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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-07-26 16:53:09 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-07-25 06:55:30 +0200 |
| commit | 118bd31bea2cdb7f1dbf22dd9a58e818b5313156 (patch) | |
| tree | 9cf58dc2b2841369698dcca4483f4244b5e58d3b /arch/s390/include/asm/tlbflush.h | |
| parent | s390/mm: tag normal pages vs pages used in page tables (diff) | |
| download | linux-118bd31bea2cdb7f1dbf22dd9a58e818b5313156.tar.xz linux-118bd31bea2cdb7f1dbf22dd9a58e818b5313156.zip | |
s390/mm: add no-dat TLB flush optimization
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/tlbflush.h')
| -rw-r--r-- | arch/s390/include/asm/tlbflush.h | 5 |
1 files changed, 4 insertions, 1 deletions
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 |