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Message-ID: <20170911194143.GA17131@ls3530.fritz.box>
Date: Mon, 11 Sep 2017 21:41:43 +0200
From: Helge Deller <deller@....de>
To: Meelis Roos <mroos@...ux.ee>
Cc: linux-parisc@...r.kernel.org,
Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: fs/select.c:991:1: warning: the frame size of 1032 bytes is
larger than 1024 bytes
* Meelis Roos <mroos@...ux.ee>:
> fs/select.c:991:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
> arch/parisc/kernel/inventory.c:359:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=]
Meelis, this patch should fix both issues.
Can you test?
Helge
[PATCH] parisc: Fix too large frame size warnings
The parisc architecture requires larger stack frames than most other
architectures on 32-bit kernels.
Increase the default to 1280 bytes for parisc to avoid warnings in
do_sys_poll() and pat_memconfig() functions.
Signed-off-by: Helge Deller <deller@....de>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b19c491cbc4e..2689b7c50c52 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -219,7 +219,8 @@ config FRAME_WARN
range 0 8192
default 0 if KASAN
default 2048 if GCC_PLUGIN_LATENT_ENTROPY
- default 1024 if !64BIT
+ default 1280 if (!64BIT && PARISC)
+ default 1024 if (!64BIT && !PARISC)
default 2048 if 64BIT
help
Tell gcc to warn at build time for stack frames larger than this.
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