This patch ensures the cpus to kexec/reboot at nominal frequency.
Nominal frequency is the highest cpu frequency on PowerPC at
which the cores can run without getting throttled.
If the host kernel had set the cpus to a low pstate and then it
kexecs/reboots to a cpufreq disabled kernel it would
MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent
overwrite of the contents since MADV_FREE syscall is called for
THP page.
This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE
support.
Cc: Benjamin Herrenschmidt b...@kernel.crashing.org
Cc: Paul Mackerras
device_add() expects that any memory allocated via devm_* API is only
done in the device's probe function.
Fix below boot warning:
[3.092348] WARNING: at drivers/base/dd.c:286
[3.096637] Modules linked in:
[3.099697] CPU: 0 PID: 25 Comm: kworker/u2:1 Tainted: G W
From: Igal Liberman igal.liber...@freescale.com
The Frame Manager (FMan) combines the Ethernet network interfaces with packet
distribution logic to provide intelligent distribution and queuing decisions
for incoming traffic at line rate.
This binding document describes Freescale's Frame Manager
Hi
On Sun, Aug 31, 2014 at 2:52 PM, Pranith Kumar bobby.pr...@gmail.com wrote:
Hi Geert,
On Sun, Aug 31, 2014 at 4:53 AM, Geert Uytterhoeven
ge...@linux-m68k.org wrote:
Hi Pranith,
On Sat, Aug 30, 2014 at 5:36 AM, Pranith Kumar bobby.pr...@gmail.com wrote:
I see that the three syscalls
From: Shilpa Bhat
Hi Viresh,
On Fri, 2014-08-29 at 05:33 +0530, Viresh Kumar wrote:
On 28 August 2014 19:36, Shilpasri G Bhat
shilpa.b...@linux.vnet.ibm.com wrote:
Changes v1-v2:
Invoke .target() driver callback to set the cpus to nominal frequency
in reboot notifier, instead of
Hi
On Sun, Aug 31, 2014 at 7:51 PM, Pranith Kumar bobby.pr...@gmail.com wrote:
On 08/31/2014 10:34 AM, David Herrmann wrote:
The only arch-dependent code for memfd_test.c is the syscall invocation:
memfd_create(const char *name, unsigned int flags);
via glibc as:
Hi David,
On Mon, Sep 1, 2014 at 7:33 AM, David Herrmann dh.herrm...@gmail.com wrote:
Nice catch. We changed 'flags' from u64 to unsigned int in the last
revision of the series. Patch looks good, but I'd prefer using
unsigned int as type, instead of __u32. Just to be consistent with
the
Hi
On Mon, Sep 1, 2014 at 5:21 PM, Pranith Kumar bobby.pr...@gmail.com wrote:
Hi David,
On Mon, Sep 1, 2014 at 7:33 AM, David Herrmann dh.herrm...@gmail.com wrote:
Nice catch. We changed 'flags' from u64 to unsigned int in the last
revision of the series. Patch looks good, but I'd prefer
On Mon, Sep 1, 2014 at 11:31 AM, David Herrmann dh.herrm...@gmail.com wrote:
Btw., the original patch (wire up syscalls) can be applied unchanged.
Great! Can I use that as an Ack-by? I will send in the patch with
updated changelog.
--
Pranith
___
Hi
On Mon, Sep 1, 2014 at 7:16 PM, Pranith Kumar bobby.pr...@gmail.com wrote:
On Mon, Sep 1, 2014 at 11:31 AM, David Herrmann dh.herrm...@gmail.com wrote:
Btw., the original patch (wire up syscalls) can be applied unchanged.
Great! Can I use that as an Ack-by? I will send in the patch with
This patch wires up three new syscalls for powerpc. The three
new syscalls are seccomp, getrandom and memfd_create.
Signed-off-by: Pranith Kumar bobby.pr...@gmail.com
Reviewed-by: David Herrmann dh.herrm...@gmail.com
---
arch/powerpc/include/asm/systbl.h | 3 +++
On PowerNV platforms, when a CPU is offline, we put it into nap mode.
It's possible that the CPU wakes up from nap mode while it is still
offline due to a stray IPI. A misdirected device interrupt could also
potentially cause it to wake up. In that circumstance, we need to clear
the interrupt so
This patch series modifies the code in arch/powerpc/lib/sstep.c so
that it can be used by KVM in its instruction emulation, thereby
reducing the number of different PowerPC instruction emulators that we
have in the kernel. It does this by splitting the existing
emulate_step() function into two:
This splits out the instruction analysis part of emulate_step() into
a separate analyse_instr() function, which decodes the instruction,
but doesn't execute any load or store instructions. It does execute
integer instructions and branches which can be executed purely by
updating register values
This extends the instruction emulation done by analyse_instr() and
emulate_step() to handle a few more instructions that are found in
the kernel.
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/include/asm/sstep.h | 1 +
arch/powerpc/lib/sstep.c | 60
The size field of the op.type word is now the total number of bytes
to be loaded or stored.
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/lib/sstep.c | 59
1 file changed, 49 insertions(+), 10 deletions(-)
diff --git
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