Commit 512b2203 authored by Stefan Asserhall's avatar Stefan Asserhall Committed by Michal Simek
Browse files

microblaze: Add sync to tlb operations 



Do the real sync by using mbar instruction.

Signed-off-by: default avatarStefan Asserhall <stefan.asserhall@xilinx.com>
Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
parent db79e029

arch/microblaze/kernel/misc.S

+2 −1
Original line number Diff line number Diff line
@@ -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
@@ -58,6 +58,7 @@ _tlbie: 
	blti	r12, _tlbie_1 /* Check if found */

	mts	rtlbhi, r0 /* flush: ensure V is clear */

	nop

	mbar	1 /* sync */

_tlbie_1:

	rtsd	r15, 8

	nop

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