On 2019/4/9 下午9:14, Michael S. Tsirkin wrote:
On Tue, Apr 09, 2019 at 12:16:47PM +0800, Jason Wang wrote:
We set dirty bit through setting up kmaps and access them through
kernel virtual address, this may result alias in virtually tagged
caches that require a dcache flush afterwards.
Cc
plicitly in
defconfigs that enables CONFIG_VHOST_NET and CONFIG_VHOST_VSOCK.
Cc: Thomas Bogendoerfer
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: Christian Borntraeger
Reported-by: Geert Uytterhoeven
Signed-off-by: Jason Wang
---
arch/mip
On 2020/4/14 下午3:26, Christian Borntraeger wrote:
On 14.04.20 04:44, Jason Wang wrote:
We try to keep the defconfig untouched after decoupling CONFIG_VHOST
out of CONFIG_VIRTUALIZATION in commit 20c384f1ea1a
("vhost: refine vhost and vringh kconfig") by enabling VHOST_MENU by
def
, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url:
https://github.com/0day-ci/linux/commits/Jason-Wang/vhost-do-not-enable-VHOST_MENU-by-defaul
er
Reported-by: Geert Uytterhoeven
Signed-off-by: Jason Wang
---
Change since V1:
- depends on EVENTFD for VHOST
---
arch/mips/configs/malta_kvm_defconfig | 1 +
arch/powerpc/configs/powernv_defconfig | 1 +
arch/powerpc/configs/ppc64_defconfig | 1 +
arch/powerpc/configs/pseries_
On 2020/4/17 上午6:55, Michael S. Tsirkin wrote:
On Wed, Apr 15, 2020 at 10:43:56AM +0800, Jason Wang wrote:
We try to keep the defconfig untouched after decoupling CONFIG_VHOST
out of CONFIG_VIRTUALIZATION in commit 20c384f1ea1a
("vhost: refine vhost and vringh kconfig") by enabling
On 2020/4/17 下午2:33, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 11:12:14AM +0800, Jason Wang wrote:
On 2020/4/17 上午6:55, Michael S. Tsirkin wrote:
On Wed, Apr 15, 2020 at 10:43:56AM +0800, Jason Wang wrote:
We try to keep the defconfig untouched after decoupling CONFIG_VHOST
out of
On 2020/4/17 下午4:29, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 03:36:52PM +0800, Jason Wang wrote:
On 2020/4/17 下午2:33, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 11:12:14AM +0800, Jason Wang wrote:
On 2020/4/17 上午6:55, Michael S. Tsirkin wrote:
On Wed, Apr 15, 2020 at 10:43
On 2020/4/17 下午4:46, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 04:39:49PM +0800, Jason Wang wrote:
On 2020/4/17 下午4:29, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 03:36:52PM +0800, Jason Wang wrote:
On 2020/4/17 下午2:33, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 11:12
On 2020/4/17 下午5:25, Geert Uytterhoeven wrote:
Hi Michael,
On Fri, Apr 17, 2020 at 10:57 AM Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 04:51:19PM +0800, Jason Wang wrote:
On 2020/4/17 下午4:46, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 04:39:49PM +0800, Jason Wang wrote:
On
On 2020/4/17 下午5:01, Michael S. Tsirkin wrote:
There could be some misunderstanding here. I thought it's somehow similar: a
CONFIG_VHOST_MENU=y will be left in the defconfigs even if CONFIG_VHOST is
not set.
Thanks
BTW do entries with no prompt actually appear in defconfig?
Yes. I can see
On 2020/4/17 下午5:38, Michael S. Tsirkin wrote:
On Fri, Apr 17, 2020 at 05:33:56PM +0800, Jason Wang wrote:
On 2020/4/17 下午5:01, Michael S. Tsirkin wrote:
There could be some misunderstanding here. I thought it's somehow similar: a
CONFIG_VHOST_MENU=y will be left in the defconfigs ev
On 2019/1/30 上午3:02, Michael S. Tsirkin wrote:
On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
Fixing address of powerpc mailing list.
Thiago Jung Bauermann writes:
Hello,
With Christoph's rework of the DMA API that recently landed, the patch
below is the only chang
On 2019/1/30 上午10:36, Michael S. Tsirkin wrote:
On Wed, Jan 30, 2019 at 10:24:01AM +0800, Jason Wang wrote:
On 2019/1/30 上午3:02, Michael S. Tsirkin wrote:
On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
Fixing address of powerpc mailing list.
Thiago Jung Bauermann
On 2018年08月03日 04:55, Michael S. Tsirkin wrote:
On Fri, Jul 20, 2018 at 09:29:37AM +0530, Anshuman Khandual wrote:
This patch series is the follow up on the discussions we had before about
the RFC titled [RFC,V2] virtio: Add platform specific DMA API translation
for virito devices (https://pa
On 2019/10/15 下午3:35, Christoph Hellwig wrote:
On Fri, Oct 11, 2019 at 06:25:19PM -0700, Ram Pai wrote:
From: Thiago Jung Bauermann
Normally, virtio enables DMA API with VIRTIO_F_IOMMU_PLATFORM, which must
be set by both device and guest driver. However, as a hack, when DMA API
returns physi
On 2021/2/11 下午7:52, Arnd Bergmann wrote:
On Wed, Feb 10, 2021 at 8:05 PM Anders Roxell wrote:
Since patch ("virtio-pci: introduce modern device module") got added it
is not possible to boot a defconfig kernel in qemu with a virtio pci
device. Add CONFIG_VIRTIO_PCI_MODERN=y fragment makes th
The double `the' in the comment in line 212 is repeated. Remove one
of them from the comment.
Signed-off-by: Jason Wang
---
arch/powerpc/kvm/book3s_xive_native.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_xive_native.c
b/arch/powerp
The double word `up' in a comment is repeated, thus one of
them should be removed.
Signed-off-by: Jason Wang
---
drivers/macintosh/mediabay.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
The double `is' in a comment is repeated, thus one of them
should be removed.
Signed-off-by: Jason Wang
---
drivers/soc/fsl/qe/qe.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c
index 4d38c80f8be8..b3c226eb5292 1
EXPORT_SYMBOL(foo); should immediately follow its function/variable.
Signed-off-by: Jason Wang
---
arch/powerpc/sysdev/tsi108_dev.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
index 4c4a6efd5e5f
The ARRAY_SIZE macro is more compact and more formal in linux source.
Signed-off-by: Jason Wang
---
arch/powerpc/kernel/sysfs.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 2e08640bb3b4
The ARRAY_SIZE macro is more compact and formal to get array size in
linux kernel source. In addition, it is more readable for kernel
developpers. Thus, we can replace all sizeof(arr)/sizeof(arr[0]) with
ARRAY_SIZE.
Signed-off-by: Jason Wang
---
arch/powerpc/xmon/ppc-opc.c | 16
The BUG_ON macro simplifies the if condition followed by BUG, but it
will lead to the kernel crashing. Therefore, we can try using WARN_ON
instead of if condition followed by BUG.
Signed-off-by: Jason Wang
---
arch/powerpc/platforms/cell/spufs/sched.c | 4 ++--
1 file changed, 2 insertions
The BUG_ON macro simplifies the if condition followed by BUG, so that
we can use BUG_ON instead of if condition followed by BUG.
Signed-off-by: Jason Wang
---
arch/powerpc/platforms/cell/spufs/sched.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms
The ARRAY_SIZE is the macro definition of sizeof(a)/sizeof(a[0]) and
it is more compact and formal to get a array size.
Signed-off-by: Jason Wang
---
arch/powerpc/xmon/ppc-opc.c | 12
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/xmon/ppc-opc.c b/arch
Replace the 'unsigned' with 'unsigned int' which is more accurate.
Signed-off-by: Jason Wang
---
arch/powerpc/perf/hv-24x7.c | 38 ++---
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/po
eath it, unlike the
current strlcpy() implementation.
Thus, We prefer using strscpy instead of strlcpy.
Signed-off-by: Jason Wang
---
arch/powerpc/platforms/powermac/bootx_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c
b/arch/powe
Global static variables dont need to be initialised to 0. Because
the compiler will initilise them.
Signed-off-by: Jason Wang
---
drivers/macintosh/mediabay.c | 10 ++---
drivers/macintosh/via-pmu.c | 78 ++--
2 files changed, 44 insertions(+), 44 deletions
The double `is' in the comment in line 150 is repeated. Remove one
of them from the comment.
Signed-off-by: Jason Wang
---
drivers/soc/fsl/qe/qe.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c
index 4d38c80
Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initialization.
Signed-off-by: Jason Wang
---
arch/powerpc/kvm/book3s_64_mmu_host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a
than strlcpy()'s. In addition, the implementation
is robust to the string changing out from underneath it, unlike the
current strlcpy() implementation.
Thus, replace strlcpy with strscpy.
Signed-off-by: Jason Wang
---
arch/powerpc/platforms/pasemi/misc.c | 2 +-
1 file changed, 1 insertion(+),
On Sat, Aug 24, 2024 at 11:58 AM Christoph Hellwig wrote:
>
> Hi all,
>
> we've had a long standing problems where drivers try to hook into the
> DMA_OPS mechanisms to override them for something that is not DMA, or
> to introduce additional dispatching.
>
> Now that we are not using DMA_OPS suppo
On Mon, Aug 26, 2024 at 2:16 PM Jason Wang wrote:
>
> On Sat, Aug 24, 2024 at 11:58 AM Christoph Hellwig wrote:
> >
> > Hi all,
> >
> > we've had a long standing problems where drivers try to hook into the
> > DMA_OPS mechanisms to override them for somet
On Mon, Aug 26, 2024 at 2:30 PM Christoph Hellwig wrote:
>
> On Mon, Aug 26, 2024 at 02:27:27PM +0800, Jason Wang wrote:
> > Actually I meant, we can extend the virtio_config_ops to allow mapping
> > ops there, then simulator and VDUSE can hook the map ops there.
>
>
The double `that' in line 1604 is duplicated, removed one.
Signed-off-by: Jason Wang
---
arch/powerpc/kvm/book3s_64_mmu_hv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c
b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 514fd45
The double `the' in line 807 is duplicated, remove one.
Signed-off-by: Jason Wang
---
arch/powerpc/platforms/pseries/vas.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/pseries/vas.c
b/arch/powerpc/platforms/pseries/vas.c
index 91e7eda
The double `that' is duplicated in line 1604, remove one.
Signed-off-by: Jason Wang
---
arch/powerpc/kvm/book3s_64_mmu_hv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c
b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 514fd45
The double `that' is duplicated in line 1604, remove one.
Signed-off-by: Jason Wang
---
arch/powerpc/kvm/book3s_64_mmu_hv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c
b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 514fd45
The double `is' is duplicated in line 110, remove one.
Signed-off-by: Jason Wang
---
arch/powerpc/sysdev/cpm2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index 3f130312b6e9..915f4d3991c3 100644
--- a/arch/po
The double `when' is duplicated in line 1069, remove one.
Signed-off-by: Jason Wang
---
drivers/ps3/ps3-lpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c
index 65512b6cc6fd..200ad8751860 100644
--- a/drivers/ps3/ps3-
Initialise global and static variable to 0 is always unnecessary.
Remove the unnecessary initialisations.
Signed-off-by: Jason Wang
---
arch/powerpc/kexec/core_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c
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