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From: Michal Simek <michal.simek@xilinx.com>
To: linux-kernel@vger.kernel.org, monstr@monstr.eu,
	michal.simek@xilinx.com, git@xilinx.com, arnd@arndb.de
Cc: Stefan Asserhall <stefan.asserhall@xilinx.com>
Subject: [PATCH 06/10] microblaze: Add sync to tlb operations
Date: Wed, 12 Feb 2020 09:58:03 +0100	[thread overview]
Message-ID: <c3d70f467907944e2680678f8aacb6d04def3f20.1581497860.git.michal.simek@xilinx.com> (raw)
In-Reply-To: <cover.1581497860.git.michal.simek@xilinx.com>

From: Stefan Asserhall <stefan.asserhall@xilinx.com>

Do the real sync by using mbar instruction.

Signed-off-by: Stefan Asserhall <stefan.asserhall@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 arch/microblaze/kernel/misc.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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
@@ -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
-- 
2.25.0


  parent reply	other threads:[~2020-02-12  8:58 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-12  8:57 [PATCH 00/10] Hi, Michal Simek
2020-02-12  8:57 ` [PATCH 01/10] microblaze: Convert headers to SPDX license Michal Simek
2020-02-12  8:57 ` [PATCH 02/10] microblaze: Remove architecture tlb.h and use generic one Michal Simek
2020-02-12  8:58 ` [PATCH 03/10] microblaze: Remove early printk setup Michal Simek
2020-02-12  8:58 ` [PATCH 04/10] microblaze: Remove empty headers Michal Simek
2020-02-12  8:58 ` [PATCH 05/10] microblaze: Define microblaze barrier Michal Simek
2020-02-12  8:58 ` Michal Simek [this message]
2020-02-12 13:00   ` [PATCH 06/10] microblaze: Add sync to tlb operations Arnd Bergmann
2020-02-12 13:01     ` Michal Simek
2020-02-12  8:58 ` [PATCH 07/10] microblaze: Add missing irqflags.h header Michal Simek
2020-02-12  8:58 ` [PATCH 08/10] microblaze: Remove unused boot_cpuid variable Michal Simek
2020-02-12  8:58 ` [PATCH 09/10] microblaze: Define percpu sestion in linker file Michal Simek
2020-02-12  8:58 ` [PATCH 10/10] microblaze: Use asm generic cmpxchg.h for !SMP case Michal Simek
2020-02-12 13:02 ` [PATCH 00/10] Hi, Arnd Bergmann
2020-02-12 13:32   ` Michal Simek
2020-02-13 23:47 ` Rob Herring
2020-02-17 14:27   ` Michal Simek
2020-02-25 16:32     ` Rob Herring
2020-02-27  7:31       ` Michal Simek
     [not found]         ` <BYAPR02MB5559708A5A584D05516D77EBA58A0@BYAPR02MB5559.namprd02.prod.outlook.com>
2020-06-01 14:05           ` Rob Herring
2020-02-25 11:34 ` Michal Simek

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