Messages in this thread | | | Subject | Re: [PATCH 06/10] microblaze: Add sync to tlb operations | From | Michal Simek <> | Date | Wed, 12 Feb 2020 14:01:49 +0100 |
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On 12. 02. 20 14:00, Arnd Bergmann wrote: > On Wed, Feb 12, 2020 at 9:58 AM Michal Simek <michal.simek@xilinx.com> wrote: >> diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S >> index 6759af688451..1228a09d8109 100644 >> --- a/arch/microblaze/kernel/misc.S >> +++ b/arch/microblaze/kernel/misc.S >> @@ -39,7 +39,7 @@ _tlbia_1: >> rsubi r11, r12, MICROBLAZE_TLB_SIZE - 1 >> bneid r11, _tlbia_1 /* loop for all entries */ >> addik r12, r12, 1 >> - /* sync */ >> + mbar 1 /* sync */ >> rtsd r15, 8 >> nop >> .size _tlbia, . - _tlbia > > Is there any effect on non-SMP systems?
not - it is just nop.
M
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