Hi Yamada-san,
On Thu, Jan 28, 2021 at 1:54 AM Masahiro Yamada wrote:
> As of v5.11-rc1, 12 architectures duplicate similar shell scripts in
> order to generate syscall table headers. My goal is to unify them into
> the single scripts/syscalltbl.sh.
>
> This commit converts m68k to use scripts/sy
On 28.01.2021 10:59, Sergei Shtylyov wrote:
[...]
Building kernel/sys_ni.c with W=1 omits tons of -Wmissing-prototypes
Emits?
warnings.
$ make W=1 kernel/sys_ni.o
[ snip ]
CC kernel/sys_ni.o
In file included from kernel/sys_ni.c:10:
./arch/x86/include/asm/syscall_wrapper.h:83
Hello!
On 28.01.2021 3:50, Masahiro Yamada wrote:
Building kernel/sys_ni.c with W=1 omits tons of -Wmissing-prototypes
Emits?
warnings.
$ make W=1 kernel/sys_ni.o
[ snip ]
CC kernel/sys_ni.o
In file included from kernel/sys_ni.c:10:
./arch/x86/include/asm/syscall_wrapper.h:83
Hi Saravana,
On Wed, Jan 27, 2021 at 6:11 PM Saravana Kannan wrote:
> On Wed, Jan 27, 2021 at 8:56 AM Geert Uytterhoeven
> wrote:
> > On Wed, Jan 27, 2021 at 5:42 PM Saravana Kannan
> > wrote:
> > > On Tue, Jan 26, 2021 at 11:43 PM Geert Uytterhoeven
> > > wrote:
> > > > On Wed, Jan 27, 2021
Le 15/01/2021 à 17:49, Nicholas Piggin a écrit :
This keeps the context tracking over the entire interrupt handler which
helps later with moving context tracking into interrupt wrappers.
Signed-off-by: Nicholas Piggin
---
arch/powerpc/mm/fault.c | 28
1 file c
On 1/25/21 2:54 PM, Christophe Leroy wrote:
Le 22/01/2021 à 13:32, Ganesh Goudar a écrit :
Access to per-cpu variables requires translation to be enabled on
pseries machine running in hash mmu mode, Since part of MCE handler
runs in realmode and part of MCE handling code is shared between ppc
Hi,
* Michael Walle [210125 19:52]:
> Although I do have the changes for the builtin_platform_driver_probe()
> ready, I don't think it makes much sense to send these unless we agree
> on the increased memory footprint. While there are just a few
> builtin_platform_driver_probe() and memory increa
* Geert Uytterhoeven [210128 09:32]:
> It wasn't. The regression is that the driver no longer probes at first
> try, because its dependencies are now probed later. The question is:
> why are the dependencies now probed later? How to fix that?
I'm afraid that may be unfixable.. It depends on th
From: Christopher M. Riedl
> Sent: 28 January 2021 04:04
>
> Reuse the "safe" implementation from signal.c except for calling
> unsafe_copy_from_user() to copy into a local buffer.
>
> Signed-off-by: Christopher M. Riedl
> ---
> arch/powerpc/kernel/signal.h | 33
Maximum recursive depth of MCE is 4, Considering the maximum depth
allowed reduce the size of event to 10 from 100. This saves us ~19kB
of memory and has no fatal consequences.
Signed-off-by: Ganesh Goudar
---
v4: This patch is a fragment of the orignal patch which is
split into two.
v5: No
Access to per-cpu variables requires translation to be enabled on
pseries machine running in hash mmu mode, Since part of MCE handler
runs in realmode and part of MCE handling code is shared between ppc
architectures pseries and powernv, it becomes difficult to manage
these variables differently on
Utilize the defined parameter 'dev' to make the code cleaner.
Signed-off-by: Tang Bin
---
sound/soc/fsl/fsl_spdif.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 455f96908..b6d5563df 100644
--- a/sound/s
Le 28/01/2021 à 11:38, David Laight a écrit :
From: Christopher M. Riedl
Sent: 28 January 2021 04:04
Reuse the "safe" implementation from signal.c except for calling
unsafe_copy_from_user() to copy into a local buffer.
Signed-off-by: Christopher M. Riedl
---
arch/powerpc/kernel/signal.h
The description of the RT offset and the values for 'normal' tasks needs
update. Moreover there are DL tasks now.
task_prio() has to stay like it is to guarantee compatibility with the
/proc//stat priority field:
# cat /proc//stat | awk '{ print $18; }'
Signed-off-by: Dietmar Eggemann
---
ker
The only remaining use of MAX_USER_PRIO (and USER_PRIO) is the
SCALE_PRIO() definition in the PowerPC Cell architecture's Synergistic
Processor Unit (SPU) scheduler. TASK_USER_PRIO isn't used anymore.
Commit fe443ef2ac42 ("[POWERPC] spusched: Dynamic timeslicing for
SCHED_OTHER") copied SCALE_PRIO
(1) Removing MAX_USER_RT_PRIO was already discussed here in April 2020:
https://lkml.kernel.org/r/20200423094403.6f1d2...@gandalf.local.home
(2) USER_PRIO() and related macros are not used anymore except in one
case for powerpc where MAX_USER_PRIO can be replaced by NICE_WIDTH.
Set_lo
Commit d46523ea32a7 ("[PATCH] fix MAX_USER_RT_PRIO and MAX_RT_PRIO")
was introduced due to a a small time period in which the realtime patch
set was using different values for MAX_USER_RT_PRIO and MAX_RT_PRIO.
This is no longer true, i.e. now MAX_RT_PRIO == MAX_USER_RT_PRIO.
Get rid of MAX_USER_R
On Wed, Jan 27, 2021 at 08:06:37PM -0700, Jens Axboe wrote:
> On 1/27/21 8:13 PM, Zorro Lang wrote:
> > On Thu, Jan 28, 2021 at 10:18:07AM +1000, Nicholas Piggin wrote:
> >> Excerpts from Jens Axboe's message of January 28, 2021 5:29 am:
> >>> On 1/27/21 9:38 AM, Christophe Leroy wrote:
>
> >>
On 1/28/21 6:52 AM, Zorro Lang wrote:
> On Wed, Jan 27, 2021 at 08:06:37PM -0700, Jens Axboe wrote:
>> On 1/27/21 8:13 PM, Zorro Lang wrote:
>>> On Thu, Jan 28, 2021 at 10:18:07AM +1000, Nicholas Piggin wrote:
Excerpts from Jens Axboe's message of January 28, 2021 5:29 am:
> On 1/27/21 9:3
Le 28/01/2021 à 15:42, Jens Axboe a écrit :
On 1/28/21 6:52 AM, Zorro Lang wrote:
On Wed, Jan 27, 2021 at 08:06:37PM -0700, Jens Axboe wrote:
On 1/27/21 8:13 PM, Zorro Lang wrote:
On Thu, Jan 28, 2021 at 10:18:07AM +1000, Nicholas Piggin wrote:
Excerpts from Jens Axboe's message of January
On Thu, Jan 28, 2021 at 03:44:21PM +0100, Christophe Leroy wrote:
>
>
> Le 28/01/2021 à 15:42, Jens Axboe a écrit :
> > On 1/28/21 6:52 AM, Zorro Lang wrote:
> > > On Wed, Jan 27, 2021 at 08:06:37PM -0700, Jens Axboe wrote:
> > > > On 1/27/21 8:13 PM, Zorro Lang wrote:
> > > > > On Thu, Jan 28, 2
On Wed, Jan 27, 2021 at 02:49:38PM +0100, Jessica Yu wrote:
>> #ifdef CONFIG_MODULE_SIG
>> /* Signature was verified. */
>> bool sig_ok;
>> @@ -592,7 +580,6 @@ struct symsearch {
>> GPL_ONLY,
>> WILL_BE_GPL_ONLY,
>> } license;
>> -bool unused;
>> };
> T
On Wed, Jan 27, 2021 at 01:58:21PM +0100, Petr Mladek wrote:
> > --- a/kernel/livepatch/core.c
> > +++ b/kernel/livepatch/core.c
> > @@ -54,9 +54,6 @@ static void klp_find_object_module(struct klp_object *obj)
> > {
> > struct module *mod;
> >
> > - if (!klp_is_module(obj))
> > -
On Thu, Jan 28, 2021 at 05:22:40PM +0100, Christoph Hellwig wrote:
> > We need to either update the function description or keep this check.
> >
> > I prefer to keep the check. The function does the right thing also
> > for the object "vmlinux". Also the livepatch code includes many
> > similar pa
On 2021/01/15 11:46AM, Ravi Bangoria wrote:
> Compiling kernel with -Warray-bounds throws below warning:
>
> In function 'emulate_vsx_store':
> warning: array subscript is above array bounds [-Warray-bounds]
> buf.d[2] = byterev_8(reg->d[1]);
> ~^~~
> buf.d[3] = byterev_8(reg->d[0]);
The static inline get_cxl_module function is entirely unused since commit
8bf6b91a5125a ("Revert "powerpc/powernv: Add support for the cxl kernel
api on the real phb"), so remove it.
Signed-off-by: Christoph Hellwig
Reviewed-by: Andrew Donnellan
---
arch/powerpc/platforms/powernv/pci-cxl.c | 22
Hi all,
this series removes support for long term unused export types and
cleans up various loose ends in the module loader.
Changes since v1:
- move struct symsearch to module.c
- rework drm to not call find_module at all
- llow RCU-sched locking for find_module
- keep find_module as a publi
drm_fb_helper_modinit has a lot of boilerplate for what is not very
simple functionality. Just open code it in the only caller using
IS_ENABLED and IS_MODULE, and skip the find_module check as a
request_module is harmless if the module is already loaded (and not
other caller has this find_module c
Allow for a RCU-sched critical section around find_module, following
the lower level find_module_all helper, and switch the two callers
outside of module.c to use such a RCU-sched critical section instead
of module_mutex.
Signed-off-by: Christoph Hellwig
---
include/linux/module.h | 2 +-
k
find_module is not used by modular code any more, and random driver code
has no business calling it to start with.
Signed-off-by: Christoph Hellwig
---
kernel/module.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/module.c b/kernel/module.c
index 4bf30e4b3eaaa1..981302f616b411 1006
Require an explicit call to module_kallsyms_on_each_symbol to look
for symbols in modules instead of the call from kallsyms_on_each_symbol,
and acquire module_mutex inside of module_kallsyms_on_each_symbol instead
of leaving that up to the caller.
Signed-off-by: Christoph Hellwig
---
kernel/kall
kallsyms_on_each_symbol and module_kallsyms_on_each_symbol are only used
by the livepatching code, so don't build them if livepatching is not
enabled.
Signed-off-by: Christoph Hellwig
---
include/linux/kallsyms.h | 17 -
include/linux/module.h | 16
kernel/kall
each_symbol_in_section just contains a trivial loop over its arguments.
Just open code the loop in the two callers.
Signed-off-by: Christoph Hellwig
---
kernel/module.c | 29 +++--
1 file changed, 7 insertions(+), 22 deletions(-)
diff --git a/kernel/module.c b/kernel/mod
each_symbol_section is only called by find_symbol, so merge the two
functions.
Signed-off-by: Christoph Hellwig
---
kernel/module.c | 148 ++--
1 file changed, 69 insertions(+), 79 deletions(-)
diff --git a/kernel/module.c b/kernel/module.c
index 945f
Except for two lockdep asserts module_mutex is only used in module.c.
Remove the two asserts given that the functions they are in are not
exported and just called from the module code, and mark module_mutex
static.
Signed-off-by: Christoph Hellwig
---
include/linux/module.h | 2 --
kernel/module
Simplify the calling convention by passing the find_symbol_args structure
to find_symbol instead of initializing it inside the function.
Signed-off-by: Christoph Hellwig
---
kernel/module.c | 113 ++--
1 file changed, 52 insertions(+), 61 deletions(-)
struct symsearch is only used inside of module.h, so move the definition
out of module.h.
Signed-off-by: Christoph Hellwig
---
include/linux/module.h | 11 ---
kernel/module.c| 11 +++
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/include/linux/module.h
As far as I can tell this has never been used at all, and certainly
not any time recently.
Signed-off-by: Christoph Hellwig
---
arch/x86/tools/relocs.c | 4 ++--
include/asm-generic/vmlinux.lds.h | 14 --
include/linux/export.h| 1 -
include/linux/module.h
EXPORT_UNUSED_SYMBOL* is not actually used anywhere. Remove the
unused functionality as we generally just remove unused code anyway.
Signed-off-by: Christoph Hellwig
---
arch/arm/configs/bcm2835_defconfig | 1 -
arch/arm/configs/mxs_defconfig | 1 -
arch/mips/configs/nlm
On 1/28/21 1:51 AM, Masahiro Yamada wrote:
> As of v5.11-rc1, 12 architectures duplicate similar shell scripts in
> order to generate syscall table headers. My goal is to unify them into
> the single scripts/syscalltbl.sh.
>
> This commit converts parisc to use scripts/syscalltbl.sh. This also
> un
Uwe Kleine-König [u...@kleine-koenig.org] wrote:
> The driver core ignores the return value of struct bus_type::remove()
> because there is only little that can be done. To simplify the quest to
> make this function return void, let struct vio_driver::remove() return
> void, too. All users alread
Hello Sukadev,
On 1/28/21 8:07 PM, Sukadev Bhattiprolu wrote:
Slightly off-topic, should ndo_stop() also return a void? Its return value
seems to be mostly ignored and [...]
I don't know enough about the network stack to tell. Probably it's a
good idea to start a separate thread for this and
Hi Christoph,
Christoph Hellwig writes:
> diff --git a/kernel/module.c b/kernel/module.c
> index 981302f616b411..6772fb2680eb3e 100644
> --- a/kernel/module.c
> +++ b/kernel/module.c
> @@ -668,7 +668,6 @@ static struct module *find_module_all(const char *name,
> size_t len,
>
> struct modu
Returning -EBUSY in ibmvnic_remove() does not actually hold the
removal procedure since driver core doesn't care for the return
value (see __device_release_driver() in drivers/base/dd.c
calling dev->bus->remove()) though vio_bus_remove
(in arch/powerpc/platforms/pseries/vio.c) records the
return va
On Thu, Jan 28, 2021 at 05:50:56PM -0300, Thiago Jung Bauermann wrote:
> > struct module *find_module(const char *name)
> > {
> > - module_assert_mutex();
>
> Does it make sense to replace the assert above with the warn below (untested)?
>
> RCU_LOCKDEP_WARN(rcu_read_lock_sched_held());
On Wed, Jan 20, 2021 at 06:57:24PM +, Christophe Leroy wrote:
> Talitos Security Engine AESU considers any input
> data size that is not a multiple of 16 bytes to be an error.
> This is not a problem in general, except for Counter mode
> that is a stream cipher and can have an input of any size
On Thu, Jan 28, 2021 at 03:44:21PM +0100, Christophe Leroy wrote:
>
>
> Le 28/01/2021 à 15:42, Jens Axboe a écrit :
> > On 1/28/21 6:52 AM, Zorro Lang wrote:
> > > On Wed, Jan 27, 2021 at 08:06:37PM -0700, Jens Axboe wrote:
> > > > On 1/27/21 8:13 PM, Zorro Lang wrote:
> > > > > On Thu, Jan 28, 2
Compiling kernel with -Warray-bounds throws below warning:
In function 'emulate_vsx_store':
warning: array subscript is above array bounds [-Warray-bounds]
buf.d[2] = byterev_8(reg->d[1]);
~^~~
buf.d[3] = byterev_8(reg->d[0]);
~^~~
Fix it by using temporary array variable 'uni
On 1/28/21 10:50 PM, Naveen N. Rao wrote:
On 2021/01/15 11:46AM, Ravi Bangoria wrote:
Compiling kernel with -Warray-bounds throws below warning:
In function 'emulate_vsx_store':
warning: array subscript is above array bounds [-Warray-bounds]
buf.d[2] = byterev_8(reg->d[1]);
~
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