From: Nathan Chancellor <nathan@kernel.org>
To: Lee Jones <lee@kernel.org>
Cc: arnd@arndb.de, akpm@linux-foundation.org,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch,
ndesaulniers@google.com, trix@redhat.com, harry.wentland@amd.com,
sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com,
alexander.deucher@amd.com, christian.koenig@amd.com,
Xinhui.Pan@amd.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled
Date: Sun, 27 Nov 2022 22:53:12 -0700 [thread overview]
Message-ID: <Y4RMyAoa0+sJS9F3@dev-arch.thelio-3990X> (raw)
In-Reply-To: <20221125120750.3537134-3-lee@kernel.org>
On Fri, Nov 25, 2022 at 12:07:50PM +0000, Lee Jones wrote:
> When enabled, KASAN enlarges function's stack-frames. Pushing quite a
> few over the current threshold. This can mainly be seen on 32-bit
> architectures where the present limit (when !GCC) is a lowly
> 1024-Bytes.
>
> Signed-off-by: Lee Jones <lee@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> lib/Kconfig.debug | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index c3c0b077ade33..82d475168db95 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -399,6 +399,7 @@ config FRAME_WARN
> default 2048 if GCC_PLUGIN_LATENT_ENTROPY
> default 2048 if PARISC
> default 1536 if (!64BIT && XTENSA)
> + default 1280 if KASAN && !64BIT
> default 1024 if !64BIT
> default 2048 if 64BIT
> help
> --
> 2.38.1.584.g0f3c55d4c2-goog
>
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <nathan@kernel.org>
To: Lee Jones <lee@kernel.org>
Cc: llvm@lists.linux.dev, arnd@arndb.de, sunpeng.li@amd.com,
ndesaulniers@google.com, dri-devel@lists.freedesktop.org,
Xinhui.Pan@amd.com, linux-kernel@vger.kernel.org,
amd-gfx@lists.freedesktop.org, tzimmermann@suse.de,
trix@redhat.com, alexander.deucher@amd.com,
akpm@linux-foundation.org, Rodrigo.Siqueira@amd.com,
christian.koenig@amd.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled
Date: Sun, 27 Nov 2022 22:53:12 -0700 [thread overview]
Message-ID: <Y4RMyAoa0+sJS9F3@dev-arch.thelio-3990X> (raw)
In-Reply-To: <20221125120750.3537134-3-lee@kernel.org>
On Fri, Nov 25, 2022 at 12:07:50PM +0000, Lee Jones wrote:
> When enabled, KASAN enlarges function's stack-frames. Pushing quite a
> few over the current threshold. This can mainly be seen on 32-bit
> architectures where the present limit (when !GCC) is a lowly
> 1024-Bytes.
>
> Signed-off-by: Lee Jones <lee@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> lib/Kconfig.debug | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index c3c0b077ade33..82d475168db95 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -399,6 +399,7 @@ config FRAME_WARN
> default 2048 if GCC_PLUGIN_LATENT_ENTROPY
> default 2048 if PARISC
> default 1536 if (!64BIT && XTENSA)
> + default 1280 if KASAN && !64BIT
> default 1024 if !64BIT
> default 2048 if 64BIT
> help
> --
> 2.38.1.584.g0f3c55d4c2-goog
>
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <nathan@kernel.org>
To: Lee Jones <lee@kernel.org>
Cc: llvm@lists.linux.dev, daniel@ffwll.ch, arnd@arndb.de,
sunpeng.li@amd.com, ndesaulniers@google.com,
dri-devel@lists.freedesktop.org, Xinhui.Pan@amd.com,
maarten.lankhorst@linux.intel.com, linux-kernel@vger.kernel.org,
mripard@kernel.org, harry.wentland@amd.com,
amd-gfx@lists.freedesktop.org, tzimmermann@suse.de,
trix@redhat.com, alexander.deucher@amd.com,
akpm@linux-foundation.org, Rodrigo.Siqueira@amd.com,
airlied@gmail.com, christian.koenig@amd.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled
Date: Sun, 27 Nov 2022 22:53:12 -0700 [thread overview]
Message-ID: <Y4RMyAoa0+sJS9F3@dev-arch.thelio-3990X> (raw)
In-Reply-To: <20221125120750.3537134-3-lee@kernel.org>
On Fri, Nov 25, 2022 at 12:07:50PM +0000, Lee Jones wrote:
> When enabled, KASAN enlarges function's stack-frames. Pushing quite a
> few over the current threshold. This can mainly be seen on 32-bit
> architectures where the present limit (when !GCC) is a lowly
> 1024-Bytes.
>
> Signed-off-by: Lee Jones <lee@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> lib/Kconfig.debug | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index c3c0b077ade33..82d475168db95 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -399,6 +399,7 @@ config FRAME_WARN
> default 2048 if GCC_PLUGIN_LATENT_ENTROPY
> default 2048 if PARISC
> default 1536 if (!64BIT && XTENSA)
> + default 1280 if KASAN && !64BIT
> default 1024 if !64BIT
> default 2048 if 64BIT
> help
> --
> 2.38.1.584.g0f3c55d4c2-goog
>
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <nathan@kernel.org>
To: Lee Jones <lee@kernel.org>
Cc: arnd@arndb.de, akpm@linux-foundation.org,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch,
ndesaulniers@google.com, trix@redhat.com, harry.wentland@amd.com,
sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com,
alexander.deucher@amd.com, christian.koenig@amd.com,
Xinhui.Pan@amd.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled
Date: Sun, 27 Nov 2022 22:53:12 -0700 [thread overview]
Message-ID: <Y4RMyAoa0+sJS9F3@dev-arch.thelio-3990X> (raw)
In-Reply-To: <20221125120750.3537134-3-lee@kernel.org>
On Fri, Nov 25, 2022 at 12:07:50PM +0000, Lee Jones wrote:
> When enabled, KASAN enlarges function's stack-frames. Pushing quite a
> few over the current threshold. This can mainly be seen on 32-bit
> architectures where the present limit (when !GCC) is a lowly
> 1024-Bytes.
>
> Signed-off-by: Lee Jones <lee@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> lib/Kconfig.debug | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index c3c0b077ade33..82d475168db95 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -399,6 +399,7 @@ config FRAME_WARN
> default 2048 if GCC_PLUGIN_LATENT_ENTROPY
> default 2048 if PARISC
> default 1536 if (!64BIT && XTENSA)
> + default 1280 if KASAN && !64BIT
> default 1024 if !64BIT
> default 2048 if 64BIT
> help
> --
> 2.38.1.584.g0f3c55d4c2-goog
>
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next prev parent reply other threads:[~2022-11-28 5:53 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-25 12:07 [PATCH v2 0/2] Fix a bunch of allmodconfig errors Lee Jones
2022-11-25 12:07 ` Lee Jones
2022-11-25 12:07 ` Lee Jones
2022-11-25 12:07 ` [PATCH v2 1/2] drm/amdgpu: Temporarily disable broken Clang builds due to blown stack-frame Lee Jones
2022-11-25 12:07 ` Lee Jones
2022-11-25 12:07 ` Lee Jones
2022-11-25 12:11 ` Arnd Bergmann
2022-11-25 12:11 ` Arnd Bergmann
2022-11-25 12:11 ` Arnd Bergmann
2022-11-28 5:52 ` Nathan Chancellor
2022-11-28 5:52 ` Nathan Chancellor
2022-11-28 5:52 ` Nathan Chancellor
2022-11-28 5:52 ` Nathan Chancellor
2022-11-25 12:07 ` [PATCH v2 2/2] Kconfig.debug: Provide a little extra FRAME_WARN leeway when KASAN is enabled Lee Jones
2022-11-25 12:07 ` Lee Jones
2022-11-25 12:07 ` Lee Jones
2022-11-25 13:40 ` Lee Jones
2022-11-25 13:40 ` Lee Jones
2022-11-25 13:40 ` Lee Jones
2022-11-25 13:57 ` Arnd Bergmann
2022-11-25 13:57 ` Arnd Bergmann
2022-11-25 13:57 ` Arnd Bergmann
2022-11-28 5:53 ` Nathan Chancellor [this message]
2022-11-28 5:53 ` Nathan Chancellor
2022-11-28 5:53 ` Nathan Chancellor
2022-11-28 5:53 ` Nathan Chancellor
2022-11-26 0:13 ` [PATCH v2 0/2] Fix a bunch of allmodconfig errors Andrew Morton
2022-11-26 0:13 ` Andrew Morton
2022-11-26 0:13 ` Andrew Morton
2022-11-26 0:13 ` Andrew Morton
2022-11-28 7:47 ` Lee Jones
2022-11-28 7:47 ` Lee Jones
2022-11-28 7:47 ` Lee Jones
2022-11-28 7:47 ` Lee Jones
2022-11-26 0:17 ` Andrew Morton
2022-11-26 0:17 ` Andrew Morton
2022-11-26 0:17 ` Andrew Morton
2022-11-26 0:17 ` Andrew Morton
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