[Patch v4 2/9] iommu/amd: Use standard bitmap operation to set bitmap

It will be more readable then the old setting. Signed-off-by: Baoquan He --- drivers/iommu/amd_iommu.c | 2 +- drivers/iommu/amd_iommu_init.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 9ec7cad..cc636e6

[Patch v4 1/9] iommu/amd: clean up the cmpxchg64 invocation

Change it as it's designed for and keep it consistent with other places. Signed-off-by: Baoquan He --- drivers/iommu/amd_iommu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 5efadad..9ec7cad 100644 --- a/drivers

RE: [PATCH V7 00/11] Support for generic ACPI based PCI host controller

Hi Lorenzo > -Original Message- > From: Lorenzo Pieralisi [mailto:lorenzo.pieral...@arm.com] > Sent: 24 May 2016 18:24 > To: Bjorn Helgaas > Cc: Gabriele Paoloni; Ard Biesheuvel; Jon Masters; Tomasz Nowicki; > a...@arndb.de; will.dea...@arm.com; catalin.mari...@arm.com; > raf...@kernel.org

Re: sem_lock() vs qspinlocks

On Mon, May 23, 2016 at 10:52:09AM -0700, Linus Torvalds wrote: > On Mon, May 23, 2016 at 5:25 AM, Peter Zijlstra wrote: > > > > Paul has smp_mb__after_unlock_lock() for the RCpc 'upgrade'. How about > > something like: > > > > smp_mb__after_lock() > > I'd much rather make the naming be h

Re: [PATCH] hwrng: stm32 - fix build warning

On Tuesday 24 May 2016 02:05 AM, Arnd Bergmann wrote: On Monday, May 23, 2016 6:14:08 PM CEST Sudip Mukherjee wrote: We have been getting build warning about: drivers/char/hw_random/stm32-rng.c: In function 'stm32_rng_read': drivers/char/hw_random/stm32-rng.c:82:19: warning: 'sr' may be used

[PATCH] pinctrl: pinconf: separate config parameters with commas for debugfs

To improve debugfs readability, use commas instead of whitespaces for separating configuration parameters. For example, the "pinconf-pins" dump on my board will change as follows: Without this commit: # head -5 pinconf-pins Pin config settings per pin Format: pin (name): configs pin 0 (ED0):

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Re: [PATCH 0/2] ARM: dts: Fix imprecise external abort error when accessing Exynos MFC

Hello, On 2016-05-24 19:41, Javier Martinez Canillas wrote: This series fixes an imprecise external abort error when accessing the Exynos MFC registers due the power domain configuration requiring the aclk333 clock to be enabled during a domain switch. There isn't a dependency between the cloc

[PATCH v2] net: alx: use custom skb allocator

This patch follows Eric Dumazet's commit 7b70176421 for Atheros atl1c driver to fix one exactly same bug in alx driver, that the network link will be lost in 1-5 minutes after the device is up. My laptop Lenovo Y580 with Atheros AR8161 ethernet device hit the same problem with kernel 4.4, and it w

Re: [PATCH 09/16] sched/fair: Let asymmetric cpu configurations balance at wake-up

2016-05-23 18:58 GMT+08:00 Morten Rasmussen : > Currently, SD_WAKE_AFFINE always takes priority over wakeup balancing if > SD_BALANCE_WAKE is set on the sched_domains. For asymmetric > configurations SD_WAKE_AFFINE is only desirable if the waking task's > compute demand (utilization) is suitable fo

Re: ioatdma(Intel(R) I/OAT DMA Engine init failed)

On Fri, May 20, 2016 at 6:17 AM, Yinghai Lu wrote: > On Thu, May 19, 2016 at 1:17 PM, Jiang, Dave wrote: >>> > > And I checked the config and found the CONFIG_PCI_MMCONFIG=y. The >>> > > following string also can be observed in the dmesg: >>> > > >>> > > [1.419853] PCI: MMCONFIG for domain 00

Re: [PATCH] pinctrl: digicolor: add missing platform_set_drvdata() call

Hi Masahiro Yamada, On Wed, May 25, 2016 at 02:58:52PM +0900, Masahiro Yamada wrote: > gc_pinctrl_remove() calls platform_get_drvdata(), but I see neither > platform_set_drvdata() nor dev_set_drvdata() anywhere in this driver. > > Signed-off-by: Masahiro Yamada Acked-by: Baruch Siach Thanks,

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