-09-17 15:27:01 +02:00

perfctr-watchdog.c

x86/nmi_watchdog: Fix old-style NMI watchdog regression on old Intel CPUs

2021-06-10 10:04:40 +02:00

powerflags.c

…

proc.c

x86/cpu: Use str_yes_no() helper in show_cpuinfo_misc()

2024-10-26 15:37:15 +02:00

rdrand.c

x86/msr: Prepare for including <linux/percpu.h> into <asm/msr.h>

2024-03-04 12:01:39 +01:00

scattered.c

x86/cpu: Fix formatting of cpuid_bits[] in scattered.c

2024-10-28 13:51:05 +01:00

topology_amd.c

x86/cpu: Add CPU type to struct cpuinfo_topology

2024-10-25 20:44:26 +02:00

topology_common.c

x86/cpu: Add CPU type to struct cpuinfo_topology

2024-10-25 20:44:26 +02:00

topology_ext.c

x86/cpu/topology: Add support for the AMD 0x80000026 leaf

2024-03-22 11:22:14 +01:00

topology.c

x86/cpu/topology: Remove limit of CPUs due to disabled IO/APIC

2024-12-05 14:43:32 +01:00

topology.h

x86/cpu/topology: Retrieve cores per package from topology bitmaps

2024-02-15 22:07:45 +01:00

transmeta.c

…

tsx.c

x86/cpu: Remove redundant extern x86_read_arch_cap_msr()

2023-01-10 12:40:24 +01:00

umc.c

…

umwait.c

x86/umwait: move to use bus_get_dev_root()

2023-03-17 15:29:29 +01:00

vmware.c

x86/vmware: Add TDX hypercall support

2024-06-25 17:15:48 +02:00

vortex.c

x86/CPU: Add support for Vortex CPUs

2021-10-21 15:49:07 +02:00

zhaoxin.c

x86/cpu: Use common topology code for Centaur and Zhaoxin

2024-02-15 22:07:37 +01:00