Le 26/07/2022 à 15:44, Segher Boessenkool a écrit :
> On Tue, Jul 26, 2022 at 11:02:59AM +0200, Arnd Bergmann wrote:
>> On Tue, Jul 26, 2022 at 10:34 AM Pali Rohár wrote:
>>> On Monday 25 July 2022 16:54:16 Segher Boessenkool wrote:
The EH field in larx insns is new since ISA 2.05, and some
On Sat, 2022-07-16 at 15:31 +0800, Liang He wrote:
> We should call of_node_put() for the reference 'gparent' escaped
> out of the for_each_child_of_node() as it has increased the refcount.
Same comment as before. That stuff happens once at boot, there's never
any dynamic allocation/deallocation o
On Sat, 2022-07-16 at 15:43 +0800, Liang He wrote:
> During the iteration of for_each_child_of_node(), we need to call
> of_node_put() for the old references stored in to 'ch_def' and 'ch_a'
> as their refcounters have been increased in last iteration.
None of these matter since those nodes are ne
Use pcie_aer_is_native() in place of "host->native_aer ||
pcie_ports_native" to judge whether OS has native control of AER
in aer_root_reset() and pcie_do_recovery().
Replace "dev->aer_cap && (pcie_ports_native || host->native_aer)" in
get_port_device_capability() with pcie_aer_is_native(), which
Hi Greg,
gjo...@linux.vnet.ibm.com writes:
> From: Greg Joyce
>
> Generic kernel subsystems may rely on platform specific persistent
> KeyStore to store objects containing sensitive key material. In such case,
> they need to access architecture specific functions to perform read/write
> operation
Having all the new files in place, we now enable Rust support
in the build system, including `Kconfig` entries related to Rust,
the Rust configuration printer, the target specification
generation script, the version detection script and a few
other bits.
Co-developed-by: Alex Gaynor
Signed-off-by
Rust support
This is the patch series (v8) to add support for Rust as a second
language to the Linux kernel.
If you are interested in following this effort, please join us in
the mailing list at:
rust-for-li...@vger.kernel.org
and take a look at the project itself at:
https://github.co
From: Stephen Hemminger
> Sent: 31 July 2022 20:06
> To: net...@vger.kernel.org
>
> Decnet is an obsolete network protocol that receives more attention
> from kernel janitors than users. It belongs in computer protocol
> history museum not in Linux kernel.
>
> It has been Orphaned in kernel since
On Mon, Aug 01, 2022 at 03:45:45PM -0400, Nayna wrote:
>
> On 8/1/22 09:40, Michal Suchánek wrote:
> > Hello,
> >
> > On Mon, Aug 01, 2022 at 07:34:25AM -0500, gjo...@linux.vnet.ibm.com wrote:
> > > From: Greg Joyce
> > >
> > > Generic kernel subsystems may rely on platform specific persistent
On 8/1/22 09:40, Michal Suchánek wrote:
Hello,
On Mon, Aug 01, 2022 at 07:34:25AM -0500, gjo...@linux.vnet.ibm.com wrote:
From: Greg Joyce
Generic kernel subsystems may rely on platform specific persistent
KeyStore to store objects containing sensitive key material. In such case,
they need
From: Michael Ellerman
[ Upstream commit be640317a1d0b9cf42fedb2debc2887a7cfa38de ]
With GCC 12 allmodconfig prom_init fails to build:
Error: External symbol 'memset' referenced from prom_init.c
make[2]: *** [arch/powerpc/kernel/Makefile:204:
arch/powerpc/kernel/prom_init_check] Error 1
T
From: Michael Ellerman
[ Upstream commit be640317a1d0b9cf42fedb2debc2887a7cfa38de ]
With GCC 12 allmodconfig prom_init fails to build:
Error: External symbol 'memset' referenced from prom_init.c
make[2]: *** [arch/powerpc/kernel/Makefile:204:
arch/powerpc/kernel/prom_init_check] Error 1
T
From: Michael Ellerman
[ Upstream commit be640317a1d0b9cf42fedb2debc2887a7cfa38de ]
With GCC 12 allmodconfig prom_init fails to build:
Error: External symbol 'memset' referenced from prom_init.c
make[2]: *** [arch/powerpc/kernel/Makefile:204:
arch/powerpc/kernel/prom_init_check] Error 1
T
Le 30/07/2022 à 02:04, Nathan Lynch a écrit :
> This adds a chardev+ioctl-based interface for user space to access pseries
> platform-specific functions which don't easily fit elsewhere.
>
> The immediate motivation is to unbreak librtas[1] with kernel lockdown
> enabled. librtas provides a thin r
On 2022-07-19 15:02, Jason A. Donenfeld wrote:
The archrandom interface was originally designed for x86, which
supplies
RDRAND/RDSEED for receiving random words into registers, resulting in
one function to generate an int and another to generate a long.
However,
other architectures don't follo
Hello,
On Mon, Aug 01, 2022 at 07:34:25AM -0500, gjo...@linux.vnet.ibm.com wrote:
> From: Greg Joyce
>
> Generic kernel subsystems may rely on platform specific persistent
> KeyStore to store objects containing sensitive key material. In such case,
> they need to access architecture specific fun
From: Greg Joyce
Self Encrypting Drives(SED) make use of POWER LPAR Platform KeyStore
for storing its variables. Thus the block subsystem needs to access
PowerPC specific functions to read/write objects in PLPKS.
Override the default implementations in lib/arch_vars.c file with
PowerPC specific
From: Greg Joyce
Generic kernel subsystems may rely on platform specific persistent
KeyStore to store objects containing sensitive key material. In such case,
they need to access architecture specific functions to perform read/write
operations on these variables.
Define the generic variable read
From: Greg Joyce
Architectural neutral functions have been defined for accessing
architecture specific variable store. The neutral functions are
defined as weak so that they may be superseded by platform
specific versions.
PowerPC/pseries versions of these functions provide read/write access
to
Nicholas Piggin writes:
> If the boot CPU tries to access per-cpu data of other CPUs before
> per cpu areas are set up, it will unexpectedly use offset 0.
>
> Try to catch such accesses by poisoning the __per_cpu_offset array.
I wasn't sure about this.
On bare metal it's just an instant checksto
GCC 12 thinks that `actual` might be used uninitialised. It's not, the
use is guarded by `bad_mmcr2` which is only set to true at the same
point where `actual` is initialised.
cycles_with_mmcr2_test.c: In function ‘cycles_with_mmcr2’:
cycles_with_mmcr2_test.c:81:17: error: ‘actual’ may be used
On Mon, 2022-07-25 at 16:25 +1000, Rohan McLure wrote:
> Syscall handlers should not be invoked internally by their symbol
> names,
> as these symbols defined by the architecture-defined SYSCALL_DEFINE
> macro. Fortunately, in the case of ppc64_personality, its call to
> sys_personality can be repl
On 7/31/22 1:06 PM, Stephen Hemminger wrote:
> Decnet is an obsolete network protocol that receives more attention
> from kernel janitors than users. It belongs in computer protocol
> history museum not in Linux kernel.
>
> It has been Orphaned in kernel since 2010.
> And the documentation link on
On Monday 01 August 2022 13:38:32 Michael Ellerman wrote:
> Rob Herring writes:
> > On Fri, Jul 29, 2022 at 7:17 AM Michael Ellerman
> > wrote:
> >>
> >> On Wed, 4 May 2022 20:08:22 +0200, Pali Rohár wrote:
> >> > DT law_trgt_if property defines Local Access Window Target Interface.
> >> >
> >> >
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