On Tue, Jan 10, 2017 at 02:15:57PM +0100, Arnd Bergmann wrote:
> On Tuesday, January 10, 2017 12:26:01 PM CET Robin Murphy wrote:
> > @@ -548,6 +550,14 @@ static int virtio_mmio_probe(struct platform_device
> > *pdev)
> > if (vm_dev->version == 1)
> > writel(PAGE_SIZE,
On Wed, Nov 16, 2016 at 01:23:05PM +0100, Christian Borntraeger wrote:
> No need to duplicate the same define everywhere. Since
> the only user is stop-machine and the only provider is
> s390, we can use a default implementation of cpu_relax_yield
> in sched.h.
>
> Suggested-by: Russell King
On Tue, Nov 15, 2016 at 02:19:53PM +0100, Christian Borntraeger wrote:
> On 11/15/2016 01:30 PM, Russell King - ARM Linux wrote:
> > On Tue, Oct 25, 2016 at 11:03:11AM +0200, Christian Borntraeger wrote:
> >> For spinning loops people do often use barrier() or cpu_rela
On Tue, Oct 25, 2016 at 11:03:11AM +0200, Christian Borntraeger wrote:
> For spinning loops people do often use barrier() or cpu_relax().
> For most architectures cpu_relax and barrier are the same, but on
> some architectures cpu_relax can add some latency.
> For example on power,sparc64 and arc,
On Mon, Jan 04, 2016 at 02:54:20PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 04, 2016 at 02:36:58PM +0100, Peter Zijlstra wrote:
> > On Sun, Jan 03, 2016 at 11:12:44AM +0200, Michael S. Tsirkin wrote:
> > > On Sat, Jan 02, 2016 at 11:24:38AM +0000, Russell King - ARM Linux wrot
On Mon, Jan 04, 2016 at 08:07:40AM -0800, Joe Perches wrote:
> On Mon, 2016-01-04 at 13:36 +0200, Michael S. Tsirkin wrote:
> > + my $all_barriers = join('|', (@barriers, @smp_barriers));
> > +
> > + if ($line =~ /\b($all_barriers)\(/) {
>
> It would be better to use
On Thu, Dec 31, 2015 at 09:06:46PM +0200, Michael S. Tsirkin wrote:
> On arm smp_store_mb, read_barrier_depends, smp_read_barrier_depends,
> smp_store_release, smp_load_acquire, smp_mb__before_atomic and
> smp_mb__after_atomic match the asm-generic variants exactly. Drop the
> local definitions
On Thu, Dec 31, 2015 at 09:07:59PM +0200, Michael S. Tsirkin wrote:
> This defines __smp_xxx barriers for arm,
> for use by virtualization.
>
> smp_xxx barriers are removed as they are
> defined correctly by asm-generic/barriers.h
>
> This reduces the amount of arch-specific boiler-plate code.
>
On Wed, Oct 07, 2015 at 12:41:21PM +0200, Arnd Bergmann wrote:
> The virtgpu driver prints the last_seq variable using the %ld or
> %lu format string, which does not work correctly on all architectures
> and causes this compiler warning on ARM:
>
> drivers/gpu/drm/virtio/virtgpu_fence.c: In
On Tue, Mar 05, 2013 at 08:47:22PM +0100, Sam Ravnborg wrote:
On Tue, Mar 05, 2013 at 10:54:44PM +0800, Jiang Liu wrote:
+static inline void free_initmem_default(int poison)
+{
Why request user to supply the poison argumet. If this is the default
implmentation then use the default poison
On Mon, Jan 17, 2011 at 12:07:13PM +0100, Peter Zijlstra wrote:
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 42aa078..c4a570b 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -587,6 +587,7 @@ handle_ipi(struct pt_regs *regs)
case
On Mon, Jan 17, 2011 at 12:41:49PM +0100, Peter Zijlstra wrote:
===
--- linux-2.6.orig/arch/arm/kernel/smp.c
+++ linux-2.6/arch/arm/kernel/smp.c
@@ -575,10 +575,7 @@ asmlinkage void __exception do_IPI(struc
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