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riscv: Only check online cpus for emulated accesses

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The unaligned access checker only sets valid values for online cpus.
Check for these values on online cpus rather than on present cpus.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Fixes: 71c54b3d16 ("riscv: report misaligned accesses emulation to hwprobe")
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240308-disable_misaligned_probe_config-v9-2-a388770ba0ce@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Charlie Jenkins 2024-03-08 10:25:56 -08:00 • committed by Palmer Dabbelt
parent 5a83e7313e
commit 313130c62c
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1 changed files with 1 additions and 1 deletions
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2
arch/riscv/kernel/traps_misaligned.c
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@ -632,7 +632,7 @@ void unaligned_emulation_finish(void)
* accesses emulated since tasks requesting such control can run on any
* CPU.
*/
for_each_present_cpu(cpu) {
for_each_online_cpu(cpu) {
if (per_cpu(misaligned_access_speed, cpu) !=
RISCV_HWPROBE_MISALIGNED_EMULATED) {
return;