Split the code that check for the uniformity of misaligned accesses performance on all cpus from check_unaligned_access_emulated_all_cpus() to its own function which will be used for delegation check. No functional changes intended.
Signed-off-by: Clément Léger cleger@rivosinc.com Reviewed-by: Andrew Jones ajones@ventanamicro.com --- arch/riscv/kernel/traps_misaligned.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c index e02e9b4b0fc5..410b2e0e0765 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -666,10 +666,20 @@ static int cpu_online_check_unaligned_access_emulated(unsigned int cpu) return 0; }
-bool __init check_unaligned_access_emulated_all_cpus(void) +static bool all_cpus_unaligned_scalar_access_emulated(void) { int cpu;
+ for_each_online_cpu(cpu) + if (per_cpu(misaligned_access_speed, cpu) != + RISCV_HWPROBE_MISALIGNED_SCALAR_EMULATED) + return false; + + return true; +} + +bool __init check_unaligned_access_emulated_all_cpus(void) +{ /* * We can only support PR_UNALIGN controls if all CPUs have misaligned * accesses emulated since tasks requesting such control can run on any @@ -677,10 +687,8 @@ bool __init check_unaligned_access_emulated_all_cpus(void) */ on_each_cpu(check_unaligned_access_emulated, NULL, 1);
- for_each_online_cpu(cpu) - if (per_cpu(misaligned_access_speed, cpu) - != RISCV_HWPROBE_MISALIGNED_SCALAR_EMULATED) - return false; + if (!all_cpus_unaligned_scalar_access_emulated()) + return false;
unaligned_ctl = true; return true;