John Ogness fdd2c1f4e2 um: synchronize kmsg_dumper ... The kmsg_dumper can be called from any context and CPU, possibly from multiple CPUs simultaneously. Since a static buffer is used to retrieve the kernel logs, this buffer must be protected against simultaneous dumping. Skip dumping if another context is already dumping. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20210303101528.29901-2-john.ogness@linutronix.de		2021-03-08 11:42:37 +01:00
..
skas	um: remove process stub VMA	2021-02-12 21:37:38 +01:00
asm-offsets.c
config.c.in
dyn.lds.S
early_printk.c
exec.c	um: remove process stub VMA	2021-02-12 21:37:38 +01:00
exitcode.c
gmon_syms.c
gprof_syms.c
initrd.c
irq.c	um: time-travel: rework interrupt handling in ext mode	2021-02-12 21:24:27 +01:00
kmsg_dump.c	um: synchronize kmsg_dumper	2021-03-08 11:42:37 +01:00
ksyms.c
maccess.c
Makefile
mem.c
physmem.c
process.c	Revert "um: allocate a guard page to helper threads"	2021-01-26 22:11:38 +01:00
ptrace.c
reboot.c
sigio.c
signal.c
stacktrace.c
syscall.c
sysrq.c
time.c	um: add a pseudo RTC	2021-02-12 21:38:52 +01:00
tlb.c	um: remove process stub VMA	2021-02-12 21:37:38 +01:00
trap.c
um_arch.c	um: remove process stub VMA	2021-02-12 21:37:38 +01:00
umid.c
uml.lds.S
vmlinux.lds.S