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* [PATCH] microblaze: Fix _reset() function
@ 2020-02-12  8:43 Michal Simek
  2020-02-25 11:26 ` Michal Simek
  0 siblings, 1 reply; 2+ messages in thread
From: Michal Simek @ 2020-02-12  8:43 UTC (permalink / raw)
  To: linux-kernel, monstr, michal.simek, git
  Cc: Stefan Asserhall, Sebastian Andrzej Siewior, Thomas Gleixner,
	Valentin Schneider

There is a need to disable VM before jump to zero reset vector.

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

 arch/microblaze/kernel/entry.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index f6ded356394a..b179f8f6d287 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -958,6 +958,7 @@ ENTRY(_switch_to)
 	nop
 
 ENTRY(_reset)
+	VM_OFF
 	brai	0; /* Jump to reset vector */
 
 	/* These are compiled and loaded into high memory, then
-- 
2.25.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] microblaze: Fix _reset() function
  2020-02-12  8:43 [PATCH] microblaze: Fix _reset() function Michal Simek
@ 2020-02-25 11:26 ` Michal Simek
  0 siblings, 0 replies; 2+ messages in thread
From: Michal Simek @ 2020-02-25 11:26 UTC (permalink / raw)
  To: Michal Simek, linux-kernel, git
  Cc: Stefan Asserhall, Sebastian Andrzej Siewior, Thomas Gleixner,
	Valentin Schneider


[-- Attachment #1.1: Type: text/plain, Size: 1018 bytes --]

On 12. 02. 20 9:43, Michal Simek wrote:
> There is a need to disable VM before jump to zero reset vector.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> Reviewed-by: Stefan Asserhall <stefan.asserhall@xilinx.com>
> ---
> 
>  arch/microblaze/kernel/entry.S | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
> index f6ded356394a..b179f8f6d287 100644
> --- a/arch/microblaze/kernel/entry.S
> +++ b/arch/microblaze/kernel/entry.S
> @@ -958,6 +958,7 @@ ENTRY(_switch_to)
>  	nop
>  
>  ENTRY(_reset)
> +	VM_OFF
>  	brai	0; /* Jump to reset vector */
>  
>  	/* These are compiled and loaded into high memory, then
> 

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs



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