On Fri, Apr 23, 2021 at 11:59:30PM +0530, Vaidyanathan Srinivasan wrote:
> * Michal Such?nek [2021-04-23 19:45:05]:
>
> > On Fri, Apr 23, 2021 at 09:29:39PM +0530, Vaidyanathan Srinivasan wrote:
> > > * Michal Such?nek [2021-04-23 09:35:51]:
> > >
> > > > On Thu, Apr 22, 2021 at 08:37:29PM +053
* Michal Such?nek [2021-04-23 19:45:05]:
> On Fri, Apr 23, 2021 at 09:29:39PM +0530, Vaidyanathan Srinivasan wrote:
> > * Michal Such?nek [2021-04-23 09:35:51]:
> >
> > > On Thu, Apr 22, 2021 at 08:37:29PM +0530, Gautham R. Shenoy wrote:
> > > > From: "Gautham R. Shenoy"
> > > >
> > > > Commi
On Fri, Apr 23, 2021 at 09:29:39PM +0530, Vaidyanathan Srinivasan wrote:
> * Michal Such?nek [2021-04-23 09:35:51]:
>
> > On Thu, Apr 22, 2021 at 08:37:29PM +0530, Gautham R. Shenoy wrote:
> > > From: "Gautham R. Shenoy"
> > >
> > > Commit d947fb4c965c ("cpuidle: pseries: Fixup exit latency for
On 4/21/21 9:36 AM, Lakshmi Ramasubramanian wrote:
Hi Dan,
There are a few "goto out;" statements before the local variable "fdt"
is initialized through the call to of_kexec_alloc_and_setup_fdt() in
elf64_load(). This will result in an uninitialized "fdt" being passed
to kvfree() in this funct
Le 23/04/2021 à 00:44, Nick Desaulniers a écrit :
On Wed, Sep 2, 2020 at 11:02 AM Christophe Leroy
wrote:
Le 02/09/2020 à 19:41, Nick Desaulniers a écrit :
On Wed, Sep 2, 2020 at 5:14 AM Michael Ellerman wrote:
Nick Desaulniers writes:
Fixes: commit f2af201002a8 ("powerpc/build: vds
On Fri, Apr 23, 2021 at 12:26:57PM +0200, Gabriel Paubert wrote:
> On Thu, Apr 22, 2021 at 06:26:16PM -0500, Segher Boessenkool wrote:
> > > But this can be made jump free :-):
> > >
> > > int tmp = regs->ccr << ra;
> > > op->val = (tmp >> 31) | ((tmp >> 30) & 1);
> >
> > The compiler will do
* Michal Such?nek [2021-04-23 09:35:51]:
> On Thu, Apr 22, 2021 at 08:37:29PM +0530, Gautham R. Shenoy wrote:
> > From: "Gautham R. Shenoy"
> >
> > Commit d947fb4c965c ("cpuidle: pseries: Fixup exit latency for
> > CEDE(0)") sets the exit latency of CEDE(0) based on the latency values
> > of th
On Fri, Apr 23, 2021 at 9:42 AM David Laight wrote:
>
> From: Michael Ellerman
> > Sent: 23 April 2021 14:51
> ...
> > > (Does anyone - and by anyone I mean any large distro - compile with
> > > local variables inited by the compiler?)
> >
> > This is where I say, "yes, Android" and you say "ugh n
On Fri, Apr 23, 2021 at 9:40 AM Christophe JAILLET
wrote:
>
> If we exit the for_each_of_cpu_node loop early, the reference on the
> current node must be decremented, otherwise there is a leak.
>
> Fixes: a94fe366340a ("powerpc: use for_each_of_cpu_node iterator")
> Signed-off-by: Christophe JAILL
From: Michael Ellerman
> Sent: 23 April 2021 14:51
...
> > (Does anyone - and by anyone I mean any large distro - compile with
> > local variables inited by the compiler?)
>
> This is where I say, "yes, Android" and you say "ugh no I meant a real
> distro", and I say "well ...".
>
> But yeah does
'arch/powerpc/platforms/powermac/feature.c' triggers many checkpatch.pl
warnings.
The code looks old and not very active, so fixing them all does not make
so much sense and will hide some 'git blame' information.
So only apply a few fixes that save a few lines of code.
Signed-off-by: Christophe J
If we exit the for_each_of_cpu_node loop early, the reference on the
current node must be decremented, otherwise there is a leak.
Fixes: a94fe366340a ("powerpc: use for_each_of_cpu_node iterator")
Signed-off-by: Christophe JAILLET
---
Strangely, the commit above added the needed of_node_put in on
Return of user_read_access_begin() is tested the wrong way,
leading to a SIGSEGV when the user address is valid and likely
an Oops when the user address is bad.
Fix the test.
Fixes: 887f3ceb51cd ("powerpc/signal32: Convert do_setcontext[_tm]() to user
access block")
Signed-off-by: Christophe Ler
Daniel Axtens writes:
> Daniel Axtens writes:
>
>> Hi Lakshmi,
>>
>>> On 4/15/21 12:14 PM, Lakshmi Ramasubramanian wrote:
>>>
>>> Sorry - missed copying device-tree and powerpc mailing lists.
>>>
There are a few "goto out;" statements before the local variable "fdt"
is initialized throu
On 2021-04-22 09:15, Claire Chang wrote:
The restricted DMA pool is preferred if available.
The restricted DMA pools provide a basic level of protection against the
DMA overwriting buffer contents at unexpected times. However, to protect
against general data leakage and system memory corruption,
2021-04-23 12:46 UTC+0200 ~ Christophe Leroy
>
>
> Le 23/04/2021 à 12:26, Quentin Monnet a écrit :
>> 2021-04-23 09:19 UTC+0200 ~ Christophe Leroy
>>
>>
>> [...]
>>
>>> I finally managed to cross compile bpftool with libbpf, libopcodes,
>>> readline, ncurses, libcap, libz and all needed stuff.
Le 23/04/2021 à 12:59, Quentin Monnet a écrit :
2021-04-23 12:46 UTC+0200 ~ Christophe Leroy
Le 23/04/2021 à 12:26, Quentin Monnet a écrit :
2021-04-23 09:19 UTC+0200 ~ Christophe Leroy
[...]
I finally managed to cross compile bpftool with libbpf, libopcodes,
readline, ncurses, libcap
Le 23/04/2021 à 12:26, Quentin Monnet a écrit :
2021-04-23 09:19 UTC+0200 ~ Christophe Leroy
[...]
I finally managed to cross compile bpftool with libbpf, libopcodes,
readline, ncurses, libcap, libz and all needed stuff. Was not easy but I
made it.
Libcap is optional and bpftool does not
2021-04-23 09:19 UTC+0200 ~ Christophe Leroy
[...]
> I finally managed to cross compile bpftool with libbpf, libopcodes,
> readline, ncurses, libcap, libz and all needed stuff. Was not easy but I
> made it.
Libcap is optional and bpftool does not use readline or ncurses. May I
ask how you tried
Christophe Leroy writes:
> Le 23/04/2021 à 00:58, Daniel Axtens a écrit :
>>> diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
>>> index c9d2c7825cd6..3a2f2001c62b 100644
>>> --- a/arch/powerpc/Makefile
>>> +++ b/arch/powerpc/Makefile
>>> @@ -214,7 +214,6 @@ KBUILD_CPPFLAGS += -I $(srctr
On 2021-04-22 09:15, Claire Chang wrote:
If a device is not behind an IOMMU, we look up the device node and set
up the restricted DMA when the restricted-dma-pool is presented.
Signed-off-by: Claire Chang
---
drivers/of/address.c| 25 +
drivers/of/device.c |
On 2021-04-22 09:15, Claire Chang wrote:
Update is_swiotlb_active to add a struct device argument. This will be
useful later to allow for restricted DMA pool.
Signed-off-by: Claire Chang
---
drivers/gpu/drm/i915/gem/i915_gem_internal.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_ttm.c| 2
"Naveen N. Rao" writes:
> Michael Ellerman wrote:
>> "Naveen N. Rao" writes:
>>> Daniel Axtens wrote:
Sathvika Vasireddy writes:
> This adds emulation support for the following instruction:
>* Set Boolean (setb)
>
> Signed-off-by: Sathvika Vasireddy
>> ...
>
On 22/04/2021 09:14, Claire Chang wrote:
Add the initialization function to create restricted DMA pools from
matching reserved-memory nodes.
Signed-off-by: Claire Chang
---
include/linux/device.h | 4 +++
include/linux/swiotlb.h | 3 +-
kernel/dma/swiotlb.c| 80 ++
On Thu, Apr 22, 2021 at 06:26:16PM -0500, Segher Boessenkool wrote:
> Hi!
>
> On Fri, Apr 23, 2021 at 12:16:18AM +0200, Gabriel Paubert wrote:
> > On Thu, Apr 22, 2021 at 02:13:34PM -0500, Segher Boessenkool wrote:
> > > On Fri, Apr 16, 2021 at 05:44:52PM +1000, Daniel Axtens wrote:
> > > > Sathvi
On 22/04/2021 17:07, Leonardo Bras wrote:
Code used to create a ddw property that was previously scattered in
enable_ddw() is now gathered in ddw_property_create(), which deals with
allocation and filling the property, letting it ready for
of_property_add(), which now occurs in sequence.
This
On Thu, Apr 22, 2021 at 10:34:08PM -0400, Richard Guy Briggs wrote:
> On 2021-03-18 08:08, Richard Guy Briggs wrote:
> > On 2021-03-18 11:48, Christian Brauner wrote:
> > > [+Cc Aleksa, the author of openat2()]
> >
> > Ah! Thanks for pulling in Aleksa. I thought I caught everyone...
> >
> > > a
Le 23/04/2021 à 00:44, Nick Desaulniers a écrit :
On Wed, Sep 2, 2020 at 11:02 AM Christophe Leroy
wrote:
Le 02/09/2020 à 19:41, Nick Desaulniers a écrit :
On Wed, Sep 2, 2020 at 5:14 AM Michael Ellerman wrote:
Nick Desaulniers writes:
Fixes: commit f2af201002a8 ("powerpc/build: vds
On Thu, Apr 22, 2021 at 08:37:29PM +0530, Gautham R. Shenoy wrote:
> From: "Gautham R. Shenoy"
>
> Commit d947fb4c965c ("cpuidle: pseries: Fixup exit latency for
> CEDE(0)") sets the exit latency of CEDE(0) based on the latency values
> of the Extended CEDE states advertised by the platform
>
>
Le 20/04/2021 à 05:28, Alexei Starovoitov a écrit :
On Sat, Apr 17, 2021 at 1:16 AM Christophe Leroy
wrote:
Le 16/04/2021 à 01:49, Alexei Starovoitov a écrit :
On Thu, Apr 15, 2021 at 8:41 AM Quentin Monnet wrote:
2021-04-15 16:37 UTC+0200 ~ Daniel Borkmann
On 4/15/21 11:32 AM, Jian
On 22/04/2021 17:07, Leonardo Bras wrote:
Some functions assume IOMMU page size can only be 4K (pageshift == 12).
Update them to accept any page size passed, so we can use 64K pages.
In the process, some defines like TCE_SHIFT were made obsolete, and then
removed.
IODA3 Revision 3.0_prd1 (Op
On Thu, Apr 22, 2021 at 04:14:53PM +0800, Claire Chang wrote:
> Fix the type of index from unsigned int to int since find_slots() might
> return -1.
>
> Fixes: 0774983bc923 ("swiotlb: refactor swiotlb_tbl_map_single")
> Signed-off-by: Claire Chang
Looks good:
Reviewed-by: Christoph Hellwig
it
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