72d607814d9e808d05765 Mon Sep 17 00:00:00 2001
Message-Id:
<b5cdd3c14b0589e5d5a72d607814d9e808d05765.1441771848.git.s...@fb.com>
From: Shaohua Li <s...@fb.com>
Date: Thu, 30 Jul 2015 16:24:43 -0700
Subject: [PATCH] x86: serialize LVTT and TSC_DEADLINE write
We saw a strange issue with local APIC timer. Some random CPU d
On Wed, Aug 05, 2015 at 10:44:24AM +0200, Ingo Molnar wrote:
* Shaohua Li s...@fb.com wrote:
On Sun, Aug 02, 2015 at 09:41:08PM +0200, Thomas Gleixner wrote:
On Sun, 2 Aug 2015, Shaohua Li wrote:
On Sat, Aug 01, 2015 at 12:10:41PM +0200, Thomas Gleixner wrote:
On Fri, 31 Jul
On Sun, Aug 02, 2015 at 09:41:08PM +0200, Thomas Gleixner wrote:
On Sun, 2 Aug 2015, Shaohua Li wrote:
On Sat, Aug 01, 2015 at 12:10:41PM +0200, Thomas Gleixner wrote:
On Fri, 31 Jul 2015, Shaohua Li wrote:
@@ -336,6 +336,22 @@ static void __setup_APIC_LVTT(unsigned int clocks
On Sat, Aug 01, 2015 at 12:10:41PM +0200, Thomas Gleixner wrote:
On Fri, 31 Jul 2015, Shaohua Li wrote:
@@ -336,6 +336,22 @@ static void __setup_APIC_LVTT(unsigned int clocks, int
oneshot, int irqen)
apic_write(APIC_LVTT, lvtt_value);
if (lvtt_value
...@linutronix.de
Cc: H. Peter Anvin h...@zytor.com
Cc: Ingo Molnar mi...@kernel.org
Cc: stable@vger.kernel.org v3.7+
Signed-off-by: Shaohua Li s...@fb.com
---
arch/x86/kernel/apic/apic.c | 16
1 file changed, 16 insertions(+)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic
2012/6/5 tao@emc.com:
If you ever tried to implement unplug function in umem, you would find the
code was almost identical as in dm/raid driver.
For other components which also need such unplug mechanism, it will much more
convenient to have such facilities.
It's just several lines of
On Mon, Jun 04, 2012 at 10:41:50AM -0400, Tao Guo wrote:
Other components may also require an unplug callback, so move this
function from md/raid to block generic layer.
I saw no point this should be generic code, for example, why blk_plug_cb only
handles only one request_queue? If umem needs
