linux-kernel - [PATCH] xtensa: Increase size of gcc stack frame check

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Date:   Sat, 11 Sep 2021 19:52:35 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-xtensa@...ux-xtensa.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH] xtensa: Increase size of gcc stack frame check

xtensa frame size is larger than the frame size for almost all other
architectures. This results in more than 50 "the frame size of <n> is
larger than 1024 bytes" errors when trying to build xtensa:allmodconfig.

Increase frame size for xtensa to 1536 bytes to avoid compile errors
due to frame size limits.

Cc: Chris Zankel <chris@...kel.net>
Cc: Max Filippov <jcmvbkbc@...il.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 lib/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ed4a31e34098..afad11e57d6b 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -346,7 +346,7 @@ config FRAME_WARN
 	int "Warn for stack frames larger than"
 	range 0 8192
 	default 2048 if GCC_PLUGIN_LATENT_ENTROPY
-	default 1536 if (!64BIT && PARISC)
+	default 1536 if (!64BIT && (PARISC || XTENSA))
 	default 1024 if (!64BIT && !PARISC)
 	default 2048 if 64BIT
 	help
-- 
2.33.0