On 16/05/2023 01:00, Jason Gunthorpe wrote:
> This is on github:
> https://github.com/jgunthorpe/linux/commits/iommu_all_defdom
Tested-by: Steven Price
Works fine on my Firefly-RK3288.
Thanks,
Steve
On 08/02/2023 08:49, Cornelia Huck wrote:
> On Wed, Feb 08 2023, Gavin Shan wrote:
>
>> On 2/7/23 9:09 PM, Thomas Huth wrote:
>>> Oh, drat, I thought I had checked all return statements ... this must have
>>> fallen through the cracks, sorry!
>>>
>>> Anyway, this is already a problem now: The
On 26/04/2021 17:37, Claire Chang wrote:
On Fri, Apr 23, 2021 at 7:34 PM Steven Price wrote:
[...]
But even then if it's not and we have the situation where debugfs==NULL
then the debugfs_create_dir() here will cause a subsequent attempt in
swiotlb_create_debugfs() to fail (directory already
On 22/04/2021 09:14, Claire Chang wrote:
Add the initialization function to create restricted DMA pools from
matching reserved-memory nodes.
Signed-off-by: Claire Chang
---
include/linux/device.h | 4 +++
include/linux/swiotlb.h | 3 +-
kernel/dma/swiotlb.c| 80
have a suitable system to test it.
Reviewed-by: Steven Price
---
v2:
- Add a guard for NULL ops->pte_entry
- Take mm->page_table_lock when walking hugepage table, as suggested by
follow_huge_pd()
---
mm/pagewalk.c | 58 ++-
1 file chang
On 19/04/2021 14:14, Christophe Leroy wrote:
Le 16/04/2021 à 12:51, Steven Price a écrit :
On 16/04/2021 11:38, Christophe Leroy wrote:
Le 16/04/2021 à 11:28, Steven Price a écrit :
On 15/04/2021 18:18, Christophe Leroy wrote:
To be honest I don't fully understand why powerpc requires
On 16/04/2021 16:15, Christophe Leroy wrote:
Le 16/04/2021 à 17:04, Christophe Leroy a écrit :
Le 16/04/2021 à 16:40, Christophe Leroy a écrit :
Le 16/04/2021 à 15:00, Steven Price a écrit :
On 16/04/2021 12:08, Christophe Leroy wrote:
Le 16/04/2021 à 12:51, Steven Price a écrit
On 16/04/2021 12:08, Christophe Leroy wrote:
Le 16/04/2021 à 12:51, Steven Price a écrit :
On 16/04/2021 11:38, Christophe Leroy wrote:
Le 16/04/2021 à 11:28, Steven Price a écrit :
On 15/04/2021 18:18, Christophe Leroy wrote:
In order to support large pages on powerpc, notepage()
needs
On 16/04/2021 11:38, Christophe Leroy wrote:
Le 16/04/2021 à 11:28, Steven Price a écrit :
On 15/04/2021 18:18, Christophe Leroy wrote:
In order to support large pages on powerpc, notepage()
needs to know the page size of the page.
Add a page_size argument to notepage().
Signed-off
On 15/04/2021 18:18, Christophe Leroy wrote:
In order to support large pages on powerpc, notepage()
needs to know the page size of the page.
Add a page_size argument to notepage().
Signed-off-by: Christophe Leroy
---
arch/arm64/mm/ptdump.c | 2 +-
arch/riscv/mm/ptdump.c |
/x86 implementations (where this
happens to be safe).
Fixes: 30d621f6723b ("mm: add generic ptdump")
Cc: Steven Price
Signed-off-by: Christophe Leroy
Reviewed-by: Steven Price
Thanks,
Steve
---
mm/ptdump.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/m
On 13/07/2020 04:23, Anshuman Khandual wrote:
This adds new tests validating arch page table helpers for these following
core memory features. These tests create and test specific mapping types at
various page table levels.
1. SPECIAL mapping
2. PROTNONE mapping
3. DEVMAP mapping
4. SOFTDIRTY
On 19/12/2019 11:49, Michael Ellerman wrote:
> Steven Price writes:
>> walk_page_range() is going to be allowed to walk page tables other than
>> those of user space. For this it needs to know when it has reached a
>> 'leaf' entry in the page tables. This information is
them using the
new p?d_leaf() name.
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Michael Ellerman
CC: linuxppc-dev@lists.ozlabs.org
CC: kvm-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 3 +++
1 file changed, 3 insertions(+)
diff --git
On 09/12/2019 11:08, Michael Ellerman wrote:
> Steven Price writes:
>> walk_page_range() is going to be allowed to walk page tables other than
>> those of user space. For this it needs to know when it has reached a
>> 'leaf' entry in the page tables. This information is
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b01624e5c467..3dd7b6f5edd0 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b01624e5c467..3dd7b6f5edd0 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b01624e5c467..3dd7b6f5edd0 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b01624e5c467..3dd7b6f5edd0 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b01624e5c467..3dd7b6f5edd0 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index b01624e5c467..3dd7b6f5edd0 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 8308f32e9782..84270666355c 100644
--- a/arch
-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 8308f32e9782..84270666355c 100644
--- a/arch
On 01/07/2019 10:27, Will Deacon wrote:
> Hi Nick,
>
> On Sun, Jun 23, 2019 at 07:44:44PM +1000, Nicholas Piggin wrote:
>> walk_page_range() is going to be allowed to walk page tables other than
>> those of user space. For this it needs to know when it has reached a
>> 'leaf' entry in the page
ion.
>
> Cc: Catalin Marinas
> Cc: Will Deacon
> Signed-off-by: Steven Price
Hi Nicolas,
This appears to my patch which I originally posted as part of converting
x86/arm64 to use a generic page walk code[1]. I'm not sure that this
patch makes much sense on its own, in particula
On 29/04/2019 03:05, Paul Mackerras wrote:
> On Wed, Apr 03, 2019 at 03:16:12PM +0100, Steven Price wrote:
>> Since pmd_large() is now always available, pmd_is_leaf() is redundant.
>> Replace all uses with calls to pmd_large().
>
> NAK. I don't want to do this, because pm
On 04/04/2019 17:44, Josh Poimboeuf wrote:
> Configure arm64 runtime CPU speculation bug mitigations in accordance
> with the 'cpu_spec_mitigations=' cmdline options. This affects
> Meltdown and Speculative Store Bypass.
>
> The default behavior is unchanged.
>
> Signed-off-by: Josh Poimboeuf
Since pmd_large() is now always available, pmd_is_leaf() is redundant.
Replace all uses with calls to pmd_large().
CC: Benjamin Herrenschmidt
CC: Michael Ellerman
CC: Paul Mackerras
CC: kvm-...@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Steven Price
---
arch/powerpc/kvm
it out of the
CONFIG_TRANSPARENT_HUGEPAGE condition and implement the other levels.
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Michael Ellerman
CC: linuxppc-dev@lists.ozlabs.org
CC: kvm-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h
Since pmd_large() is now always available, pmd_is_leaf() is redundant.
Replace all uses with calls to pmd_large().
CC: Benjamin Herrenschmidt
CC: Michael Ellerman
CC: Paul Mackerras
CC: kvm-...@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Steven Price
---
arch/powerpc/kvm
it out of the
CONFIG_TRANSPARENT_HUGEPAGE condition and implement the other levels.
CC: Benjamin Herrenschmidt
CC: Paul Mackerras
CC: Michael Ellerman
CC: linuxppc-dev@lists.ozlabs.org
CC: kvm-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h
On 26/03/2019 16:58, Christophe Leroy wrote:
>
>
> Le 26/03/2019 à 17:26, Steven Price a écrit :
>> walk_page_range() is going to be allowed to walk page tables other than
>> those of user space. For this it needs to know when it has reached a
>> 'leaf' entry in the pa
-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
arch/powerpc/kvm/book3s_64_mmu_radix.c | 12 ++--
2 files changed, 24 insertions(+), 18 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch
-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
arch/powerpc/kvm/book3s_64_mmu_radix.c | 12 ++--
2 files changed, 24 insertions(+), 18 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch
On 08/03/2019 08:37, Mike Rapoport wrote:
> On Wed, Mar 06, 2019 at 03:50:16PM +0000, Steven Price wrote:
>> walk_page_range() is going to be allowed to walk page tables other than
>> those of user space. For this it needs to know when it has reached a
>> 'leaf' ent
-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 30 ++--
arch/powerpc/kvm/book3s_64_mmu_radix.c | 12 ++--
2 files changed, 24 insertions(+), 18 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch
CC: linuxppc-dev@lists.ozlabs.org
CC: kvm-...@vger.kernel.org
Signed-off-by: Steven Price
---
arch/powerpc/include/asm/book3s/32/pgtable.h | 1 +
arch/powerpc/include/asm/book3s/64/pgtable.h | 27 ---
arch/powerpc/include/asm/nohash/32/pgtable.h | 1 +
.../include/asm/nohash/64
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