Displaying 20 results from an estimated 138 matches for "mikula".
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nikula
2018 Apr 18
7
[PATCH] net: don't use kvzalloc for DMA memory
On Wed, 18 Apr 2018, David Miller wrote:
> From: Mikulas Patocka <mpatocka at redhat.com>
> Date: Wed, 18 Apr 2018 12:44:25 -0400 (EDT)
>
> > The structure net_device is followed by arbitrary driver-specific data
> > (accessible with the function netdev_priv). And for virtio-net, these
> > driver-specific data must be in...
2018 May 03
0
[dm-devel] [PATCH v5] fault-injection: introduce kvmalloc fallback options
...> >> Now I also think that Linus has the right idea to not just sprinkle
> >> BUG_ONs into the code, just dump and oops and keep going if you can.
> >> If it's a filesystem or a device, turn it read only so that people
> >> notice right away.
>
> Mikulas> This vmalloc fallback is similar to
> Mikulas> CONFIG_DEBUG_KOBJECT_RELEASE. CONFIG_DEBUG_KOBJECT_RELEASE
> Mikulas> changes the behavior of kobject_put in order to cause
> Mikulas> deliberate crashes (that wouldn't happen otherwise) in
> Mikulas> drivers that misu...
2018 Apr 25
7
[PATCH v4] fault-injection: introduce kvmalloc fallback options
On 04/25/2018 01:02 PM, Mikulas Patocka wrote:
>
>
> From: Mikulas Patocka <mpatocka at redhat.com>
> Subject: [PATCH v4] fault-injection: introduce kvmalloc fallback options
>
> This patch introduces a fault-injection option "kvmalloc_fallback". This
> option makes kvmalloc randomly fall...
2018 Apr 25
7
[PATCH v4] fault-injection: introduce kvmalloc fallback options
On 04/25/2018 01:02 PM, Mikulas Patocka wrote:
>
>
> From: Mikulas Patocka <mpatocka at redhat.com>
> Subject: [PATCH v4] fault-injection: introduce kvmalloc fallback options
>
> This patch introduces a fault-injection option "kvmalloc_fallback". This
> option makes kvmalloc randomly fall...
2018 Apr 24
3
[PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
On Tue 24-04-18 11:30:40, Mikulas Patocka wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Mon 23-04-18 20:25:15, Mikulas Patocka wrote:
> >
> > > Fixing __vmalloc code
> > > is easy and it doesn't require cooperation with maintainers.
> >
> > But it is...
2018 Apr 24
3
[PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
On Tue 24-04-18 11:30:40, Mikulas Patocka wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Mon 23-04-18 20:25:15, Mikulas Patocka wrote:
> >
> > > Fixing __vmalloc code
> > > is easy and it doesn't require cooperation with maintainers.
> >
> > But it is...
2018 Apr 18
5
[PATCH] net: don't use kvzalloc for DMA memory
On Wed, 18 Apr 2018, Eric Dumazet wrote:
>
>
> On 04/18/2018 07:34 AM, Mikulas Patocka wrote:
> > The patch 74d332c13b21 changes alloc_netdev_mqs to use vzalloc if kzalloc
> > fails (later patches change it to kvzalloc).
> >
> > The problem with this is that if the vzalloc function is actually used,
> > virtio_net doesn't work (because it...
2018 Apr 18
5
[PATCH] net: don't use kvzalloc for DMA memory
On Wed, 18 Apr 2018, Eric Dumazet wrote:
>
>
> On 04/18/2018 07:34 AM, Mikulas Patocka wrote:
> > The patch 74d332c13b21 changes alloc_netdev_mqs to use vzalloc if kzalloc
> > fails (later patches change it to kvzalloc).
> >
> > The problem with this is that if the vzalloc function is actually used,
> > virtio_net doesn't work (because it...
2018 Apr 24
2
[PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
On Tue 24-04-18 13:00:11, Mikulas Patocka wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Tue 24-04-18 11:50:30, Mikulas Patocka wrote:
> > >
> > >
> > > On Tue, 24 Apr 2018, Michal Hocko wrote:
> > >
> > > > On Mon 23-04-18 20:06:16, Mikulas Pa...
2018 Apr 24
2
[PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
On Tue 24-04-18 13:00:11, Mikulas Patocka wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Tue 24-04-18 11:50:30, Mikulas Patocka wrote:
> > >
> > >
> > > On Tue, 24 Apr 2018, Michal Hocko wrote:
> > >
> > > > On Mon 23-04-18 20:06:16, Mikulas Pa...
2013 Nov 07
2
[LLVMdev] [PATCH] Do not generate nopl instruction on CPUs that don't support it.
...a wrote:
> Please include a testcase with the patch.
I'm sending testcase here. Compile it with
"clang -O2 -march=k6-2 -c loop.c"
> gas uses " nopl 0x0(%eax)" for k6_2. Are you sure it is a gas bug?
Yes, it is gas bug. I should report it to binutils maintainers.
Mikulas
> On 3 November 2013 13:50, Mikulas Patocka
> <mikulas at artax.karlin.mff.cuni.cz> wrote:
> > Hi
> >
> > This patch fixes code generation bug - 586-class CPUs don't support the
> > nopl instruction and some 686-class CPUs don't support it too.
> >...
2018 Apr 24
2
[PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
On Tue, Apr 24, 2018 at 08:29:14AM -0400, Mikulas Patocka wrote:
>
>
> On Mon, 23 Apr 2018, Matthew Wilcox wrote:
>
> > On Mon, Apr 23, 2018 at 08:06:16PM -0400, Mikulas Patocka wrote:
> > > Some bugs (such as buffer overflows) are better detected
> > > with kmalloc code, so we must test the kmalloc path too...
2018 Apr 24
2
[PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
On Tue, Apr 24, 2018 at 08:29:14AM -0400, Mikulas Patocka wrote:
>
>
> On Mon, 23 Apr 2018, Matthew Wilcox wrote:
>
> > On Mon, Apr 23, 2018 at 08:06:16PM -0400, Mikulas Patocka wrote:
> > > Some bugs (such as buffer overflows) are better detected
> > > with kmalloc code, so we must test the kmalloc path too...
2018 May 02
2
[PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
On Tue, 24 Apr 2018 12:33:01 -0400 (EDT) Mikulas Patocka <mpatocka at redhat.com> wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Tue 24-04-18 11:30:40, Mikulas Patocka wrote:
> > >
> > >
> > > On Tue, 24 Apr 2018, Michal Hocko wrote:
> > >
> > > > On M...
2012 May 02
2
interactive loop
...hapes, but
some of them contain superfluous points. I want to write a loop in
which each configuration is plotted and I am asked to write the
numbers of points that are superfluous. However, I don't know how to
introduce this interactive element.
Would you give me an advice?
Best regards
Ond?ej Mikula
--
Ond?ej Mikula
Institute of Animal Physiology and Genetics
Academy of Sciences of the Czech Republic
Veveri 97, 60200 Brno, Czech Republic
Institute of Vertebrate Biology
Academy of Sciences of the Czech Republic
Studenec 122, 67502 Konesin, Czech Republic
2014 Sep 22
3
[LLVMdev] ARM assembler bug on LLVM 3.5
On Sun, 21 Sep 2014, Renato Golin wrote:
> On 20 September 2014 15:19, Mikulas Patocka
> <mikulas at artax.karlin.mff.cuni.cz> wrote:
> > The problem is this - you either compile this program with
> > -mcpu=cortex-a9, then clang reports error on the sdiv instruction because
> > cortex a9 doesn't have sdiv. Or - you compile the program with
>...
2018 Apr 19
1
[PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
On Thu, Apr 19, 2018 at 12:12:38PM -0400, Mikulas Patocka wrote:
>
>
> On Wed, 18 Apr 2018, Mikulas Patocka wrote:
>
> >
> >
> > On Wed, 18 Apr 2018, David Miller wrote:
> >
> > > From: Mikulas Patocka <mpatocka at redhat.com>
> > > Date: Wed, 18 Apr 2018 12:44:25 -0400 (EDT)
>...
2018 Apr 24
2
[PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
On Tue 24-04-18 11:50:30, Mikulas Patocka wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Mon 23-04-18 20:06:16, Mikulas Patocka wrote:
> > [...]
> > > @@ -404,6 +405,12 @@ void *kvmalloc_node(size_t size, gfp_t f
> > > */
> > > WARN_ON_ONCE((flags & GFP...
2018 Apr 24
2
[PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG
On Tue 24-04-18 11:50:30, Mikulas Patocka wrote:
>
>
> On Tue, 24 Apr 2018, Michal Hocko wrote:
>
> > On Mon 23-04-18 20:06:16, Mikulas Patocka wrote:
> > [...]
> > > @@ -404,6 +405,12 @@ void *kvmalloc_node(size_t size, gfp_t f
> > > */
> > > WARN_ON_ONCE((flags & GFP...
2018 Apr 20
4
[PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
On Thu 19-04-18 12:12:38, Mikulas Patocka wrote:
[...]
> From: Mikulas Patocka <mpatocka at redhat.com>
> Subject: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
>
> The kvmalloc function tries to use kmalloc and falls back to vmalloc if
> kmalloc fails.
>
> Unfortunatelly, some kernel code ha...