This is a note to let you know that I've just added the patch titled
powerpc/pseries/hvconsole: Fix dropped console output
to the 2.6.32-longterm tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.32.git;a=summary
The filename of the patch is:
powerpc-pseries-hvconsole-fix-dropped-console-output.patch
and it can be found in the queue-2.6.32 subdirectory.
If you, or anyone else, feels it should not be added to the 2.6.32 longterm
tree,
please let <[email protected]> know about it.
>From 51d33021425e1f905beb4208823146f2fb6517da Mon Sep 17 00:00:00 2001
From: Anton Blanchard <[email protected]>
Date: Tue, 5 Jul 2011 21:51:36 +0000
Subject: powerpc/pseries/hvconsole: Fix dropped console output
From: Anton Blanchard <[email protected]>
commit 51d33021425e1f905beb4208823146f2fb6517da upstream.
Return -EAGAIN when we get H_BUSY back from the hypervisor. This
makes the hvc console driver retry, avoiding dropped printks.
Signed-off-by: Anton Blanchard <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/powerpc/platforms/pseries/hvconsole.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/platforms/pseries/hvconsole.c
+++ b/arch/powerpc/platforms/pseries/hvconsole.c
@@ -73,7 +73,7 @@ int hvc_put_chars(uint32_t vtermno, cons
if (ret == H_SUCCESS)
return count;
if (ret == H_BUSY)
- return 0;
+ return -EAGAIN;
return -EIO;
}
Patches currently in longterm-queue-2.6.32 which might be from [email protected]
are
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/powerpc-pseries-hvconsole-fix-dropped-console-output.patch
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/powerpc-kdump-fix-timeout-in-crash_kexec_wait_realmode.patch
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