On 6/21/19 7:39 AM, Jason Gunthorpe wrote:
> On Tue, Jun 11, 2019 at 04:40:47PM +0200, Christoph Hellwig wrote:
>> This will allow sparc64 to override its ADI tags for
>> get_user_pages and get_user_pages_fast.
>>
>> Signed-off-by: Christoph Hellwig
>> mm/gup.c | 4 ++--
>> 1 file changed, 2 inse
On 7/19/23 6:39 AM, Arnd Bergmann wrote:
From: Arnd Bergmann
The vga console driver is fairly self-contained, and only used by
architectures that explicitly initialize the screen_info settings.
Chance every instance that picks the vga console by setting conswitchp
to call a function instead, a
ed-by: Thomas Zimmermann
Signed-off-by: Arnd Bergmann
Reviewed-by: Khalid Aziz
---
drivers/video/console/Kconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index 1b5a319971ed0..6af90db6d2da9 100644
changes are reasonable.
Acked-by: Khalid Aziz
---
arch/alpha/kernel/proto.h | 2 ++
arch/alpha/kernel/setup.c | 6 ++--
arch/alpha/kernel/sys_sio.c | 6 ++--
arch/arm/include/asm/setup.h | 5
arch/arm/kernel/atags_parse.c | 18 ++--
arch/arm
that is handled by EFI.
IA64 has both vgacon and EFI, though EFI apparently never uses
a framebuffer here.
Reviewed-by: Javier Martinez Canillas
Reviewed-by: Thomas Zimmermann
Signed-off-by: Arnd Bergmann
Reviewed-by: Khalid Aziz
---
v2 changes:
- split out mips/jazz change
- improve
> arch_validate_prot() call in mm/mprotect.c down into the locked region.
>
> Cc: sta...@vger.kernel.org
> Fixes: 9035cf9a97e4 ("mm: Add address parameter to arch_validate_prot()")
> Suggested-by: Khalid Aziz
> Suggested-by: Christoph Hellwig
> Signed-off-by: Jann Horn
(Application Data
> Integrity)")
> Signed-off-by: Jann Horn
> ---
> compile-tested only, I don't have a Sparc ADI setup - might be nice if some
> Sparc person could test this?
>
> arch/sparc/include/asm/mman.h | 50 +------
> 1 file changed, 30 ins
On 10/10/20 5:09 AM, Catalin Marinas wrote:
> Hi Khalid,
>
> On Wed, Oct 07, 2020 at 02:14:09PM -0600, Khalid Aziz wrote:
>> On 10/7/20 1:39 AM, Jann Horn wrote:
>>> arch_validate_prot() is a hook that can validate whether a given set of
>>> protection flags is
On 10/12/20 11:22 AM, Catalin Marinas wrote:
> On Mon, Oct 12, 2020 at 11:03:33AM -0600, Khalid Aziz wrote:
>> On 10/10/20 5:09 AM, Catalin Marinas wrote:
>>> On Wed, Oct 07, 2020 at 02:14:09PM -0600, Khalid Aziz wrote:
>>>> On 10/7/20 1:39 AM, Jann Horn wrote:
>&g
On 10/13/20 3:16 AM, Catalin Marinas wrote:
> On Mon, Oct 12, 2020 at 01:14:50PM -0600, Khalid Aziz wrote:
>> On 10/12/20 11:22 AM, Catalin Marinas wrote:
>>> On Mon, Oct 12, 2020 at 11:03:33AM -0600, Khalid Aziz wrote:
>>>> On 10/10/20 5:09 AM, Catalin Marinas wrote:
On 10/15/20 3:05 AM, Catalin Marinas wrote:
> On Wed, Oct 14, 2020 at 03:21:16PM -0600, Khalid Aziz wrote:
>> What FreeBSD does seems like a reasonable thing to do. Any way first
>> thing to do is to update sparc to use arch_validate_flags() and update
>> sparc_validate_prot()
On 4/7/22 04:32, Anshuman Khandual wrote:
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. It localizes arch_vm_get_page_prot()
as sparc_vm_get_page_prot() and moves near vm_get_page_prot().
Cc: "David S. Miller"
Cc: K
sparc_vm_get_page_prot() and moves near vm_get_page_prot().
Cc: "David S. Miller"
Cc: Khalid Aziz
Cc: sparcli...@vger.kernel.org
Cc: linux-ker...@vger.kernel.org
Reviewed-by: Khalid Aziz
Signed-off-by: Anshuman Khandual
---
arch/sparc/Kconfig| 1 +
arch/sparc/i
On 6/1/19 1:49 AM, Christoph Hellwig wrote:
> From: Andrey Konovalov
>
> To allow arm64 syscalls to accept tagged pointers from userspace, we must
> untag them when they are passed to the kernel. Since untagging is done in
> generic parts of the kernel, the untagged_addr macro needs to be defined
tagging to use this. So I would suggest
rewording the commit log. Other than that:
Reviewed-by: Khalid Aziz
> mm/gup.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/gup.c b/mm/gup.c
> index ddde097cf9e4..6bb521db67ec 100644
> --- a/mm/gu
insertions(+)
Looks good to me.
Reviewed-by: Khalid Aziz
>
> diff --git a/arch/sparc/include/asm/pgtable_64.h
> b/arch/sparc/include/asm/pgtable_64.h
> index f0dcf991d27f..1904782dcd39 100644
> --- a/arch/sparc/include/asm/pgtable_64.h
> +++ b/arch/sparc/include/asm/pgtab
1 +
> arch/sparc/include/asm/pgtable_64.h | 18 ++
> arch/sparc/mm/Makefile | 2 +-
> arch/sparc/mm/gup.c | 340
> 4 files changed, 20 insertions(+), 341 deletions(-)
> delete mode 100644 arch/sparc/mm/gup.c
>
Reviewed-by: Khalid Aziz
| 2 +-
> mm/gup.c | 4 ++--
> 10 files changed, 11 insertions(+), 18 deletions(-)
>
Looks good.
Reviewed-by: Khalid Aziz
addresses mapped on to physical RAM but not on PFN mapped
pages or addresses mapped on to devices. This patch adds address to the
parameters being passed to arch_validate_prot() so protection bits can
be validated in the relevant context.
Signed-off-by: Khalid Aziz
Cc: Khalid Aziz
---
v8
ldren and write to
them as well forcing COW.
-
Khalid Aziz (9):
signals, sparc: Add signal codes for ADI violations
mm, swap: Add infrastructure for saving page metadata as well on swap
sparc64: Add support for ADI register fields, ASIs and traps
sparc64: Add HV fault type handlers
addresses mapped on to physical RAM but not on PFN mapped
pages or addresses mapped on to devices. This patch adds address to the
parameters being passed to arch_validate_prot() so protection bits can
be validated in the relevant context.
Signed-off-by: Khalid Aziz
Cc: Khalid Aziz
---
v8
ite to
them as well forcing COW.
-
Khalid Aziz (10):
signals, sparc: Add signal codes for ADI violations
mm, swap: Add infrastructure for saving page metadata as well on swap
sparc64: Add support for ADI register fields, ASIs and traps
sparc64: Add HV fault type handlers for ADI related
On 11/13/2017 09:06 AM, Michal Hocko wrote:
OK, so this one should take care of the backward compatibility while
still not touching the arch code
---
commit 39ff9bf8597e79a032da0954aea1f0d77d137765
Author: Michal Hocko
Date: Mon Nov 13 17:06:24 2017 +0100
mm: introduce MAP_FIXED_SAFE
On Tue, 2017-11-14 at 10:04 +0100, Michal Hocko wrote:
> If there is a general consensus that this is the preferred way to go,
> I
> will post the patch as an RFC to linux-api
>
> [1] http://lkml.kernel.org/r/20171113160637.jhekbdyfpccme3be@dhcp22.s
> use.cz
I prefer the new flag. It is cleaner a
addresses mapped on to physical RAM but not on PFN mapped
pages or addresses mapped on to devices. This patch adds address to the
parameters being passed to arch_validate_prot() so protection bits can
be validated in the relevant context.
Signed-off-by: Khalid Aziz
Cc: Khalid Aziz
---
v8
nodes every few seconds over an hour long run. Verified page migration
through /proc//numa_maps.
- Tested COW support using test that forks children that read from
ADI enabled pages shared with parent and other children and write to
them as well forcing COW.
-
Khalid Aziz (10):
t; PPC with CONFIG_MEMORY_HOTPLUG disabled.
>
> Signed-off-by: Pavel Tatashin
> ---
> arch/powerpc/Kconfig | 1 -
> arch/s390/Kconfig| 1 -
> arch/x86/Kconfig | 1 -
> mm/Kconfig | 7 +--
> 4 files changed, 1 insertion(+), 9 deletions(-)
>
>
Looks reasonable to me.
Reviewed-by: Khalid Aziz
addresses mapped on to physical RAM but not on PFN mapped
pages or addresses mapped on to devices. This patch adds address to the
parameters being passed to arch_validate_prot() so protection bits can
be validated in the relevant context.
Signed-off-by: Khalid Aziz
Cc: Khalid Aziz
Reviewed-by
een two
nodes every few seconds over an hour long run. Verified page migration
through /proc//numa_maps.
- Tested COW support using test that forks children that read from
ADI enabled pages shared with parent and other children and write to
them as well forcing COW.
-
Khalid Aziz (
On 02/01/2018 07:29 PM, ebied...@xmission.com wrote:
Khalid Aziz writes:
V11 changes:
This series is same as v10 and was simply rebased on 4.15 kernel. Can
mm maintainers please review patches 2, 7, 8 and 9 which are arch
independent, and include/linux/mm.h and mm/ksm.c changes in patch 10
On 02/07/2018 12:38 AM, ebied...@xmission.com wrote:
Khalid Aziz writes:
On 02/01/2018 07:29 PM, ebied...@xmission.com wrote:
Khalid Aziz writes:
V11 changes:
This series is same as v10 and was simply rebased on 4.15 kernel. Can
mm maintainers please review patches 2, 7, 8 and 9 which are
addresses mapped on to physical RAM but not on PFN mapped
pages or addresses mapped on to devices. This patch adds address to the
parameters being passed to arch_validate_prot() so protection bits can
be validated in the relevant context.
Signed-off-by: Khalid Aziz
Cc: Khalid Aziz
Reviewed-by
children that read from
ADI enabled pages shared with parent and other children and write to
them as well forcing COW.
-
Khalid Aziz (11):
signals, sparc: Add signal codes for ADI violations
mm, swap: Add infrastructure for saving page metadata on swap
sparc64: Add support for AD
On 03/18/2018 09:08 AM, David Miller wrote:
In uapi/asm/auxvec.h you conditionalize the ADI aux vectors on
CONFIG_SPARC64.
That's not correct, you should never control user facing definitions
based upon kernel configuration.
Also, both 32-bit and 64-bit applications running on ADI capable
machi
addresses mapped on to physical RAM but not on PFN mapped
pages or addresses mapped on to devices. This patch adds address to the
parameters being passed to arch_validate_prot() so protection bits can
be validated in the relevant context.
Signed-off-by: Khalid Aziz
Cc: Khalid Aziz
---
v7
Verified page migration
through /proc//numa_maps.
- Tested COW support using test that forks children that read from
ADI enabled pages shared with parent and other children and write to
them as well forcing COW.
-
Khalid Aziz (9):
signals, sparc: Add signal codes for ADI vio
On 08/10/2017 07:20 AM, Michael Ellerman wrote:
Khalid Aziz writes:
A protection flag may not be valid across entire address space and
hence arch_validate_prot() might need the address a protection bit is
being set on to ensure it is a valid protection flag. For example, sparc
processors
On 08/14/2017 11:02 PM, Michael Ellerman wrote:
Khalid Aziz writes:
On 08/10/2017 07:20 AM, Michael Ellerman wrote:
Khalid Aziz writes:
A protection flag may not be valid across entire address space and
hence arch_validate_prot() might need the address a protection bit is
being set on to
Rozycki
Cc: Matt Wang
Cc: Khalid Aziz
Signed-off-by: Arnd Bergmann
---
Documentation/scsi/BusLogic.rst | 581 ---
Documentation/scsi/FlashPoint.rst | 176 -
MAINTAINERS |7 -
drivers/scsi/BusLogic.c | 3727 --
drivers/scsi/BusLogic.h
about the lack of a bus_to_virt()
replacement. A better fix would likely involve changing out the entire
descriptor allocation for a simpler one, but that would be much
more invasive.
Cc: Maciej W. Rozycki
Cc: Matt Wang
Cc: Khalid Aziz
Signed-off-by: Arnd Bergmann
---
drivers/
On 6/23/22 08:47, Arnd Bergmann wrote:
Can you test it again with this patch on top?
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index d057abfcdd5c..9e67f2ee25ee 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2554,8 +2554,14 @@ static void blogic_scan
about the lack of a bus_to_virt()
replacement. A better fix would likely involve changing out the entire
descriptor allocation for a simpler one, but that would be much
more invasive.
Cc: Maciej W. Rozycki
Cc: Matt Wang
Tested-by: Khalid Aziz
Reviewed-by: Robin Murphy
Reviewed-by: Hannes Reinecke
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