]> www.infradead.org Git - users/dwmw2/linux.git/commit
s390/boot: Introduce ring buffer for boot messages
authorVasily Gorbik <gor@linux.ibm.com>
Wed, 20 Nov 2024 19:10:50 +0000 (20:10 +0100)
committerAlexander Gordeev <agordeev@linux.ibm.com>
Sun, 26 Jan 2025 16:24:00 +0000 (17:24 +0100)
commit816b5feaed13946b06fb7c63b7343fbfd83e520f
treefd7562acfb4851bcfa741ad0463002a60d11bc29
parentbbbaf061237dbf5817a46f2e209a663750277e3b
s390/boot: Introduce ring buffer for boot messages

Collect all boot messages into a ring buffer independent of the current
log level. This allows to retain all boot-time messages, which is
particularly useful for analyzing early crashes.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
arch/s390/boot/printk.c
arch/s390/include/asm/boot_data.h