linux-kernel - Re: [PATCH v3 3/9] powerpc/powernv: Rename reusable idle functions to hardware agnostic names

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 24 May 2016 14:00:49 +0530
From:	Gautham R Shenoy <ego@...ux.vnet.ibm.com>
To:	"Shreyas B. Prabhu" <shreyas@...ux.vnet.ibm.com>
Cc:	mpe@...erman.id.au, linuxppc-dev@...ts.ozlabs.org,
	paulus@...abs.org, linux-kernel@...r.kernel.org, mikey@...ling.org,
	ego@...ux.vnet.ibm.com
Subject: Re: [PATCH v3 3/9] powerpc/powernv: Rename reusable idle functions
 to hardware agnostic names

On Mon, May 23, 2016 at 08:48:36PM +0530, Shreyas B. Prabhu wrote:
> Functions like power7_wakeup_loss, power7_wakeup_noloss,
> power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
> also be used by POWER9. Hence rename these functions hardware agnostic
> names.
> 
> Suggested-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com>
> Signed-off-by: Shreyas B. Prabhu <shreyas@...ux.vnet.ibm.com>
> ---
> New in v3
> 
>  arch/powerpc/kernel/exceptions-64s.S    |  6 +++---
>  arch/powerpc/kernel/idle_power_common.S | 16 ++++++++--------
>  arch/powerpc/kvm/book3s_hv_rmhandlers.S |  4 ++--
>  3 files changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
> index 4a74d6a..a0da627 100644
> --- a/arch/powerpc/kernel/exceptions-64s.S
> +++ b/arch/powerpc/kernel/exceptions-64s.S
> @@ -108,7 +108,7 @@ BEGIN_FTR_SECTION
> 
>  	cmpwi	cr3,r13,2
>  	GET_PACA(r13)
> -	bl	power7_restore_hyp_resource
> +	bl	pnv_restore_hyp_resource
> 
>  	li	r0,PNV_THREAD_RUNNING
>  	stb	r0,PACA_THREAD_IDLE_STATE(r13)	/* Clear thread state */
> @@ -128,8 +128,8 @@ BEGIN_FTR_SECTION
>  	/* Return SRR1 from power7_nap() */
>  	mfspr	r3,SPRN_SRR1
>  	blt	cr3,2f
> -	b	power7_wakeup_loss
> -2:	b	power7_wakeup_noloss
> +	b	pnv_wakeup_loss
> +2:	b	pnv_wakeup_noloss
> 
>  9:
>  END_FTR_SECTION_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
> diff --git a/arch/powerpc/kernel/idle_power_common.S b/arch/powerpc/kernel/idle_power_common.S
> index db59613..973c9a1 100644
> --- a/arch/powerpc/kernel/idle_power_common.S
> +++ b/arch/powerpc/kernel/idle_power_common.S

The comment at the beginning of idle_power_common.S still reads

"This file contains the power_save function for Power7 CPUs."

Please update that as well.

Reviewed-by: Gautham R. Shenoy <ego@...ux.vnet.ibm.com>