[PATCH v4] kasan: remove redundant config option

Andrew Morton akpm at linux-foundation.org
Wed Mar 31 06:36:37 BST 2021


On Mon, 29 Mar 2021 16:54:26 +0200 Andrey Konovalov <andreyknvl at google.com> wrote:

> Looks like my patch "kasan: fix KASAN_STACK dependency for HW_TAGS"
> that was merged into 5.12-rc causes a build time warning:
> 
> include/linux/kasan.h:333:30: warning: 'CONFIG_KASAN_STACK' is not
> defined, evaluates to 0 [-Wundef]
> #if defined(CONFIG_KASAN) && CONFIG_KASAN_STACK
> 
> The fix for it would either be reverting the patch (which would leave
> the initial issue unfixed) or applying this "kasan: remove redundant
> config option" patch.
> 
> Would it be possible to send this patch (with the fix-up you have in
> mm) for the next 5.12-rc?
> 
> Here are the required tags:
> 
> Fixes: d9b571c885a8 ("kasan: fix KASAN_STACK dependency for HW_TAGS")
> Cc: stable at vger.kernel.org

Got it, thanks.  I updated the changelog to mention the warning fix and
moved these ahead for a -rc merge.




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