Hi Klara,
On Fri, May 17, 2024 at 01:00:31AM +0200, Klara Modin wrote:
> On 2024-05-05 18:06, Mike Rapoport wrote:
> > From: "Mike Rapoport (IBM)"
> >
> > BPF just-in-time compiler depended on CONFIG_MODULES because it used
> > module_alloc() to allocate memory for the generated code.
> >
> >
On Fri, Apr 19, 2024 at 07:06:00AM -0700, Sean Christopherson wrote:
> On Fri, Apr 19, 2024, Will Deacon wrote:
> > On Mon, Apr 15, 2024 at 07:31:23AM -0700, Sean Christopherson wrote:
> > > On Mon, Apr 15, 2024, Geert Uytterhoeven wrote:
> > > Oof. I completely m
On Mon, Apr 15, 2024 at 07:31:23AM -0700, Sean Christopherson wrote:
> On Mon, Apr 15, 2024, Geert Uytterhoeven wrote:
> > On Sat, Apr 13, 2024 at 11:38 AM Michael Ellerman
> > wrote:
> > > Michael Ellerman writes:
> > > > Stephen Rothwell writes:
> > > ...
> > > >> On Tue, 9 Apr 2024
On Thu, Apr 04, 2024 at 03:38:53PM +1100, Rohan McLure wrote:
> Prior to this patch, data races are detectable by KCSAN of the following
> forms:
>
> [1] Asynchronous calls to mmiowb_set_pending() from an interrupt context
> or otherwise outside of a critical section
> [2] Interrupted
On Thu, Apr 18, 2024 at 12:53:26PM -0700, Sean Christopherson wrote:
> On Thu, Apr 18, 2024, Will Deacon wrote:
> > On Mon, Apr 15, 2024 at 10:03:51AM -0700, Sean Christopherson wrote:
> > > On Sat, Apr 13, 2024, Marc Zyngier wrote:
> > > > On Fri, 12 Apr 2024 15:54
On Mon, Apr 15, 2024 at 10:03:51AM -0700, Sean Christopherson wrote:
> On Sat, Apr 13, 2024, Marc Zyngier wrote:
> > On Fri, 12 Apr 2024 15:54:22 +0100, Sean Christopherson
> > wrote:
> > >
> > > On Fri, Apr 12, 2024, Marc Zyngier wrote:
> > > > On
t; -}
> -
> bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
> {
> u64 size = (range->end - range->start) << PAGE_SHIFT;
Thanks. It's nice to see this code retire:
Acked-by: Will Deacon
Also, if you're in the business of hacking the MMU notifier code, it
On Thu, Dec 07, 2023 at 09:54:34PM -0800, Samuel Holland wrote:
> arm64 provides an equivalent to the common kernel-mode FPU API, but in a
> different header and using different function names. Add a wrapper
> header, and export CFLAGS adjustments as found in lib/raid6/Makefile.
>
>
On Mon, Oct 30, 2023 at 09:00:53AM +0200, Mike Rapoport wrote:
> On Thu, Oct 26, 2023 at 11:24:39AM +0100, Will Deacon wrote:
> > On Thu, Oct 26, 2023 at 11:58:00AM +0300, Mike Rapoport wrote:
> > > On Mon, Oct 23, 2023 at 06:14:20PM +0100, Will Deacon wrote:
> > > >
On Thu, Oct 26, 2023 at 11:58:00AM +0300, Mike Rapoport wrote:
> On Mon, Oct 23, 2023 at 06:14:20PM +0100, Will Deacon wrote:
> > On Mon, Sep 18, 2023 at 10:29:46AM +0300, Mike Rapoport wrote:
> > > diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
> &
> - return __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
> - GFP_KERNEL, PAGE_KERNEL_ROX, VM_FLUSH_RESET_PERMS,
> - NUMA_NO_NODE, __builtin_return_address(0));
> -}
It's slightly curious that we didn't clear the tag here, so it's nice that
it all happens magically with your series:
Acked-by: Will Deacon
Will
Hi Mike,
On Mon, Sep 18, 2023 at 10:29:46AM +0300, Mike Rapoport wrote:
> From: "Mike Rapoport (IBM)"
>
> Extend execmem parameters to accommodate more complex overrides of
> module_alloc() by architectures.
>
> This includes specification of a fallback range required by arm, arm64
> and
ontig = num_contig_ptes(sz, );
>
> - for (i = 0; i < ncontig; i++, ptep++)
> + if (!pte_present(pte)) {
> + for (i = 0; i < ncontig; i++, ptep++, addr += pgsize)
> set_pte_at(mm, addr, ptep, pte);
Our set_pte_at() doesn't use 'addr' for anything and the old code didn't
even bother to increment it here! I'm fine adding that, but it feels
unrelated to the issue which this patch is actually fixing.
Either way:
Acked-by: Will Deacon
Will
On Wed, Aug 02, 2023 at 08:17:32PM +0200, Arnd Bergmann wrote:
> On Wed, Aug 2, 2023, at 19:37, Linus Torvalds wrote:
> > On Wed, 2 Aug 2023 at 09:16, Nathan Chancellor wrote:
> >>
> >> We see this warning with ARCH=arm64 defconfig + CONFIG_CPU_BIG_ENDIAN=y.
> >
> > Oh Christ. I didn't even
On Wed, 15 Mar 2023 16:20:53 -0700, Ira Weiny wrote:
> Commit 21b56c847753 ("iov_iter: get rid of separate bvec and xarray
> callbacks") removed the calls to memcpy_page_flushcache().
>
> kmap_atomic() is deprecated and used in the x86 version of
> memcpy_page_flushcache().
>
> Remove the
On Fri, Jan 13, 2023 at 02:12:50AM +0100, Mateusz Guzik wrote:
> On 1/13/23, Linus Torvalds wrote:
> > Side note on your access() changes - if it turns out that you can
> > remove all the cred games, we should possibly then revert my old
> > commit d7852fbd0f04 ("access: avoid the RCU grace
On Fri, Jul 22, 2022 at 12:31:45PM +0200, Dmitry Vyukov wrote:
> On Fri, 22 Jul 2022 at 12:11, Will Deacon wrote:
> > > > > On Mon, Jul 04, 2022 at 05:05:01PM +0200, Marco Elver wrote:
> > > > > I'm not immediately sure what would be necessary to s
On Fri, Jul 22, 2022 at 11:20:25AM +0200, Dmitry Vyukov wrote:
> On Fri, 22 Jul 2022 at 11:10, Will Deacon wrote:
> > > [adding Will]
> > >
> > > On Mon, Jul 04, 2022 at 05:05:01PM +0200, Marco Elver wrote:
> > > > Add KUnit test for hw_break
On Thu, Jul 21, 2022 at 05:22:07PM +0100, Mark Rutland wrote:
> Hi Marco,
>
> [adding Will]
>
> On Mon, Jul 04, 2022 at 05:05:01PM +0200, Marco Elver wrote:
> > Add KUnit test for hw_breakpoint constraints accounting, with various
> > interesting mixes of breakpoint targets (some care was taken
On Tue, 21 Jun 2022 07:26:28 +, Tong Tiangen wrote:
> With the increase of memory capacity and density, the probability of
> memory error increases. The increasing size and density of server RAM
> in the data center and cloud have shown increased uncorrectable memory
> errors.
>
> Currently,
On Tue, Jun 21, 2022 at 07:26:30AM +, Tong Tiangen wrote:
> In subsequent patches we'll need to fill in extable data fields in
> regular assembly files. In preparation for this, move the definitions of
> the extable data fields earlier in asm-extable.h so that they are
> defined for both
On Mon, Mar 21, 2022 at 04:07:48PM +0100, David Hildenbrand wrote:
> On 21.03.22 15:38, Will Deacon wrote:
> > On Wed, Mar 16, 2022 at 06:27:01PM +, Catalin Marinas wrote:
> >> On Tue, Mar 15, 2022 at 03:18:34PM +0100, David Hildenbrand wrote:
> >>> diff --git a/
On Mon, Mar 21, 2022 at 02:38:02PM +, Will Deacon wrote:
> On Wed, Mar 16, 2022 at 06:27:01PM +, Catalin Marinas wrote:
> > On Tue, Mar 15, 2022 at 03:18:34PM +0100, David Hildenbrand wrote:
> > > diff --git a/arch/arm64/include/asm/pgtable-prot.h
> > > b/arc
On Wed, Mar 16, 2022 at 06:27:01PM +, Catalin Marinas wrote:
> On Tue, Mar 15, 2022 at 03:18:34PM +0100, David Hildenbrand wrote:
> > diff --git a/arch/arm64/include/asm/pgtable-prot.h
> > b/arch/arm64/include/asm/pgtable-prot.h
> > index b1e1b74d993c..62e0ebeed720 100644
> > ---
reg' is present.
>
> Cc: Catalin Marinas
> Cc: Will Deacon
> Signed-off-by: Rob Herring
> ---
> arch/arm64/kernel/smp.c | 31 ++-
> 1 file changed, 2 insertions(+), 29 deletions(-)
Acked-by: Will Deacon
It's a shame INVALID_HWID can't be removed
Sachin Sant
Tested-by: Sachin Sant
Tested-by: Nathan Chancellor
Link:
https://lore.kernel.org/r/1905cd70-7656-42ae-99e2-a31fc3812...@linux.vnet.ibm.com/
Signed-off-by: Will Deacon
---
arch/powerpc/platforms/pseries/svm.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/platfo
On Wed, Jul 28, 2021 at 10:35:34AM -0700, Nathan Chancellor wrote:
> On Wed, Jul 28, 2021 at 01:31:06PM +0530, Sachin Sant wrote:
> > next-20210723 was good. The boot failure seems to have been introduced with
> > next-20210726.
> >
> > I have attached the boot log.
>
> I noticed this with
On Wed, 21 Jul 2021 17:02:13 +1000, Michael Ellerman wrote:
> This reverts commit c742199a014de23ee92055c2473d91fe5561ffdf.
>
> c742199a014d ("mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge")
> breaks arm64 in at least two ways for configurations where PUD or PMD
> folding occur:
>
> 1.
rnel.org/r/20210717160118.9855-1-jonat...@marek.ca
Fixes: c742199a014d ("mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge")
Signed-off-by: Jonathan Marek
Signed-off-by: Will Deacon
---
arch/arm64/mm/mmu.c | 20
arch/x86/mm/pgtable.c | 34 +++--
las Piggin
Cc: Mark Rutland
Cc: Geert Uytterhoeven
Cc: Marc Zyngier
Link:
https://lore.kernel.org/r/20210719170615.horde.qio1wp3k5eblo-d9xxhd...@messagerie.c-s.fr
Signed-off-by: Will Deacon
---
arch/powerpc/Kconfig | 2 +-
arch/powerpc/include/asm/nohash/32/mmu-
stubs for {pmd/pub}_{set/clear}_huge"
Will Deacon (1):
Revert "powerpc/8xx: add support for huge pages on VMAP and VMALLOC"
arch/arm64/mm/mmu.c | 20 -
arch/powerpc/Kconfig | 2 +-
arch/powerpc/include/asm/nohash/32/mmu-8xx.
On Tue, Jul 06, 2021 at 12:59:57PM -0400, Konrad Rzeszutek Wilk wrote:
> On Tue, Jul 06, 2021 at 05:57:21PM +0100, Will Deacon wrote:
> > On Tue, Jul 06, 2021 at 10:46:07AM -0400, Konrad Rzeszutek Wilk wrote:
> > > On Tue, Jul 06, 2021 at 04:05:13PM +0200, Christoph Hellwig wro
On Tue, Jul 06, 2021 at 12:14:16PM -0700, Nathan Chancellor wrote:
> On 7/6/2021 10:06 AM, Will Deacon wrote:
> > On Tue, Jul 06, 2021 at 04:39:11PM +0100, Robin Murphy wrote:
> > > On 2021-07-06 15:05, Christoph Hellwig wrote:
> > > > On Tue, Jul 06, 2021 at 03:01:
On Tue, Jul 06, 2021 at 04:39:11PM +0100, Robin Murphy wrote:
> On 2021-07-06 15:05, Christoph Hellwig wrote:
> > On Tue, Jul 06, 2021 at 03:01:04PM +0100, Robin Murphy wrote:
> > > FWIW I was pondering the question of whether to do something along those
> > > lines or just scrap the default
On Tue, Jul 06, 2021 at 10:46:07AM -0400, Konrad Rzeszutek Wilk wrote:
> On Tue, Jul 06, 2021 at 04:05:13PM +0200, Christoph Hellwig wrote:
> > On Tue, Jul 06, 2021 at 03:01:04PM +0100, Robin Murphy wrote:
> > > FWIW I was pondering the question of whether to do something along those
> > > lines
On Tue, Jul 06, 2021 at 06:48:48AM +0200, Christoph Hellwig wrote:
> On Mon, Jul 05, 2021 at 08:03:52PM +0100, Will Deacon wrote:
> > So at this point, the AMD IOMMU driver does:
> >
> > swiotlb= (iommu_default_passthrough() || sme_me_mask) ? 1 : 0;
&g
Hi Nathan,
I may have just spotted something in these logs...
On Fri, Jul 02, 2021 at 10:55:17PM -0700, Nathan Chancellor wrote:
> [2.340956] pci :0c:00.1: Adding to iommu group 4
> [2.340996] pci :0c:00.2: Adding to iommu group 4
> [2.341038] pci :0c:00.3: Adding to
Hi Nathan,
On Thu, Jul 01, 2021 at 12:52:20AM -0700, Nathan Chancellor wrote:
> On 7/1/2021 12:40 AM, Will Deacon wrote:
> > On Wed, Jun 30, 2021 at 08:56:51AM -0700, Nathan Chancellor wrote:
> > > On Wed, Jun 30, 2021 at 12:43:48PM +0100, Will Deacon wrote:
> > > >
ted DMA when the restricted-dma-pool is presented.
> > >
> > > Signed-off-by: Claire Chang
> > > Tested-by: Stefano Stabellini
> > > Tested-by: Will Deacon
> >
> > With this patch in place, all sparc and sparc64 qemu emulations
> > fail to
On Wed, Jun 30, 2021 at 08:56:51AM -0700, Nathan Chancellor wrote:
> On Wed, Jun 30, 2021 at 12:43:48PM +0100, Will Deacon wrote:
> > On Wed, Jun 30, 2021 at 05:17:27PM +0800, Claire Chang wrote:
> > > `BUG: unable to handle page fault for address: 003a8290` and
> &g
d
> > > use it to determine whether to bounce the data or not. This will be
> > > useful later to allow for different pools.
> > >
> > > Signed-off-by: Claire Chang
> > > Reviewed-by: Christoph Hellwig
> > > Tested-by: Stefano Stabellini
>
On Thu, Jun 24, 2021 at 03:19:48PM -0400, Konrad Rzeszutek Wilk wrote:
> On Thu, Jun 24, 2021 at 11:55:14PM +0800, Claire Chang wrote:
> > This series implements mitigations for lack of DMA access control on
> > systems without an IOMMU, which could result in the DMA accessing the
> > system
On Thu, Jun 24, 2021 at 12:34:09PM +0100, Robin Murphy wrote:
> On 2021-06-24 12:18, Will Deacon wrote:
> > On Thu, Jun 24, 2021 at 12:14:39PM +0100, Robin Murphy wrote:
> > > On 2021-06-24 07:05, Claire Chang wrote:
> > > > On Thu, Jun 24, 2021 at 1:
On Thu, Jun 24, 2021 at 12:14:39PM +0100, Robin Murphy wrote:
> On 2021-06-24 07:05, Claire Chang wrote:
> > On Thu, Jun 24, 2021 at 1:43 PM Christoph Hellwig wrote:
> > >
> > > On Wed, Jun 23, 2021 at 02:44:34PM -0400, Qian Cai wrote:
> > > > is_swiotlb_force_bounce at
> > > >
l later to allow for different pools.
> >
> > Signed-off-by: Claire Chang
> > Reviewed-by: Christoph Hellwig
> > Tested-by: Stefano Stabellini
> > Tested-by: Will Deacon
> > Acked-by: Stefano Stabellini
>
> Reverting the rest of the series up to th
re/arm-trusted-firmware/blob/master/plat/mediatek/mt8183/drivers/emi_mpu/emi_mpu.c#L132
>
> v12:
> Split is_dev_swiotlb_force into is_swiotlb_force_bounce (patch 06/12) and
> is_swiotlb_for_alloc (patch 09/12)
I took this for a spin in an arm64 KVM guest with virtio devices using the
D
ing the pipeline", but the SDM
> does not permit LFENCE as an alternative to a "serializing instruction"
> for this purpose.)
>
> Cc: Michael Ellerman
> Cc: Benjamin Herrenschmidt
> Cc: Paul Mackerras
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: Nicholas Piggin
_device_init and move it to
> rmem_swiotlb_setup.
> - Fix the message string in rmem_swiotlb_setup.
Thanks for the v8. It works for me out of the box on arm64 under KVM, so:
Tested-by: Will Deacon
Note that something seems to have gone wrong with the mail threading, so
the last 5 patches ended up as a separate thread for me. Probably worth
posting again with all the patches in one place, if you can.
Cheers,
Will
On Thu, May 27, 2021 at 08:48:59PM +0800, Claire Chang wrote:
> On Thu, May 27, 2021 at 7:35 PM Will Deacon wrote:
> >
> > On Thu, May 27, 2021 at 07:29:20PM +0800, Claire Chang wrote:
> > > On Wed, May 26, 2021 at 11:53 PM Will Deacon wrote:
> > > >
> &
On Thu, May 27, 2021 at 07:29:20PM +0800, Claire Chang wrote:
> On Wed, May 26, 2021 at 11:53 PM Will Deacon wrote:
> >
> > On Wed, May 26, 2021 at 01:13:22PM +0100, Will Deacon wrote:
> > > On Tue, May 18, 2021 at 02:42:14PM +0800, Claire Chang wrote:
> &g
On Wed, May 26, 2021 at 01:13:22PM +0100, Will Deacon wrote:
> On Tue, May 18, 2021 at 02:42:14PM +0800, Claire Chang wrote:
> > @@ -138,4 +160,9 @@ one for multimedia processing (named
> > multimedia-memory@7700, 64MiB).
> > memor
Hi Claire,
On Tue, May 18, 2021 at 02:42:14PM +0800, Claire Chang wrote:
> Introduce the new compatible string, restricted-dma-pool, for restricted
> DMA. One can specify the address and length of the restricted DMA memory
> region by restricted-dma-pool in the reserved-memory node.
>
>
On Thu, Apr 01, 2021 at 11:59:45AM +0200, Christoph Hellwig wrote:
> For now I'll just pass the iommu_domain to iommu_get_dma_strict,
> so that we can check for it. We can do additional cleanups on top
> of that later.
Sounds good to me, cheers!
Will
On Wed, Mar 31, 2021 at 02:09:37PM +0100, Robin Murphy wrote:
> On 2021-03-31 12:49, Will Deacon wrote:
> > On Tue, Mar 30, 2021 at 05:28:19PM +0100, Robin Murphy wrote:
> > > On 2021-03-30 14:58, Will Deacon wrote:
> > > > On Tue, Mar 30, 2021 at 02:19:
On Tue, Mar 30, 2021 at 10:35:21AM -0700, Daniel Walker wrote:
> On Mon, Mar 29, 2021 at 11:07:51AM +0100, Will Deacon wrote:
> > On Thu, Mar 25, 2021 at 12:59:56PM -0700, Daniel Walker wrote:
> > > On Thu, Mar 25, 2021 at 01:03:55PM +0100, Christophe Leroy wrote:
> > >
On Tue, Mar 30, 2021 at 05:28:19PM +0100, Robin Murphy wrote:
> On 2021-03-30 14:58, Will Deacon wrote:
> > On Tue, Mar 30, 2021 at 02:19:38PM +0100, Robin Murphy wrote:
> > > On 2021-03-30 14:11, Will Deacon wrote:
> > > > On Tue, Mar 16, 2021 at 04:38:22PM
On Tue, Mar 30, 2021 at 02:19:38PM +0100, Robin Murphy wrote:
> On 2021-03-30 14:11, Will Deacon wrote:
> > On Tue, Mar 16, 2021 at 04:38:22PM +0100, Christoph Hellwig wrote:
> > > From: Robin Murphy
> > >
> > > Instead make the global iommu_dma_
---
> 2 files changed, 62 deletions(-)
Acked-by: Will Deacon
Will
| 12 -
> 6 files changed, 35 insertions(+), 63 deletions(-)
I'm fine with this for now, although there has been talk about passing
things other than boolean flags as page-table quirks. We can cross that
bridge when we get there, so:
Acked-by: Will Deacon
Will
On Tue, Mar 16, 2021 at 04:38:22PM +0100, Christoph Hellwig wrote:
> From: Robin Murphy
>
> Instead make the global iommu_dma_strict paramete in iommu.c canonical by
> exporting helpers to get and set it and use those directly in the drivers.
>
> This make sure that the iommu.strict parameter
On Tue, Mar 16, 2021 at 04:38:21PM +0100, Christoph Hellwig wrote:
> Don't obsfucate the trivial bit flag check.
>
> Signed-off-by: Christoph Hellwig
> ---
> drivers/iommu/iommu.c | 23 +--
> 1 file changed, 5 insertions(+), 18 deletions(-)
Acked-by: Will Deacon
Will
> 6 files changed, 55 insertions(+), 68 deletions(-)
Acked-by: Will Deacon
Will
-
> drivers/vfio/vfio_iommu_type1.c | 26 --
> drivers/vhost/vdpa.c| 10 +++---
> include/linux/iommu.h | 1 -
> 4 files changed, 18 insertions(+), 39 deletions(-)
Acked-by: Will Deacon
Will
On Tue, Mar 16, 2021 at 04:38:18PM +0100, Christoph Hellwig wrote:
> DOMAIN_ATTR_PAGING is never used.
>
> Signed-off-by: Christoph Hellwig
> Acked-by: Li Yang
> ---
> drivers/iommu/iommu.c | 5 -
> include/linux/iommu.h | 1 -
> 2 files changed, 6 deletions(-)
Acked-by: Will Deacon
Will
nged, 2 insertions(+), 4 deletions(-)
pamu_config_ppaace() takes quite a few useless parameters at this stage,
but anyway:
Acked-by: Will Deacon
Do you know if this driver is actually useful? Once the complexity has been
stripped back, the stubs and default values really stand out.
Will
sl/qbman/qman_portal.c | 11 ---
> include/linux/iommu.h | 1 -
> 4 files changed, 3 insertions(+), 66 deletions(-)
Acked-by: Will Deacon
Will
; 1 file changed, 20 insertions(+), 39 deletions(-)
Acked-by: Will Deacon
Will
On Tue, Mar 16, 2021 at 04:38:14PM +0100, Christoph Hellwig wrote:
> Merge the two fuctions that configure the ppaace into a single coherent
> function. I somehow doubt we need the two pamu_config_ppaace calls,
> but keep the existing behavior just to be on the safe side.
>
> Signed-off-by:
> 5 files changed, 9 insertions(+), 40 deletions(-)
Heh, this thing is so over-engineered.
Acked-by: Will Deacon
Will
On Tue, Mar 16, 2021 at 04:38:12PM +0100, Christoph Hellwig wrote:
> The only thing that fsl_pamu_window_enable does for the current caller
> is to fill in the prot value in the only dma_window structure, and to
> propagate a few values from the iommu_domain_geometry struture into the
>
stale ^^
> - struct dma_window *win_arr;
> + struct dma_window win_arr[1];
> /* list of devices associated with the domain */
> struct list_headdevices;
> /* dma_domain states:
Acked-by: Will Deacon
Will
hanged, 10 insertions(+), 24 deletions(-)
Acked-by: Will Deacon
Will
changed, 5 insertions(+), 68 deletions(-)
Took me a minute to track down the other magic '36' which ends up in
aperture_end, but I found it eventually so:
Acked-by: Will Deacon
(It does make me wonder what all this glue was intended to be used for)
Will
-
> drivers/iommu/fsl_pamu_domain.c | 30 --
> include/linux/iommu.h | 4
> 2 files changed, 34 deletions(-)
Acked-by: Will Deacon
Will
---
> include/linux/iommu.h | 2 --
> 2 files changed, 50 deletions(-)
Acked-by: Will Deacon
Will
On Thu, Mar 25, 2021 at 12:59:56PM -0700, Daniel Walker wrote:
> On Thu, Mar 25, 2021 at 01:03:55PM +0100, Christophe Leroy wrote:
> >
> > Ok, so you agree we don't need to provide two CMDLINE, one to be appended
> > and one to be prepended.
> >
> > Let's only provide once CMDLINE as of today,
On Thu, Mar 25, 2021 at 12:18:38PM +0100, Christophe Leroy wrote:
>
>
> Le 03/03/2021 à 18:57, Will Deacon a écrit :
> > On Tue, Mar 02, 2021 at 05:25:22PM +, Christophe Leroy wrote:
> > > Most architectures have similar boot command line manipulation
> &g
Hi Claire,
On Tue, Feb 09, 2021 at 02:21:30PM +0800, Claire Chang wrote:
> Introduce the new compatible string, restricted-dma-pool, for restricted
> DMA. One can specify the address and length of the restricted DMA memory
> region by restricted-dma-pool in the reserved-memory node.
>
>
On Wed, Mar 10, 2021 at 09:58:06AM +0100, Christoph Hellwig wrote:
> On Fri, Mar 05, 2021 at 10:00:12AM +, Will Deacon wrote:
> > > But one thing I'm not sure about is whether
> > > IO_PGTABLE_QUIRK_ARM_OUTER_WBWA is something that other devices
> > > *shou
On Tue, Mar 02, 2021 at 05:25:20PM +, Christophe Leroy wrote:
> This patchs adds an option of prepend a text to the command
> line instead of appending it.
>
> Signed-off-by: Christophe Leroy
> ---
> include/linux/cmdline.h | 5 -
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
>
On Wed, Mar 03, 2021 at 06:57:09PM +0100, Christophe Leroy wrote:
> Le 03/03/2021 à 18:46, Will Deacon a écrit :
> > On Wed, Mar 03, 2021 at 06:38:16PM +0100, Christophe Leroy wrote:
> > > Le 03/03/2021 à 18:28, Will Deacon a écrit :
> > > > On Tue, Mar 02, 2021 a
On Tue, Mar 02, 2021 at 05:25:22PM +, Christophe Leroy wrote:
> Most architectures have similar boot command line manipulation
> options. This patchs adds the definition in init/Kconfig, gated by
> CONFIG_HAVE_CMDLINE that the architectures can select to use them.
>
> In order to use this, a
On Wed, Mar 03, 2021 at 06:38:16PM +0100, Christophe Leroy wrote:
> Le 03/03/2021 à 18:28, Will Deacon a écrit :
> > On Tue, Mar 02, 2021 at 05:25:17PM +, Christophe Leroy wrote:
> > > This code provides architectures with a way to build command line
> > > based on
On Tue, Mar 02, 2021 at 05:25:17PM +, Christophe Leroy wrote:
> This code provides architectures with a way to build command line
> based on what is built in the kernel and what is handed over by the
> bootloader, based on selected compile-time options.
>
> Signed-off-by: Christophe Leroy
>
On Tue, Mar 02, 2021 at 05:25:17PM +, Christophe Leroy wrote:
> This code provides architectures with a way to build command line
> based on what is built in the kernel and what is handed over by the
> bootloader, based on selected compile-time options.
>
> Signed-off-by: Christophe Leroy
>
_file.c | 180 ++---
> 1 file changed, 8 insertions(+), 172 deletions(-)
I mean, of course I'm going to Ack that!
Acked-by: Will Deacon
Will
DT, and to free the FDT respectively.
>
> Signed-off-by: Lakshmi Ramasubramanian
> Suggested-by: Rob Herring
> ---
> arch/arm64/kernel/machine_kexec_file.c | 37 +++---
> 1 file changed, 10 insertions(+), 27 deletions(-)
Acked-by: Will Deacon
Will
On Wed, Jan 27, 2021 at 01:31:02PM -0500, Mimi Zohar wrote:
> On Wed, 2021-01-27 at 10:24 -0800, Lakshmi Ramasubramanian wrote:
> > On 1/27/21 10:02 AM, Will Deacon wrote:
> > > On Wed, Jan 27, 2021 at 09:56:53AM -0800, Lakshmi Ramasubramanian wrote:
> > >> On 1/27
On Wed, Jan 27, 2021 at 09:59:38AM -0800, Lakshmi Ramasubramanian wrote:
> On 1/27/21 8:52 AM, Will Deacon wrote:
>
> Hi Will,
>
> > On Fri, Jan 15, 2021 at 09:30:16AM -0800, Lakshmi Ramasubramanian wrote:
> > > create_dtb() function allocates kernel virtual memory for
On Wed, Jan 27, 2021 at 09:56:53AM -0800, Lakshmi Ramasubramanian wrote:
> On 1/27/21 8:54 AM, Will Deacon wrote:
> > On Fri, Jan 15, 2021 at 09:30:17AM -0800, Lakshmi Ramasubramanian wrote:
> > > Address and size of the buffer containing the IMA measurement log need
>
On Fri, Jan 15, 2021 at 09:30:17AM -0800, Lakshmi Ramasubramanian wrote:
> Address and size of the buffer containing the IMA measurement log need
> to be passed from the current kernel to the next kernel on kexec.
>
> Add address and size fields to "struct kimage_arch" for ARM64 platform
> to
On Sun, Dec 27, 2020 at 03:01:28PM +0100, Enrico Weigelt, metux IT consult
wrote:
> Move the pm_power_off callback into one global place and also add an
> function for conditionally calling it (when not NULL), in order to remove
> code duplication in all individual archs.
>
> Reported-by: kernel
On Tue, Jan 05, 2021 at 08:20:51AM -0800, Andy Lutomirski wrote:
> > On Jan 5, 2021, at 5:26 AM, Will Deacon wrote:
> > Sorry for the slow reply, I was socially distanced from my keyboard.
> >
> >> On Mon, Dec 28, 2020 at 04:36:11PM -0800, Andy Lutomirski wrote:
> &
Hi Andy,
Sorry for the slow reply, I was socially distanced from my keyboard.
On Mon, Dec 28, 2020 at 04:36:11PM -0800, Andy Lutomirski wrote:
> On Mon, Dec 28, 2020 at 4:11 PM Nicholas Piggin wrote:
> > > +static inline void membarrier_sync_core_before_usermode(void)
> > > +{
> > > + /*
>
C
> # which is only understood by binutils starting with version 2.33.1.
> - depends on LD_IS_LLD || LD_VERSION >= 23301 || (CC_IS_GCC &&
> GCC_VERSION < 90100)
> + depends on LD_IS_LLD || LD_VERSION >= 23301 || (CC_IS_GCC &&
> GCC_VERSION < 90100)
> depends on !CC_IS_CLANG || AS_HAS_CFI_NEGATE_RA_STATE
> depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
> help
Acked-by: Will Deacon
Will
On Tue, Dec 01, 2020 at 01:50:38PM -0800, Andy Lutomirski wrote:
> On Tue, Dec 1, 2020 at 1:28 PM Will Deacon wrote:
> >
> > On Mon, Nov 30, 2020 at 10:31:51AM -0800, Andy Lutomirski wrote:
> > > other arch folk: there's some background here:
> > >
On Mon, Nov 30, 2020 at 10:31:51AM -0800, Andy Lutomirski wrote:
> other arch folk: there's some background here:
>
> https://lkml.kernel.org/r/calcetrvxube8lfnn-qs+dzroqaiw+sfug1j047ybyv31sat...@mail.gmail.com
>
> On Sun, Nov 29, 2020 at 12:16 PM Andy Lutomirski wrote:
> >
> > On Sat, Nov 28,
tic inline bool pud_sect(pud_t pud) { return false; }
> static inline bool pud_table(pud_t pud) { return true; }
Acked-by: Will Deacon
I'm still highly dubious about the utility of this feature in perf, since
the TLB entry size is pretty much independent of the page-table
configuration, but that's a problem for all architectures I suspect.
Will
On Tue, Oct 27, 2020 at 10:38:16AM +0200, Mike Rapoport wrote:
> On Mon, Oct 26, 2020 at 06:05:30PM +, Edgecombe, Rick P wrote:
> > On Mon, 2020-10-26 at 11:05 +0200, Mike Rapoport wrote:
> > > On Mon, Oct 26, 2020 at 01:13:52AM +, Edgecombe, Rick P wrote:
> > > > On Sun, 2020-10-25 at
On Fri, Oct 23, 2020 at 01:22:04PM +0200, Christophe Leroy wrote:
> Hi Dmitry,
>
> Le 28/09/2020 à 17:08, Dmitry Safonov a écrit :
> > On 9/27/20 8:43 AM, Christophe Leroy wrote:
> > >
> > >
> > > Le 21/09/2020 à 13:26, Will Deacon a écrit :
> &
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