From: Charlie Jenkins charlie@rivosinc.com
[ Upstream commit 313130c62cf1fc410ac8730b291fd4fde582d032 ]
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-a388... Signed-off-by: Palmer Dabbelt palmer@rivosinc.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/riscv/kernel/traps_misaligned.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index 5255f8134aeff..1ed769c87ae44 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;