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| author | Otavio Salvador <otavio@ossystems.com.br> | 2025-10-01 18:26:47 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-10-01 18:26:47 -0300 |
| commit | 925d4ff9b529f1521bfb34f01c54dfe6d6f21dc9 (patch) | |
| tree | 0bbc6b039eeea3bb41830ab730b53913a88e2419 /arch/arm64/include/asm/tlbflush.h | |
| parent | 49f4ca7b487f42e14af67a5235bd806fb93c27f8 (diff) | |
| parent | 09c71a76accc2f1c288f79beb68939f897c20690 (diff) | |
Merge pull request #744 from angolini/lf-6.12.20-2.0.0_up_6.12.49toradex_6.12-2.0.x-imx
Lf 6.12.20 2.0.0 up 6.12.49
Diffstat (limited to 'arch/arm64/include/asm/tlbflush.h')
| -rw-r--r-- | arch/arm64/include/asm/tlbflush.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h index 8d705ff95a59..9eb76e87641f 100644 --- a/arch/arm64/include/asm/tlbflush.h +++ b/arch/arm64/include/asm/tlbflush.h @@ -346,13 +346,14 @@ static inline void arch_tlbbatch_add_pending(struct arch_tlbflush_unmap_batch *b } /* - * If mprotect/munmap/etc occurs during TLB batched flushing, we need to - * synchronise all the TLBI issued with a DSB to avoid the race mentioned in - * flush_tlb_batched_pending(). + * If mprotect/munmap/etc occurs during TLB batched flushing, we need to ensure + * all the previously issued TLBIs targeting mm have completed. But since we + * can be executing on a remote CPU, a DSB cannot guarantee this like it can + * for arch_tlbbatch_flush(). Our only option is to flush the entire mm. */ static inline void arch_flush_tlb_batched_pending(struct mm_struct *mm) { - dsb(ish); + flush_tlb_mm(mm); } /* |