On Tue, Jul 03, 2018 at 10:17:19AM +0800, lijiang wrote:
> for example, the elfcorehdr. In fact, the elfcorehdr and notes
You mean this?
ssize_t __weak elfcorehdr_read_notes(char *buf, size_t count, u64 *ppos)
{
- return read_from_oldmem(buf, count, ppos, 0);
+ return read_from_oldm
On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
> Currently tag is being assigned but not used, it is missing from
> the dev_err message, so add it in.
>
> Cleans up clang warning:
> warning: variable 'tag' set but not used [-Wunused-but-set-variable]
[]
> diff --git a/drivers/iommu/amd_iommu
Hi Alex,
> -Original Message-
> From: Tian, Kevin [mailto:kevin.t...@intel.com]
> Sent: 08 June 2018 03:56
> To: Alex Williamson
> Cc: dw...@infradead.org; iommu@lists.linux-foundation.org;
> k...@vger.kernel.org; linux-ker...@vger.kernel.org; Shameerali Kolothum
> Thodi
> Subject: RE: [
在 2018年07月03日 10:17, lijiang 写道:
> 在 2018年07月02日 18:14, Borislav Petkov 写道:
>> On Mon, Jul 02, 2018 at 03:26:35PM +0800, Lianbo Jiang wrote:
>>> @@ -131,7 +132,8 @@ static void __ioremap_check_mem(resource_size_t addr,
>>> unsigned long size,
>>> * caller shouldn't need to know that small detail
On Tue, Jul 03, 2018 at 06:58:14PM +0800, lijiang wrote:
> For kdump, the elf header finally use the crash kernel reserved memory, it is
> not an old memory.
Lamme repeat my suggestion:
So beef up the logic in __ioremap_caller() to figure out based on the
address whether to access the memory enc
在 2018年07月03日 17:39, Borislav Petkov 写道:
> On Tue, Jul 03, 2018 at 10:17:19AM +0800, lijiang wrote:
>> for example, the elfcorehdr. In fact, the elfcorehdr and notes
>
> You mean this?
>
> ssize_t __weak elfcorehdr_read_notes(char *buf, size_t count, u64 *ppos)
> {
> - return read_from_ol
在 2018年07月03日 19:14, Borislav Petkov 写道:
> On Tue, Jul 03, 2018 at 06:58:14PM +0800, lijiang wrote:
>> For kdump, the elf header finally use the crash kernel reserved memory, it
>> is not an old memory.
>
> Lamme repeat my suggestion:
>
> So beef up the logic in __ioremap_caller() to figure out
On Thu, 2018-06-07 at 09:01 -0600, Alex Williamson wrote:
>
> > intel_iommu_get_resv_regions is used not just for IOMMU API. I'm
> > afraid doing so will make RMRR completely ignored, even in normal
> > DMA API path...
>
> Well, I'm a bit stuck then, we have existing IOMMU API users that
> ignore
On 07/03/2018 01:40 AM, Colin King wrote:
From: Colin Ian King
Currently tag is being assigned but not used, it is missing from
the dev_err message, so add it in.
Cleans up clang warning:
warning: variable 'tag' set but not used [-Wunused-but-set-variable]
Fixes: e7f63ffc1bf1 ("iommu/amd: Upd
On 07/03/2018 05:07 AM, Joe Perches wrote:
On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
Currently tag is being assigned but not used, it is missing from
the dev_err message, so add it in.
Cleans up clang warning:
warning: variable 'tag' set but not used [-Wunused-but-set-variable]
[]
The reasons why dma_free_attrs() should not be called from IRQ context
are not necessarily obvious and somewhat buried in the development
history, so let's start by documenting the warning itself to help anyone
who does happen to hit it and wonder what the deal is.
However, this check turns out to
On 20/05/18 14:49, Nipun Gupta wrote:
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
Reviewed-by: Rob Herring
On 20/05/18 14:49, Nipun Gupta wrote:
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no
functional change done in the API.
On 20/05/18 14:49, Nipun Gupta wrote:
With of_pci_map_rid available for all the busses, use the function
for configuration of devices on fsl-mc bus
FWIW I had a quick hack at factoring out the commonality with
of_pci_iommu_init(), at which point I reckon this change is easier to
follow as-is
On 20/05/18 14:49, Nipun Gupta wrote:
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 21 +
inclu
On 20/05/18 14:49, Nipun Gupta wrote:
This patch adds support of dma configuration for devices on fsl-mc
bus using 'dma_configure' callback for busses. Also, directly calling
arch_setup_dma_ops is removed from the fsl-mc bus.
Looks like this is the final arch_setup_dma_ops offender, yay!
Sign
On 20/05/18 14:49, Nipun Gupta wrote:
of_dma_configure() API expects coherent_dma_mask to be correctly
set in the devices. This patch does the needful.
Reviewed-by: Robin Murphy
Signed-off-by: Nipun Gupta
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 1 +
1 file changed, 1 insertion(+)
diff --g
On 7/3/2018 10:55 AM, Joe Perches wrote:
On Tue, 2018-07-03 at 07:56 -0500, Gary R Hook wrote:
On 07/03/2018 05:07 AM, Joe Perches wrote:
On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
Currently tag is being assigned but not used, it is missing from
the dev_err message, so add it in.
Cl
On 03/07/18 17:21, Hook, Gary wrote:
> On 7/3/2018 10:55 AM, Joe Perches wrote:
>> On Tue, 2018-07-03 at 07:56 -0500, Gary R Hook wrote:
>>> On 07/03/2018 05:07 AM, Joe Perches wrote:
On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
> Currently tag is being assigned but not used, it is
On 7/3/2018 11:24 AM, Colin Ian King wrote:
On 03/07/18 17:21, Hook, Gary wrote:
On 7/3/2018 10:55 AM, Joe Perches wrote:
On Tue, 2018-07-03 at 07:56 -0500, Gary R Hook wrote:
On 07/03/2018 05:07 AM, Joe Perches wrote:
On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
Currently tag is bei
On 20/05/18 14:49, Nipun Gupta wrote:
fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
On Tue, 2018-07-03 at 11:27 -0500, Hook, Gary wrote:
> On 7/3/2018 11:24 AM, Colin Ian King wrote:
> > On 03/07/18 17:21, Hook, Gary wrote:
> > > On 7/3/2018 10:55 AM, Joe Perches wrote:
> > > > On Tue, 2018-07-03 at 07:56 -0500, Gary R Hook wrote:
> > > > > On 07/03/2018 05:07 AM, Joe Perches wrot
Thank you Robin,
On Tue, Jul 03, 2018 at 02:08:30PM +0100, Robin Murphy wrote:
> The reasons why dma_free_attrs() should not be called from IRQ context
> are not necessarily obvious and somewhat buried in the development
> history, so let's start by documenting the warning itself to help anyone
>
On Tue, 2018-07-03 at 07:56 -0500, Gary R Hook wrote:
> On 07/03/2018 05:07 AM, Joe Perches wrote:
> > On Tue, 2018-07-03 at 07:40 +0100, Colin King wrote:
> > > Currently tag is being assigned but not used, it is missing from
> > > the dev_err message, so add it in.
> > >
> > > Cleans up clang wa
On Tue, 2018-07-03 at 18:57 +0200, Walter Harms wrote:
> It is only cosmetics but even the author got lost about the loose bracket.
> I would suggest to remove all the brackets or if needed to move the [ in the
> message. We have enought memory this days.
My suggestion would be to remove the separ
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