From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 16 May 2017 20:42:44 +0200
Subject: extable: Adjust system_state checks
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
Git-commit: dbd000f43e25dcd10f21a3627600e9b4332ede67
Patch-mainline: Queued in subsystem maintainer repository
References: SLE Realtime Extension
To enable smp_processor_id() and might_sleep() debug checks earlier, it's
required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.
Adjust the system_state check in core_kernel_text() to handle the extra
states, i.e. to cover init text up to the point where the system switches
to state RUNNING.
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170516184735.949992741@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Mike Galbraith <mgalbraith@suse.de>
---
kernel/extable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -75,7 +75,7 @@ int notrace core_kernel_text(unsigned lo
addr < (unsigned long)_etext)
return 1;
- if (system_state == SYSTEM_BOOTING &&
+ if (system_state < SYSTEM_RUNNING &&
init_kernel_text(addr))
return 1;
return 0;