Patch "ARCv2: Check for LL-SC livelock only if LLSC is enabled" has been added to the 4.4-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
ARCv2: Check for LL-SC livelock only if LLSC is enabled
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arcv2-check-for-ll-sc-livelock-only-if-llsc-is-enabled.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8Mon Sep 17 00:00:00 2001
From: Vineet Gupta <[email protected]>
Date: Fri, 29 Jan 2016 16:47:44 +0530
Subject: ARCv2: Check for LL-SC livelock only if LLSC is enabled
From: Vineet Gupta <[email protected]>
commit 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 upstream.
--- arch/arc/kernel/setup.c | 1 + 1 file changed, 1 insertion(+)
arch/arc/kernel/setup.c +1 -0
@@ -334,6 +334,7 @@ static void arc_chk_core_config(void)panic ("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n" );if (is_isa_arcv2 () &&IS_ENABLED (CONFIG_SMP ) && cpu->isa.atomic && +IS_ENABLED (CONFIG_ARC_HAS_LLSC ) && !IS_ENABLED (CONFIG_ARC_STAR_9000923308 ))panic ("llock/scond livelock workaround missing\n" ); }
Patches currently in stable-queue which might be from [email protected] are
queue-4.4/arcv2-check-for-ll-sc-livelock-only-if-llsc-is-enabled.patch queue-4.4/arcv2-llsc-software-backoff-is-not-needed-starting-hs2.1c.patch