diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2025-04-02 11:45:37 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-04-12 10:05:56 +0200 |
| commit | 4873f494bbe4670f353a9b76ce44e6028c811cbb (patch) | |
| tree | 7e8b49e35db87b6239d8f78e27daeb1914704433 /arch/x86/mm/tlb.c | |
| parent | d376972c9825ac4e8ad74872ee0730a5b4292e44 (diff) | |
x86/mm: Remove 'mm' argument from unuse_temporary_mm() again
Now that unuse_temporary_mm() lives in tlb.c it can access
cpu_tlbstate.loaded_mm.
[ mingo: Merged it on top of x86/alternatives ]
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/r/20250402094540.3586683-5-mingo@kernel.org
Diffstat (limited to 'arch/x86/mm/tlb.c')
| -rw-r--r-- | arch/x86/mm/tlb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index f3da20bfcf0e..38fdcf875d5f 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -1018,14 +1018,14 @@ struct mm_struct *use_temporary_mm(struct mm_struct *temp_mm) return prev_mm; } -void unuse_temporary_mm(struct mm_struct *mm, struct mm_struct *prev_mm) +void unuse_temporary_mm(struct mm_struct *prev_mm) { lockdep_assert_irqs_disabled(); - switch_mm_irqs_off(NULL, prev_mm, current); - /* Clear the cpumask, to indicate no TLB flushing is needed anywhere */ - cpumask_clear_cpu(raw_smp_processor_id(), mm_cpumask(mm)); + cpumask_clear_cpu(smp_processor_id(), mm_cpumask(this_cpu_read(cpu_tlbstate.loaded_mm))); + + switch_mm_irqs_off(NULL, prev_mm, current); /* * Restore the breakpoints if they were disabled before the temporary mm |