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authorMark Salyzyn <salyzyn@android.com>2015-01-16 16:01:10 -0800
committerTony Luck <tony.luck@intel.com>2015-01-16 16:01:10 -0800
commit9d5438f462abd6398cdb7b3211bdcec271873a3b (patch)
treefeb8e50edd4180710602c0f4d2db9d76559da1f8 /init/do_mounts_md.c
parentf44f96528a8cd4134a4f2c1a9d8c785600aa4888 (diff)
downloadlinux-sh-9d5438f462abd6398cdb7b3211bdcec271873a3b.tar.gz
pstore: Add pmsg - user-space accessible pstore object
A secured user-space accessible pstore object. Writes to /dev/pmsg0 are appended to the buffer, on reboot the persistent contents are available in /sys/fs/pstore/pmsg-ramoops-[ID]. One possible use is syslogd, or other daemon, can write messages, then on reboot provides a means to triage user-space activities leading up to a panic as a companion to the pstore dmesg or console logs. Signed-off-by: Mark Salyzyn <salyzyn@android.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'init/do_mounts_md.c')
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