[PATCH AUTOSEL 5.8 049/132] printk: reduce LOG_BUF_SHIFT range for H8300

Sasha Levin
2020-10-27T00:26:26Z

From: John Ogness <john.ogness@linutronix.de>

[ 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 | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/init/Kconfig b/init/Kconfig
index 0498af567f706..5e68928c131b8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -654,7 +654,8 @@ 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
--
2.25.1