diff options
| author | Sean Christopherson <[email protected]> | 2024-12-06 08:20:06 -0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2024-12-06 19:57:05 +0100 |
| commit | 492077668fb453b8b16c842fcf3fafc2ebc190e9 (patch) | |
| tree | aec53d55ce1153f7b75692287694f84d29a8fbf5 /tools/testing/selftests/bpf/prog_tests/prog_array_init.c | |
| parent | 9677be09e5e4fbe48aeccb06ae3063c5eba331c3 (diff) | |
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: 8cc68c9c9e92 ("x86/CPU/AMD: Make sure EFER[AIBRSE] is set")
Reported-by: Nathan Chancellor <[email protected]>
Signed-off-by: Sean Christopherson <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Closes: https://lore.kernel.org/all/20241205220604.GA2054199@thelio-3990X
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/prog_array_init.c')
0 files changed, 0 insertions, 0 deletions