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| author | Paul Burton <paul.burton@mips.com> | 2019-02-02 02:43:19 +0100 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-02-04 19:56:18 +0100 |
| commit | c9b2a3dc240c444b4f7b556e2cce756828720856 (patch) | |
| tree | 973ec0ea4be746b49f52f03c1f7d8244bcd0cb80 /arch/mips/mm/c-r4k.c | |
| parent | MIPS: mm: Avoid HTW stop/start when dropping an inactive mm (diff) | |
| download | linux-c9b2a3dc240c444b4f7b556e2cce756828720856.tar.xz linux-c9b2a3dc240c444b4f7b556e2cce756828720856.zip | |
MIPS: mm: Consolidate drop_mmu_context() has-ASID checks
If an mm does not have an ASID on the local CPU then drop_mmu_context()
is always redundant, since there's no context to "drop". Various callers
of drop_mmu_context() check whether the mm has been allocated an ASID
before making the call. Move that check into drop_mmu_context() and
remove it from callers to simplify them.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Diffstat (limited to 'arch/mips/mm/c-r4k.c')
| -rw-r--r-- | arch/mips/mm/c-r4k.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 1eca2b7e8a28..248d9e8263cf 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -697,10 +697,7 @@ static inline void local_r4k_flush_cache_page(void *args) } if (exec) { if (vaddr && cpu_has_vtag_icache && mm == current->active_mm) { - int cpu = smp_processor_id(); - - if (cpu_context(cpu, mm) != 0) - drop_mmu_context(mm); + drop_mmu_context(mm); } else vaddr ? r4k_blast_icache_page(addr) : r4k_blast_icache_user_page(addr); |