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https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
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f20fbdb1b8
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>
v2: switch from snprintf to scnprintf
v3: split out prz_ok checking into PATCH 3/5
replace pmsg_lseek with noop_llseek
use pr_fmt() macro
make write atomic and use a vmalloc'd bounce buffer
v4: use mutex_lock instead of spin_lock.
Change-Id: I82a2a9a989d7583c5fcb65ff520027dc3a034a4c
Git-commit: 53d8e1c7141617e8656420afb44f9536e7cf0519
Git-repo: https://android.googlesource.com/kernel/common.git
Signed-off-by: Ian Maund <imaund@codeaurora.org>
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| .. | ||
| ftrace.c | ||
| inode.c | ||
| internal.h | ||
| Kconfig | ||
| Makefile | ||
| platform.c | ||
| pmsg.c | ||
| ram.c | ||
| ram_core.c | ||