32 detached
>
> Huh. In PowerPC, is there some difference between system calls
> executed in initrd and those same system calls executed in userspace?
I've faced some issues in the past with certain syscalls not working
exactly the sa
On Mon, Aug 03, 2020 at 09:18:00PM +1000, Michael Ellerman wrote:
> If we just move the include of asm/paca.h below asm-generic/percpu.h
> then it avoids the bad circular dependency and we still have paca.h
> included from percpu.h as before.
>
> eg:
>
> diff --git a/arch/powerpc/include/asm/perc
On Mon, Aug 03, 2020 at 02:10:17PM +1000, Stephen Rothwell wrote:
> Our mails have crossed.
Ah indeed :-)
> I just sent a more comprehensive patch. I
> think your patch would require a lot of build testing and even then may
> fail for some CONFIG combination that we didn't test or added in the
>
Hi again Stephen,
On Sun, Aug 02, 2020 at 07:20:19PM +0200, Willy Tarreau wrote:
> On Sun, Aug 02, 2020 at 08:48:42PM +1000, Stephen Rothwell wrote:
> > Hi all,
> >
> > We are getting build failures in some PowerPC configs for Linus' tree.
> > See e.g. htt
On Sun, Aug 02, 2020 at 08:48:42PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> We are getting build failures in some PowerPC configs for Linus' tree.
> See e.g. http://kisskb.ellerman.id.au/kisskb/buildresult/14306515/
>
> In file included from /kisskb/src/arch/powerpc/include/asm/paca.h:18,
>
ggesting this solution.
Fixes: 9994a33865f4 ("powerpc: Introduce entry_{32,64}.S, misc_{32,64}.S,
systbl.S")
Signed-off-by: Larry Finger
Cc: Nicholas Piggin
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Linu
On Thu, Apr 03, 2014 at 06:15:25PM +0800, zhuyj wrote:
> Hi, Willy
>
> I made a new patch. In long commit message, I inserted the equivalent
> mainline commit
> about this feature. Maybe it is better. Now this patch is in the
> attachment. Please check
> and merge it into kernel 2.6.32.62.
Sure
Hi Zhu,
On Thu, Apr 03, 2014 at 05:57:53PM +0800, zhuyj wrote:
> I reference the following 2 mainline commits. These 2 commits are based
> on the current kernel 3.x and ethtool.
> If we only backport these 2 commits on kernel 2.6.x, this problem will
> not be fixed yet.
OK fine, I just wanted t
Hi Zhu,
On Thu, Apr 03, 2014 at 05:11:48PM +0800, zhuyj wrote:
> Hi, Claudiu
>
> Please help to review this patch. This patch is for kernel 2.6.x. Thanks
> a lot.
>
> Hi, Willy
>
> Please help to merge this patch to longterm: 2.6.32.61 since this
> problem also occurs on this kernel. Thanks a
On Thu, Apr 11, 2013 at 10:59:15AM -0700, Eric Dumazet wrote:
> On Thu, 2013-04-11 at 19:51 +0200, Willy Tarreau wrote:
>
> > Eric provided me with one such experimental patch in the past for this
> > driver. It worked for me but we never tried to clean it up to propose
&g
On Thu, Apr 11, 2013 at 01:31:19PM -0400, David Miller wrote:
> From: Sebastian Hesselbarth
> Date: Thu, 11 Apr 2013 17:27:03 +0200
>
> > On Thu, Apr 11, 2013 at 5:03 PM, Willy Tarreau wrote:
> >> On Thu, Apr 11, 2013 at 04:47:49PM +0200, Sebastian Hesselbarth wrote:
On Thu, Apr 11, 2013 at 06:59:11PM +0200, Sebastian Hesselbarth wrote:
> On Thu, Apr 11, 2013 at 5:32 PM, Willy Tarreau wrote:
> > On Thu, Apr 11, 2013 at 05:27:03PM +0200, Sebastian Hesselbarth wrote:
> >> I don't have a strong opinion on whether Soeren's or
On Thu, Apr 11, 2013 at 08:54:35AM -0700, Eric Dumazet wrote:
> On Thu, 2013-04-11 at 17:32 +0200, Willy Tarreau wrote:
> > On Thu, Apr 11, 2013 at 05:27:03PM +0200, Sebastian Hesselbarth wrote:
> > > I don't have a strong opinion on whether Soeren's or your proposal sh
On Thu, Apr 11, 2013 at 05:27:03PM +0200, Sebastian Hesselbarth wrote:
> I don't have a strong opinion on whether Soeren's or your proposal should
> be submitted. But I insist on having one of them in, as GRO significantly
> improves the common use case, is enabled by default, and not as
> constrai
Hi Sebastian,
On Thu, Apr 11, 2013 at 04:47:49PM +0200, Sebastian Hesselbarth wrote:
> I did some simple tests on Dove/Cubox with 'netperf -cCD' and
> gso/gro/lro options on
> mv643xx_eth. The tests may not be sufficient, as I am not that into
> net performance testing.
In fact the difference onl
Hi,
On Thu, Apr 11, 2013 at 02:40:23PM +0200, Sebastian Hesselbarth wrote:
> This patch adds GRO support to mv643xx_eth by making it invoke
> napi_gro_receive instead of netif_receive_skb.
>
> Signed-off-by: Soeren Moch
> Signed-off-by: Sebastian Hesselbarth
> ---
> Cc: "David S. Miller"
> Cc:
Hi Joakim,
On Wed, Feb 08, 2012 at 12:39:50PM +0100, Joakim Tjernlund wrote:
> I figure, after 2.4.37.12, a public git tree on kernel org which still
> receives fixes would be enough.
FYI, I've merged your patches and pushed them along with a few pending
other ones here :
http://git.kernel.or
Hi Tony,
On Tue, Feb 14, 2012 at 09:44:19AM +1100, Tony Breeds wrote:
> On Mon, Feb 13, 2012 at 07:35:28AM +0100, Willy Tarreau wrote:
> > On Mon, Feb 13, 2012 at 11:52:02AM +1100, Michael Neuling wrote:
> > > stable-2.6.27.60 added c24cb8e5 which uses PV_POWER7 but it&#
On Mon, Feb 13, 2012 at 11:52:02AM +1100, Michael Neuling wrote:
> stable-2.6.27.60 added c24cb8e5 which uses PV_POWER7 but it's not
> defined. Following patch adds these definitions.
Thank you for the report Michael, I have no PPC toolchain so I have
not tested this one. Added now.
Just one que
On Wed, Feb 08, 2012 at 12:39:50PM +0100, Joakim Tjernlund wrote:
> > BTW, since you're asking, you seem to still be using 2.4. Do you think it's
> > worth pursuing maintenance over 2.4.37.12 and if so for how long ? I'm
> > asking
> > because until the break-in, I felt like almost nobody was usin
Hi Joakim,
On Wed, Feb 08, 2012 at 09:44:18AM +0100, Joakim Tjernlund wrote:
> Willy Tarreau wrote on 2011/12/11 18:33:46:
> >
> > Hi Joakim,
> >
> > On Sun, Dec 11, 2011 at 06:19:54PM +0100, Joakim Tjernlund wrote:
> > > > To: Joakim Tjernlund
> >
2.6.27-longterm review patch. If anyone has any objections, please let us know.
--
commit 5db1256a5131d3b133946fa02ac9770a784e6eb2 upstream.
Move the smp_rmb after cpu_relax loop in read_seqlock and add
ACCESS_ONCE to make sure the test and return are consistent.
A multi-thread
Hi Joakim,
On Sun, Dec 11, 2011 at 06:19:54PM +0100, Joakim Tjernlund wrote:
> > To: Joakim Tjernlund
> > From: Willy Tarreau
> >
> > Hi Joakim, On Mon, Oct 10, 2011 at 01:30:06PM +0200, Joakim Tjernlund
> > wrote: > This is a
> > backport from 2.6 whic
Hi an,
On Mon, Oct 10, 2011 at 09:22:09AM -0700, Dan Malek wrote:
>
> Hi Joakim.
>
> On Oct 10, 2011, at 4:38 AM, Joakim Tjernlund wrote:
>
> >This adds Large page support for 8xx and uses it
> >for all kernel RAM
>
> >- Dan, what do you think :)
>
> Since you asked, yes it looks great :-
Hi Joakim,
On Mon, Oct 10, 2011 at 01:30:06PM +0200, Joakim Tjernlund wrote:
> This is a backport from 2.6 which I did to overcome 8xx CPU
> bugs. 8xx does not update the DAR register when taking a TLB
> error caused by dcbX and icbi insns which makes it very
> tricky to use these insns. Also the
Hi Joakim,
On Tue, Jun 14, 2011 at 03:54:45PM +0200, Joakim Tjernlund wrote:
> This is a backport from 2.6 which I did to overcome 8xx CPU
> bugs. 8xx does not update the DAR register when taking a TLB
> error caused by dcbX and icbi insns which makes it very
> tricky to use these insns. Also the
Hi Anton,
On Tue, Feb 08, 2011 at 08:16:00AM +1100, Anton Blanchard wrote:
>
> Hi,
>
> > From: Amit Shah
> >
> > commit e74d098c66543d0731de62eb747ccd5b636a6f4c upstream.
> >
> > Alan pointed out a race in the code where hvc_remove is invoked. The
> > recent virtio_console work is the first u
using tty_vhangup().
Reported-by: Alan Cox
Signed-off-by: Amit Shah
CC: Alan Cox
CC: linuxppc-...@ozlabs.org
CC: Rusty Russell
Signed-off-by: Greg Kroah-Hartman
Signed-off-by: Willy Tarreau
---
drivers/char/hvc_console.c | 31 +--
1 file changed, 21 insertions
On Tue, Jan 11, 2011 at 09:12:44AM +0100, Joakim Tjernlund wrote:
> Willy Tarreau wrote on 2011/01/11 07:09:26:
> >
> > Hi Joakim,
> >
> > On Mon, Jan 10, 2011 at 10:37:46PM +0100, Joakim Tjernlund wrote:
> > > This is a backport from 2.6 which I did to overc
Hi Joakim,
On Mon, Jan 10, 2011 at 10:37:46PM +0100, Joakim Tjernlund wrote:
> This is a backport from 2.6 which I did to overcome 8xx CPU
> bugs. 8xx does not update the DAR register when taking a TLB
> error caused by dcbX and icbi insns which makes it very
> tricky to use these insns. Also the
Thanks Sachin !
Greg, could you please merge this one into your staging tree ?
Thanks,
Willy
On Tue, Feb 03, 2009 at 09:10:58PM +0530, Sachin P. Sant wrote:
> * Fix build break for lcd panel driver.
>
> Signed-off-by : Sachin Sant
Signed-off-by: Willy Tarreau
> ---
>
&g
Hi,
On Tue, Feb 03, 2009 at 08:45:38PM +0530, Sachin P. Sant wrote:
> 2.6.29-rc3-git5 randconfig build on powerpc fails with following error
>
> CALLarch/powerpc/kernel/systbl_chk.sh
> CALLarch/powerpc/kernel/prom_init_check.sh
> CC [M] drivers/staging/panel/panel.o
> drivers/staging/pan
On Tue, Feb 19, 2008 at 10:28:46AM +0100, Andi Kleen wrote:
> > Sometimes, for performance critical paths, I would like gcc to be dumb and
> > follow *my* code and not its hard-coded probabilities.
>
> If you really want that, simple: just disable optimization @)
already tried. It fixed some dif
On Tue, Feb 19, 2008 at 01:33:53PM +1100, Nick Piggin wrote:
> > Note in particular the last predictors; assuming branch ending
> > with goto, including call, causing early function return or
> > returning negative constant are not taken. Just these alone
> > are likely 95+% of the unlikelies in th
On Sun, Feb 17, 2008 at 01:45:23AM -0800, Andrew Pinski wrote:
> On Feb 16, 2008 9:58 AM, Willy Tarreau <[EMAIL PROTECTED]> wrote:
> > Last but not least, gcc 4 tends to emit stupid checks, to the point that I
> > have replaced unlikely(x) with (x) in my code when gcc >=
On Sat, Feb 16, 2008 at 09:42:26AM -0800, Arjan van de Ven wrote:
> On Sat, 16 Feb 2008 18:33:16 +0100
> Willy Tarreau <[EMAIL PROTECTED]> wrote:
>
> > On Sat, Feb 16, 2008 at 09:25:52AM -0800, Arjan van de Ven wrote:
> > > On Sat, 16 Feb 2008 17:08:01 +0100
>
On Sat, Feb 16, 2008 at 09:25:52AM -0800, Arjan van de Ven wrote:
> On Sat, 16 Feb 2008 17:08:01 +0100
> Roel Kluin <[EMAIL PROTECTED]> wrote:
>
> > The patch below was not yet tested. If it's correct as it is, please
> > comment. ---
> > Fix Unlikely(x) == y
> >
>
> you found a great set of bug
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