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SubjectRe: [PATCH 06/10] microblaze: Add sync to tlb operations
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?

Arnd

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