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 <stable@xxxxxxxxxxxxxxx> know about it.
>From 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 Mon Sep 17 00:00:00 2001
From: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Date: Fri, 29 Jan 2016 16:47:44 +0530
Subject: ARCv2: Check for LL-SC livelock only if LLSC is enabled
From: Vineet Gupta <vgupta@xxxxxxxxxxxx>
commit 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 upstream.
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arc/kernel/setup.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -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 vgupta@xxxxxxxxxxxx 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
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html