diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2023-05-24 09:08:19 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-08-02 15:22:18 +0300 |
| commit | f74b2a6c01a0b319070ccee7dea0cc4dad694041 (patch) | |
| tree | 15ee35bed11fd3913065932386d54ff15ad19fcf /arch/powerpc/include/asm/book3s | |
| parent | c3c2e93753484bb4e935ed8205c1f569907f5970 (diff) | |
| download | linux-f74b2a6c01a0b319070ccee7dea0cc4dad694041.tar.xz | |
powerpc/64s: Use dec_mm_active_cpus helper
Avoid open-coded atomic_dec on mm->context.active_cpus and use the
function made for it. Add CONFIG_DEBUG_VM underflow checking on the
counter.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230524060821.148015-3-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/include/asm/book3s')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 570a4960cf17..5cf0e9c953b3 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -261,7 +261,7 @@ static inline void radix_init_pseries(void) { } #define arch_clear_mm_cpumask_cpu(cpu, mm) \ do { \ if (cpumask_test_cpu(cpu, mm_cpumask(mm))) { \ - atomic_dec(&(mm)->context.active_cpus); \ + dec_mm_active_cpus(mm); \ cpumask_clear_cpu(cpu, mm_cpumask(mm)); \ } \ } while (0) |