linux-kernel - Re: linux-next: build failure after merge of the kspp tree

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Message-ID: <20240919092752.5a832aaa@canb.auug.org.au>
Date: Thu, 19 Sep 2024 09:27:52 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Lucas De Marchi <lucas.demarchi@...el.com>, Thomas Hellström <thomas.hellstrom@...ux.intel.com>
Cc: Kees Cook <kees@...nel.org>, Riana Tauro <riana.tauro@...el.com>,
 Rodrigo Vivi <rodrigo.vivi@...el.com>, Michal Wajdeczko
 <michal.wajdeczko@...el.com>, DRM XE List <intel-xe@...ts.freedesktop.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next
 Mailing List <linux-next@...r.kernel.org>, Dave Airlie
 <airlied@...hat.com>, DRI <dri-devel@...ts.freedesktop.org>
Subject: Re: linux-next: build failure after merge of the kspp tree

Hi all,

On Mon, 9 Sep 2024 19:59:39 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the kspp tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/gpu/drm/xe/xe_gt_idle.c:56:27: error: redefinition of 'str_up_down'
>    56 | static inline const char *str_up_down(bool v)
>       |                           ^~~~~~~~~~~
> In file included from include/linux/string_helpers.h:7,
>                  from drivers/gpu/drm/xe/xe_assert.h:9,
>                  from drivers/gpu/drm/xe/xe_force_wake.h:9,
>                  from drivers/gpu/drm/xe/xe_gt_idle.c:8:
> include/linux/string_choices.h:62:27: note: previous definition of 'str_up_down' with type 'const char *(bool)' {aka 'const char *(_Bool)'}
>    62 | static inline const char *str_up_down(bool v)
>       |                           ^~~~~~~~~~~
> 
> Caused by commit
> 
>   a98ae7f045b2 ("lib/string_choices: Add str_up_down() helper")
> 
> interacting with commit
> 
>   0914c1e45d3a ("drm/xe/xe_gt_idle: add debugfs entry for powergating info")
> 
> from the drm-xe tree.
> 
> I have applied the following patch for today.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 9 Sep 2024 19:40:17 +1000
> Subject: [PATCH] fix up for "lib/string_choices: Add str_up_down() helper"
> 
> interacting wit commit "drm/xe/xe_gt_idle: add debugfs entry for
> powergating info" from the drm-xe tree.
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/gpu/drm/xe/xe_gt_idle.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_gt_idle.c b/drivers/gpu/drm/xe/xe_gt_idle.c
> index 85a35ed153a3..0f98c1539c64 100644
> --- a/drivers/gpu/drm/xe/xe_gt_idle.c
> +++ b/drivers/gpu/drm/xe/xe_gt_idle.c
> @@ -53,11 +53,6 @@ pc_to_xe(struct xe_guc_pc *pc)
>  	return gt_to_xe(gt);
>  }
>  
> -static inline const char *str_up_down(bool v)
> -{
> -	return v ? "up" : "down";
> -}
> -
>  static const char *gt_idle_state_to_string(enum xe_gt_idle_state state)
>  {
>  	switch (state) {
> -- 
> 2.45.2

This is now needed in the merge between Linus' tree and the drm-xe tree.

-- 
Cheers,
Stephen Rothwell

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