Messages in this thread Patch in this message | | | Date | Wed, 19 Sep 2018 10:50:17 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 1/8] x86/mm/cpa: Use flush_tlb_all() |
| |
Instead of open-coding it..
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/x86/mm/pageattr.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-)
--- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -285,16 +285,6 @@ static void cpa_flush_all(unsigned long on_each_cpu(__cpa_flush_all, (void *) cache, 1); } -static void __cpa_flush_range(void *arg) -{ - /* - * We could optimize that further and do individual per page - * tlb invalidates for a low number of pages. Caveat: we must - * flush the high aliases on 64bit as well. - */ - __flush_tlb_all(); -} - static void cpa_flush_range(unsigned long start, int numpages, int cache) { unsigned int i, level; @@ -303,7 +293,7 @@ static void cpa_flush_range(unsigned lon BUG_ON(irqs_disabled() && !early_boot_irqs_disabled); WARN_ON(PAGE_ALIGN(start) != start); - on_each_cpu(__cpa_flush_range, NULL, 1); + flush_tlb_all(); if (!cache) return;
| |