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| author |  Charlie Jenkins <charlie@rivosinc.com>
| 2024-03-08 10:25:56 -0800 |
|---|---|---|
| committer |  Palmer Dabbelt <palmer@rivosinc.com>
| 2024-03-13 07:30:29 -0700 |
| commit | 313130c62cf1fc410ac8730b291fd4fde582d032 (patch) | |
| tree | 3a8025d730d0110d1476c147994267821dfc8e2c | |
| parent | riscv: lib: Introduce has_fast_unaligned_access() (diff) | |
| download | linux-313130c62cf1fc410ac8730b291fd4fde582d032.tar.gz linux-313130c62cf1fc410ac8730b291fd4fde582d032.tar.bz2 linux-313130c62cf1fc410ac8730b291fd4fde582d032.zip | |
riscv: Only check online cpus for emulated accesses
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: 71c54b3d169d ("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>
| -rw-r--r-- | arch/riscv/kernel/traps_misaligned.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index 8ded225e8c5b..c2ed4e689bf9 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -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; |