From 118bd31bea2cdb7f1dbf22dd9a58e818b5313156 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Tue, 26 Jul 2016 16:53:09 +0200 Subject: s390/mm: add no-dat TLB flush optimization Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/tlbflush.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'arch/s390/include/asm/tlbflush.h') diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h index 39846100682a..38d82ed60345 100644 --- a/arch/s390/include/asm/tlbflush.h +++ b/arch/s390/include/asm/tlbflush.h @@ -20,10 +20,13 @@ static inline void __tlb_flush_local(void) */ static inline void __tlb_flush_idte(unsigned long asce) { + unsigned long opt; + + opt = IDTE_PTOA; /* Global TLB flush for the mm */ asm volatile( " .insn rrf,0xb98e0000,0,%0,%1,0" - : : "a" (2048), "a" (asce) : "cc"); + : : "a" (opt), "a" (asce) : "cc"); } #ifdef CONFIG_SMP -- cgit v1.2.3-59-g8ed1b