From: Kevin Hilman <khilman@mvista.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH -rt] ARM TLB flush fix: don't forget to re-enable preemption
Date: Tue, 22 May 2007 16:01:28 -0700 [thread overview]
Message-ID: <20070522230128.891568116@mvista.com> (raw)
Add a preempt_enable() to flush_tlb_kernel_page() since -rt4 patch
adds a preempt_disable but no preempt_enable().
Signed-off-by: Kevin Hilman <khilman@mvista.com>
---
include/asm-arm/tlbflush.h | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6.21/include/asm-arm/tlbflush.h
===================================================================
--- linux-2.6.21.orig/include/asm-arm/tlbflush.h
+++ linux-2.6.21/include/asm-arm/tlbflush.h
@@ -378,6 +378,7 @@ static inline void local_flush_tlb_kerne
asm("mcr p15, 0, %0, c8, c6, 1" : : "r" (kaddr) : "cc");
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (kaddr) : "cc");
+ preempt_enable();
if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
TLB_V6_I_PAGE | TLB_V6_D_PAGE |
--
next reply other threads:[~2007-05-22 23:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-22 23:01 Kevin Hilman [this message]
2007-05-22 23:25 ` [PATCH -rt] ARM TLB flush fix: don't forget to re-enable preemption Daniel Walker
2007-05-22 23:41 ` Kevin Hilman
2007-05-22 23:48 ` Daniel Walker
2007-05-23 9:22 ` Russell King
2007-05-23 16:13 ` Kevin Hilman
2007-05-23 16:25 ` Russell King
2007-05-23 17:31 ` Kevin Hilman
2007-05-23 16:30 ` Daniel Walker
2007-05-23 3:39 ` Thomas Gleixner
2007-05-24 0:41 ` Kevin Hilman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070522230128.891568116@mvista.com \
--to=khilman@mvista.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox