On Tue, Jul 18, 2023 at 02:58:33PM +0200, Ard Biesheuvel wrote:
> UBIFS is one of the remaining users of the obsolete 'comp' compression
> API exposed by the crypto subsystem. Given that it operates strictly on
> contiguous buffers that are either entirely in lowmem or covered by a
> single page,
On Tue, Jul 18, 2023 at 02:58:46PM +0200, Ard Biesheuvel wrote:
...
> -static int deflate_comp_init(struct deflate_ctx *ctx)
> +static int deflate_process(struct acomp_req *req, struct z_stream_s *stream,
> +int (*process)(struct z_stream_s *, int))
> {
> - int ret =
On 7/19/23 01:44, Sean Christopherson wrote:
Cc: Jarkko Sakkinen
Signed-off-by: Sean Christopherson
---
arch/x86/kvm/x86.c | 2 +-
include/linux/kvm_host.h | 4 ++--
include/uapi/linux/kvm.h | 13 +
virt/kvm/kvm_main.c | 38 ++
On Tue, Jul 18, 2023 at 02:58:27PM +0200, Ard Biesheuvel wrote:
> This reverts commit a368f43d6e3a001e684e9191a27df384fbff12f5.
>
> "zlib-deflate" was introduced 6 years ago, but it does not have any
> users. So let's remove the generic implementation and the test vectors,
> but retain the
Signed-off-by: Aneesh Kumar K.V
---
This is dependent on patches posted at
https://lore.kernel.org/linux-mm/20230718024409.95742-1-aneesh.ku...@linux.ibm.com/
mm/memory_hotplug.c | 27 +++
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git
On 2023-07-21 at 14:26:11 +0800, Yan Zhao wrote:
> On Tue, Jul 18, 2023 at 04:44:44PM -0700, Sean Christopherson wrote:
>
> May I know why KVM now needs to register to callback .change_pte()?
I can see the original purpose is to "setting a pte in the shadow page
table directly, instead of
On Jul 19 2023, Aneesh Kumar K V wrote:
> On 7/19/23 10:34 AM, Hugh Dickins wrote:
> > On Tue, 18 Jul 2023, Aneesh Kumar K.V wrote:
> >> Hugh Dickins writes:
> >>
> >>> Instead of pte_lockptr(), use the recently added pte_offset_map_nolock()
> >>> in assert_pte_locked(). BUG if
On 7/19/23 01:44, Sean Christopherson wrote:
+static bool range_has_attrs(struct kvm *kvm, gfn_t start, gfn_t end,
+ unsigned long attrs)
+{
+ XA_STATE(xas, >mem_attr_array, start);
+ unsigned long index;
+ bool has_attrs;
+ void *entry;
+
+
On Tue, Jul 18, 2023 at 04:44:44PM -0700, Sean Christopherson wrote:
May I know why KVM now needs to register to callback .change_pte()?
As also commented in kvm_mmu_notifier_change_pte(), .change_pte() must be
surrounded by .invalidate_range_{start,end}().
While
On Fri, Jul 21, 2023, at 06:59, Michael Ellerman wrote:
> Arnd Bergmann writes:
>> From: Arnd Bergmann
>>
>> The list of dependencies here is phrased as an opt-out, but this is missing
>> a lot of architectures that don't actually support VGA consoles, and some
>> of the entries are stale:
>>
>>
On Fri, 21 Jul 2023 at 13:12, Simon Horman wrote:
>
> On Tue, Jul 18, 2023 at 02:58:46PM +0200, Ard Biesheuvel wrote:
>
> ...
>
> > -static int deflate_comp_init(struct deflate_ctx *ctx)
> > +static int deflate_process(struct acomp_req *req, struct z_stream_s
> > *stream,
> > +
On Mon, Jul 17, 2023 at 10:51 PM Yuanjun Gong
wrote:
> check the return value of clk_prepare_enable, and if
> clk_prepare_enable got an unexpected return value,
> imx_audmux_suspend should return the error value.
>
> Signed-off-by: Yuanjun Gong
> ---
> sound/soc/fsl/imx-audmux.c | 5 -
> 1
On Mon, Jul 17, 2023 at 10:51 PM Yuanjun Gong
wrote:
> check the return value of clk_prepare_enable, and if
> clk_prepare_enable got an unexpected return value,
> imx_audmux_resume should return the error value.
>
> Signed-off-by: Yuanjun Gong
> ---
> sound/soc/fsl/imx-audmux.c | 5 -
> 1
On Tue, Jul 18, 2023 at 02:58:30PM +0200, Ard Biesheuvel wrote:
> Migrate the IPcomp network compression code to the acomp API, in order
> to drop the dependency on the obsolete 'comp' API which is going away.
>
> For the time being, this is a rather mechanical conversion replacing
> each comp
On Tue, Jul 18, 2023 at 02:58:34PM +0200, Ard Biesheuvel wrote:
...
> @@ -1618,9 +1614,7 @@ static int zram_recompress(struct zram *zram, u32
> index, struct page *page,
>
> num_recomps++;
> zstrm = zcomp_stream_get(zram->comps[prio]);
> - src =
On 7/19/23 01:44, Sean Christopherson wrote:
From: Chao Peng
In confidential computing usages, whether a page is private or shared is
necessary information for KVM to perform operations like page fault
handling, page zapping etc. There are other potential use cases for
per-page memory
On Tue, Jul 18, 2023 at 02:58:45PM +0200, Ard Biesheuvel wrote:
...
> diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c
> index d4f3d39b51376973..d3133eda2f528d17 100644
> --- a/crypto/crypto_user_stat.c
> +++ b/crypto/crypto_user_stat.c
> @@ -86,10 +86,6 @@ static int
On 7/19/23 01:44, Sean Christopherson wrote:
@@ -413,6 +454,9 @@ int kvm_gmem_create(struct kvm *kvm, struct kvm_create_guest_memfd *args)
u64 flags = args->flags;
u64 valid_flags = 0;
+ if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE))
+ valid_flags |=
On 7/19/23 01:44, Sean Christopherson wrote:
Signed-off-by: Sean Christopherson
---
arch/x86/include/asm/kvm_host.h | 1 -
include/linux/kvm_host.h| 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
On Fri, 21 Jul 2023 17:34:41 +0200
Alexander Lobakin wrote:
> From: Steven Rostedt
> Date: Fri, 15 Oct 2021 14:25:41 -0400
>
> Sorry for such a necroposting :z
> Just wanted to know if this is a bug, so that I could send a fix, or
> intended behaviour.
>
> > On Fri, 15 Oct 2021 14:20:33 -0400
On Fri, Jul 21, 2023, Xiaoyao Li wrote:
> On 7/21/2023 11:05 PM, Xiaoyao Li wrote:
> > On 7/19/2023 7:44 AM, Sean Christopherson wrote:
> > > @@ -6255,12 +6298,17 @@ int kvm_init(unsigned vcpu_size, unsigned
> > > vcpu_align, struct module *module)
> > > if (r)
> > > goto
On Fri, Jul 21, 2023, Paolo Bonzini wrote:
> On 7/19/23 01:44, Sean Christopherson wrote:
> > +static bool range_has_attrs(struct kvm *kvm, gfn_t start, gfn_t end,
> > + unsigned long attrs)
> > +{
> > + XA_STATE(xas, >mem_attr_array, start);
> > + unsigned long index;
>
On Mon, Jul 17, 2023 at 09:10:04PM +0800, Yicong Yang wrote:
> +static inline void arch_tlbbatch_add_pending(struct
> arch_tlbflush_unmap_batch *batch,
> + struct mm_struct *mm,
> + unsigned long uaddr)
> +{
> +
On Mon, Jul 17, 2023 at 09:10:02PM +0800, Yicong Yang wrote:
> From: Barry Song
>
> This patch does some preparation works to extend batched TLB flush to
> arm64. Including:
> - Extend set_tlb_ubc_flush_pending() and arch_tlbbatch_add_mm()
> to accept an additional argument for address,
On Mon, Jul 17, 2023 at 09:10:03PM +0800, Yicong Yang wrote:
> From: Yicong Yang
>
> Currently we'll flush the mm in flush_tlb_batched_pending() to
> avoid race between reclaim unmaps pages by batched TLB flush
> and mprotect/munmap/etc. Other architectures like arm64 may
> only need a
On Thu, Jul 20, 2023 at 06:39:26PM +1000, Alistair Popple wrote:
> Secondary TLBs are now invalidated from the architecture specific TLB
> invalidation functions. Therefore there is no need to explicitly
> notify or invalidate as part of the range end functions. This means we
> can remove
On 7/19/23 01:45, Sean Christopherson wrote:
Drop kvm_userspace_memory_region_find(), it's unused and a terrible API
(probably why it's unused). If anything outside of kvm_util.c needs to
get at the memslot, userspace_mem_region_find() can be exposed to give
others full access to all memory
On 7/21/2023 11:05 PM, Xiaoyao Li wrote:
On 7/19/2023 7:44 AM, Sean Christopherson wrote:
@@ -6255,12 +6298,17 @@ int kvm_init(unsigned vcpu_size, unsigned
vcpu_align, struct module *module)
if (r)
goto err_async_pf;
+ r = kvm_gmem_init();
+ if (r)
+ goto err_gmem;
On Thu, Jul 20, 2023 at 06:39:23PM +1000, Alistair Popple wrote:
> The ARM SMMU has a specific command for invalidating the TLB for an
> entire ASID. Currently this is used for the IO_PGTABLE API but not for
> ATS when called from the MMU notifier.
>
> The current implementation of notifiers does
On 7/19/23 01:44, Sean Christopherson wrote:
From: Chao Peng
A KVM_MEM_PRIVATE memslot can include both fd-based private memory and
hva-based shared memory. Architecture code (like TDX code) can tell
whether the on-going fault is private or not. This patch adds a
'is_private' field to
On 7/19/2023 7:44 AM, Sean Christopherson wrote:
+4.140 KVM_SET_MEMORY_ATTRIBUTES
+-
+
+:Capability: KVM_CAP_MEMORY_ATTRIBUTES
+:Architectures: x86
+:Type: vm ioctl
+:Parameters: struct kvm_memory_attributes(in/out)
+:Returns: 0 on success, <0 on error
+
On 7/19/23 01:44, Sean Christopherson wrote:
+ inode = alloc_anon_inode(mnt->mnt_sb);
+ if (IS_ERR(inode))
+ return PTR_ERR(inode);
+
+ err = security_inode_init_security_anon(inode, , NULL);
+ if (err)
+ goto err_inode;
+
I don't understand
On Wed, 19 Jul 2023 18:47:29 +0200, Matus Gajdos wrote:
> Clear TX registers on stop to prevent the SPDIF interface from sending
> last written word over and over again.
>
>
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
Thanks!
[1/1] ASoC:
On Thu, Jul 20, 2023 at 06:39:27PM +1000, Alistair Popple wrote:
> diff --git a/arch/arm64/include/asm/tlbflush.h
> b/arch/arm64/include/asm/tlbflush.h
> index a99349d..84a05a0 100644
> --- a/arch/arm64/include/asm/tlbflush.h
> +++ b/arch/arm64/include/asm/tlbflush.h
> @@ -253,7 +253,7 @@ static
On Thu, Jul 20, 2023 at 06:39:25PM +1000, Alistair Popple wrote:
> diff --git a/arch/arm64/include/asm/tlbflush.h
> b/arch/arm64/include/asm/tlbflush.h
> index 3456866..a99349d 100644
> --- a/arch/arm64/include/asm/tlbflush.h
> +++ b/arch/arm64/include/asm/tlbflush.h
> @@ -13,6 +13,7 @@
>
On Thu, Jul 20, 2023 at 06:39:27PM +1000, Alistair Popple wrote:
> There are two main use cases for mmu notifiers. One is by KVM which
> uses mmu_notifier_invalidate_range_start()/end() to manage a software
> TLB.
>
> The other is to manage hardware TLBs which need to use the
> invalidate_range()
On 7/19/23 01:44, Sean Christopherson wrote:
@@ -4725,9 +4725,9 @@ static int kvm_vm_ioctl_check_extension_generic(struct
kvm *kvm, long arg)
case KVM_CAP_IRQ_ROUTING:
return KVM_MAX_IRQ_ROUTES;
#endif
-#if KVM_ADDRESS_SPACE_NUM > 1
+#if KVM_MAX_NR_ADDRESS_SPACES > 1
On Fri, Jul 21, 2023, Paolo Bonzini wrote:
> On 7/19/23 01:44, Sean Christopherson wrote:
> > @@ -413,6 +454,9 @@ int kvm_gmem_create(struct kvm *kvm, struct
> > kvm_create_guest_memfd *args)
> > u64 flags = args->flags;
> > u64 valid_flags = 0;
> > + if
From: Randy Dunlap
[ Upstream commit 7b1a78babd0d2cd27aa07255dee0c2d7ac0f31e3 ]
Fix build errors in soc/fsl/qe/usb.c when QUICC_ENGINE is not set.
This happens when PPC_EP88XC is set, which selects CPM1 & CPM.
When CPM is set, USB_FSL_QE can be set without QUICC_ENGINE
being set. When
On 7/19/2023 7:44 AM, Sean Christopherson wrote:
@@ -6255,12 +6298,17 @@ int kvm_init(unsigned vcpu_size, unsigned vcpu_align,
struct module *module)
if (r)
goto err_async_pf;
+ r = kvm_gmem_init();
+ if (r)
+ goto err_gmem;
+
On Fri, 21 Jul 2023 18:06:07 +0200
Alexander Lobakin wrote:
> > Just because you disable interrupts does not mean you are in interrupt
> > context.
>
> Ah okay, thanks! IOW, if we want to check in some code that we're
> certainly have interrupts enabled and are not in the interrupt context,
>
On Mon, Jul 17, 2023 at 09:10:01PM +0800, Yicong Yang wrote:
> From: Anshuman Khandual
>
> The entire scheme of deferred TLB flush in reclaim path rests on the
> fact that the cost to refill TLB entries is less than flushing out
> individual entries by sending IPI to remote CPUs. But
On Fri, Jul 21, 2023, Paolo Bonzini wrote:
> On 7/19/23 01:44, Sean Christopherson wrote:
> > + inode = alloc_anon_inode(mnt->mnt_sb);
> > + if (IS_ERR(inode))
> > + return PTR_ERR(inode);
> > +
> > + err = security_inode_init_security_anon(inode, , NULL);
> > + if (err)
> > +
From: Randy Dunlap
[ Upstream commit b04b076fb56560b39d695ac3744db457e12278fd ]
Fix build warnings when DEBUG_FS is not enabled by using an empty
do-while loop instead of a value:
In file included from ../drivers/crypto/nx/nx.c:27:
../drivers/crypto/nx/nx.c: In function 'nx_register_algs':
On Thu, Jul 20, 2023 at 06:39:25PM +1000, Alistair Popple wrote:
> The invalidate_range() is going to become an architecture specific mmu
> notifier used to keep the TLB of secondary MMUs such as an IOMMU in
> sync with the CPU page tables. Currently it is called from separate
> code paths to the
On Thu, Jul 20, 2023 at 06:39:24PM +1000, Alistair Popple wrote:
> The comment in mmu_interval_read_begin() refers to a function that
> doesn't exist and uses the wrong call-back name. The op for mmu
> interval notifiers is mmu_interval_notifier_ops->invalidate() so fix
> the comment up to reflect
From: Steven Rostedt
Date: Fri, 21 Jul 2023 12:00:40 -0400
> On Fri, 21 Jul 2023 17:34:41 +0200
> Alexander Lobakin wrote:
[...]
>>> + level += !!(pc & (NMI_MASK));
>>> + level += !!(pc & (NMI_MASK | HARDIRQ_MASK));
>>> + level += !!(pc & (NMI_MASK | HARDIRQ_MASK | SOFTIRQ_OFFSET));
From: Greg Joyce
Allow for permanent SED authentication keys by
reading/writing to the SED Opal non-volatile keystore.
Signed-off-by: Greg Joyce
Reviewed-by: Jonathan Derrick
---
block/sed-opal.c | 18 --
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git
From: Greg Joyce
This patchset has gone through numerous rounds of review and
all comments/suggetions have been addressed. The reviews have
covered all relevant areas including reviews by block and keyring
developers as well as the SED Opal maintainer. The last
patchset submission has not
From: Greg Joyce
Add IOC_OPAL_DISCOVERY ioctl to return raw discovery data to a SED Opal
application. This allows the application to display drive capabilities
and state.
Signed-off-by: Greg Joyce
Reviewed-by: Christoph Hellwig
Reviewed-by: Jonathan Derrick
---
block/sed-opal.c
From: Steven Rostedt
Date: Fri, 15 Oct 2021 14:25:41 -0400
Sorry for such a necroposting :z
Just wanted to know if this is a bug, so that I could send a fix, or
intended behaviour.
> On Fri, 15 Oct 2021 14:20:33 -0400
> Steven Rostedt wrote:
>
>>> I think having one copy of that in a header
From: Greg Joyce
This patchset has gone through numerous rounds of review and
all comments/suggetions have been addressed. The reviews have
covered all relevant areas including reviews by block and keyring
developers as well as the SED Opal maintainer. The last
patchset submission has not
From: Greg Joyce
Define operations for SED Opal to read/write keys
from POWER LPAR Platform KeyStore(PLPKS). This allows
non-volatile storage of SED Opal keys.
Signed-off-by: Greg Joyce
Reviewed-by: Jonathan Derrick
---
arch/powerpc/platforms/pseries/Kconfig| 6 +
On Fri, Jul 21, 2023 at 02:13:14PM +0800,
Yuan Yao wrote:
> On Tue, Jul 18, 2023 at 04:44:55PM -0700, Sean Christopherson wrote:
> > TODO
> >
> > Cc: Fuad Tabba
> > Cc: Vishal Annapurve
> > Cc: Ackerley Tng
> > Cc: Jarkko Sakkinen
> > Cc: Maciej Szmigiero
> > Cc: Vlastimil Babka
> > Cc:
From: Greg Joyce
Add read and write functions that allow SED Opal keys to stored
in a permanent keystore.
Signed-off-by: Greg Joyce
Reviewed-by: Jonathan Derrick
---
block/Makefile | 2 +-
block/sed-opal-key.c | 24
include/linux/sed-opal-key.h
On Fri, Jul 21, 2023, Isaku Yamahata wrote:
> On Fri, Jul 21, 2023 at 02:13:14PM +0800,
> Yuan Yao wrote:
> > > +static int kvm_gmem_error_page(struct address_space *mapping, struct
> > > page *page)
> > > +{
> > > + struct list_head *gmem_list = >private_list;
> > > + struct kvm_memory_slot
From: Greg Joyce
Extend the SED block driver so it can alternatively
obtain a key from a sed-opal kernel keyring. The SED
ioctls will indicate the source of the key, either
directly in the ioctl data or from the keyring.
This allows the use of SED commands in scripts such as
udev scripts so
From: Greg Joyce
This is used in conjunction with IOC_OPAL_REVERT_TPR to return a drive to
Original Factory State without erasing the data. If IOC_OPAL_REVERT_LSP
is called with opal_revert_lsp.options bit OPAL_PRESERVE set prior
to calling IOC_OPAL_REVERT_TPR, the drive global locking range
On Fri, 21 Jul 2023 12:26:32 -0400 Steven Rostedt wrote:
> > if (!(in_hardirq() || irqs_disabled()))
> >
>
> Yeah, probably.
>
> > , nothing more elegant / already existing / ...?
>
> It's not a common check. What would you call that?
Looks like Olek started the weekend already so let me
On Tue, Jul 18, 2023 at 04:44:55PM -0700, Sean Christopherson wrote:
> TODO
>
> Cc: Fuad Tabba
> Cc: Vishal Annapurve
> Cc: Ackerley Tng
> Cc: Jarkko Sakkinen
> Cc: Maciej Szmigiero
> Cc: Vlastimil Babka
> Cc: David Hildenbrand
> Cc: Quentin Perret
> Cc: Michael Roth
> Cc: Wang
> Cc:
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