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kernel: Set CONFIG_FRAME_WARN depending on target

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This set the CONFIG_FRAME_WARN option depending on some target settings.
It will use the default from the upstream kernel and not the hard coded
value of 1024 now.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens
2023-05-30 20:21:43 +02:00
committed by Christian Marangi
parent edb3a4162c
commit 16a20512d8
9 changed files with 11 additions and 8 deletions
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11
config/Config-kernel.in
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@@ -397,6 +397,17 @@ config KERNEL_DEBUG_INFO_REDUCED
DEBUG_INFO build and compile times are reduced too.
Only works with newer gcc versions.
config KERNEL_FRAME_WARN
int
range 0 8192
default 1280 if KERNEL_KASAN && !ARCH_64BIT
default 1024 if !ARCH_64BIT
default 2048 if ARCH_64BIT
help
Tell the compiler to warn at build time for stack frames larger than this.
Setting this too low will cause a lot of warnings.
Setting it to 0 disables the warning.
# KERNEL_DEBUG_LL symbols must have the default value set as otherwise
# KConfig wont evaluate them unless KERNEL_EARLY_PRINTK is selected
# which means that buildroot wont override the DEBUG_LL symbols in target