]> www.infradead.org Git - users/dwmw2/linux.git/commitdiff
printk: reduce LOG_BUF_SHIFT range for H8300
authorJohn Ogness <john.ogness@linutronix.de>
Wed, 12 Aug 2020 07:31:22 +0000 (09:37 +0206)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Nov 2020 10:51:19 +0000 (11:51 +0100)
[ Upstream commit 550c10d28d21bd82a8bb48debbb27e6ed53262f6 ]

The .bss section for the h8300 is relatively small. A value of
CONFIG_LOG_BUF_SHIFT that is larger than 19 will create a static
printk ringbuffer that is too large. Limit the range appropriately
for the H8300.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200812073122.25412-1-john.ogness@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
init/Kconfig

index d6a0b31b13dc9d0e8d8aa11603238d655f3f0a37..2a5df1cf838c68132ea7de3f03d575aa7baf86a9 100644 (file)
@@ -682,7 +682,8 @@ config IKHEADERS
 
 config LOG_BUF_SHIFT
        int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
-       range 12 25
+       range 12 25 if !H8300
+       range 12 19 if H8300
        default 17
        depends on PRINTK
        help