On Sat, Mar 2, 2013 at 2:28 AM, Oleg Nesterov o...@redhat.com wrote:
Lai, I didn't read this discussion except the code posted by Michel.
I'll try to read this patch carefully later, but I'd like to ask
a couple of questions.
This version looks more complex than Michel's, why? Just curious, I
From 345a7a75c314ff567be48983e0892bc69c4452e7 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan la...@cn.fujitsu.com
Date: Sat, 2 Mar 2013 20:33:14 +0800
Subject: [PATCH] lglock: add read-preference local-global rwlock
Current lglock is not read-preference, so it can't be used on some cases
which
On 02/03/13 02:28, Oleg Nesterov wrote:
Lai, I didn't read this discussion except the code posted by Michel.
I'll try to read this patch carefully later, but I'd like to ask
a couple of questions.
This version looks more complex than Michel's, why? Just curious, I
am trying to understand
Hi,
recently i got a PowerMac G5 and installed Debian Linux 2.6.32 on it.
Everything works so far and Debian boots properly.
Today i tried to boot Linux 3 on the machine and it doesn't boot.
The Linux 3 kernel was cross-compiled by me.
On Linux 3.8.1 it hangs after this line:
---
windfarm:
The BITOP_LE_SWIZZLE macro was used in the little-endian bitops functions
for powerpc. But these functions were converted to generic bitops and
the BITOP_LE_SWIZZLE is not used anymore.
Signed-off-by: Akinobu Mita akinobu.m...@gmail.com
Cc: Benjamin Herrenschmidt b...@kernel.crashing.org
Cc:
Hi,
On Sat, Mar 02, 2013 at 03:40:19PM +0100, Phileas Fogg wrote:
Have anyone tested Linux 3 kernels on PowerMac G5 recently ?
3.8 boots normally to shell and is stable on G5 iMac (PowerMac8,1).
A.
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Aaro Koskinen wrote:
Hi,
On Sat, Mar 02, 2013 at 03:40:19PM +0100, Phileas Fogg wrote:
Have anyone tested Linux 3 kernels on PowerMac G5 recently ?
3.8 boots normally to shell and is stable on G5 iMac (PowerMac8,1).
A.
Thanks. Then i configured something wrongly probably.
I tried Linux
Phileas Fogg phileas-f...@mail.ru writes:
Aaro Koskinen wrote:
Hi,
On Sat, Mar 02, 2013 at 03:40:19PM +0100, Phileas Fogg wrote:
Have anyone tested Linux 3 kernels on PowerMac G5 recently ?
3.8 boots normally to shell and is stable on G5 iMac (PowerMac8,1).
A.
Thanks. Then i
On 03/02, Lai Jiangshan wrote:
On 02/03/13 02:28, Oleg Nesterov wrote:
Lai, I didn't read this discussion except the code posted by Michel.
I'll try to read this patch carefully later, but I'd like to ask
a couple of questions.
This version looks more complex than Michel's, why? Just
On 03/02, Michel Lespinasse wrote:
My version would be slower if it needs to take the
slow path in a reentrant way, but I'm not sure it matters either :)
I'd say, this doesn't matter at all, simply because this can only happen
if we race with the active writer.
Oleg.
On 03/02/2013 06:44 PM, Lai Jiangshan wrote:
From 345a7a75c314ff567be48983e0892bc69c4452e7 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan la...@cn.fujitsu.com
Date: Sat, 2 Mar 2013 20:33:14 +0800
Subject: [PATCH] lglock: add read-preference local-global rwlock
Current lglock is not
On 03/02, Lai Jiangshan wrote:
+void lg_rwlock_local_read_unlock(struct lgrwlock *lgrw)
+{
+ switch (__this_cpu_read(*lgrw-reader_refcnt)) {
+ case 1:
+ __this_cpu_write(*lgrw-reader_refcnt, 0);
+ lg_local_unlock(lgrw-lglock);
+ return;
+
On Sat, 2013-03-02 at 15:40 +0100, Phileas Fogg wrote:
recently i got a PowerMac G5 and installed Debian Linux 2.6.32 on it.
Everything works so far and Debian boots properly.
Today i tried to boot Linux 3 on the machine and it doesn't boot.
The Linux 3 kernel was cross-compiled by me.
On
On Sat, 2013-03-02 at 17:22 +0100, Andreas Schwab wrote:
Thanks. Then i configured something wrongly probably.
I tried Linux 2.6.39.4 and it boots too.
I looked around on the Internet and it seems i'm not the only one
who has problems with Linux 3.x on my PowerMac G5.
I have no problem
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