On Fri, Jan 12, 2024 at 7:44 AM Chancel Liu wrote:
>
> Support SAI and MICFIL on i.MX95 platform
>
> changes in v2
> - Remove unnecessary "item" in fsl,micfil.yaml
> - Don't change alphabetical order in fsl,sai.yaml
>
> Chancel Liu (3):
> ASoC: dt-bindings: fsl,sai: Add compatible string for i.M
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Cc: Kunwu Chan
Signed-off-by: Kunwu Chan
---
arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c | 2 ++
1 file changed, 2 insertions(+
On 12/01/2024 06:49, Kunwu Chan wrote:
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Uniformly handle resource release in error paths. And when an
error occurs, an error pointer should be returned.
Fixes: bdecf76e319a ("cxl: Fix coredump genera
On Thu, Nov 30, 2023 at 04:07:03AM -0500, Shaoqin Huang wrote:
> From: Alexandru Elisei
>
> There are 25 header files today (found with grep -r "#ifndef __ASSEMBLY__)
> with functionality relies on the __ASSEMBLY__ prepocessor constant being
> correctly defined to work correctly. So far, kvm-unit
On Mon, Jan 15, 2024 at 4:27 AM Vitaly Wool wrote:
>
> On Fri, Jan 12, 2024 at 8:31 PM Yosry Ahmed wrote:
> >
> > The z3fold compressed pages allocator is not widely used, most users use
> > zsmalloc. The only disadvantage of zsmalloc in comparison is the
> > dependency on MMU, and zbud is a more
On Wed, Jan 03, 2024 at 05:14:11PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> Introduce a config option that will be selected as long as huge leaves are
> involved in pgtable (thp or hugetlbfs). It would be useful to mark any
> code with this new config that can process either hugetlb
On Wed, Jan 03, 2024 at 05:14:13PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> ARM defines pmd_thp_or_huge(), detecting either a THP or a huge PMD. It
> can be a helpful helper if we want to merge more THP and hugetlb code
> paths. Make it a generic default implementation, only exist w
On Wed, Jan 03, 2024 at 05:14:14PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> These macros can be helpful when we plan to merge hugetlb code into generic
> code. Move them out and define them even if !THP.
>
> We actually already defined HPAGE_PMD_NR for other reasons even if !THP.
>
On Wed, Jan 03, 2024 at 05:14:16PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> Hugepd format for GUP is only used in PowerPC with hugetlbfs. There are
> some kernel usage of hugepd (can refer to hugepd_populate_kernel() for
> PPC_8XX), however those pages are not candidates for GUP.
>
On Wed, Jan 03, 2024 at 05:14:17PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> All the fast-gup functions take a tail page to operate, always need to do
> page mask calculations before feeding that into record_subpages().
>
> Merge that logic into record_subpages(), so that it will do t
On Wed, Jan 03, 2024 at 05:14:18PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> no_page_table() is not yet used for hugetlb code paths. Make it prepared.
>
> The major difference here is hugetlb will return -EFAULT as long as page
> cache does not exist, even if VM_SHARED. See hugetlb_f
On Wed, Jan 03, 2024 at 05:14:19PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> Introduce "pud_t pud" in the function, so the code won't dereference *pudp
> multiple time. Not only because that looks less straightforward, but also
> because if the dereference really happened, it's not cl
On Wed, Jan 03, 2024 at 05:14:20PM +0800, pet...@redhat.com wrote:
> diff --git a/mm/gup.c b/mm/gup.c
> index 63845b3ec44f..760406180222 100644
> --- a/mm/gup.c
> +++ b/mm/gup.c
> @@ -525,6 +525,70 @@ static struct page *no_page_table(struct vm_area_struct
> *vma,
> return NULL;
> }
>
> +
On Wed, Jan 03, 2024 at 05:14:21PM +0800, pet...@redhat.com wrote:
> From: Peter Xu
>
> Replace pmd_trans_huge() with pmd_thp_or_huge() to also cover pmd_huge() as
> long as enabled.
>
> FOLL_TOUCH and FOLL_SPLIT_PMD only apply to THP, not yet huge.
>
> Since now follow_trans_huge_pmd() can pro
On Mon, Jan 15, 2024 at 4:27 AM Vitaly Wool wrote:
>
> On Fri, Jan 12, 2024 at 8:31 PM Yosry Ahmed wrote:
> >
> > The z3fold compressed pages allocator is not widely used, most users use
> > zsmalloc. The only disadvantage of zsmalloc in comparison is the
> > dependency on MMU, and zbud is a more
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit ede66cd22441820cbd399936bf84fdc4294bc7fa ]
With CONFIG_NUMA=n the build fails with:
arch/powerpc/mm/book3s64/pgtable.c:275:15: error: no previous prototype for
‘create_section_mapping’ [-Werror=missing-prototypes]
275 | int __meminit create_section_
From: Stephen Rothwell
[ Upstream commit 0d555b57ee660d8a871781c0eebf006e855e918d ]
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for
'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlo
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Michael Ellerman
[ Upstream commit ede66cd22441820cbd399936bf84fdc4294bc7fa ]
With CONFIG_NUMA=n the build fails with:
arch/powerpc/mm/book3s64/pgtable.c:275:15: error: no previous prototype for
‘create_section_mapping’ [-Werror=missing-prototypes]
275 | int __meminit create_section_
From: Stephen Rothwell
[ Upstream commit 0d555b57ee660d8a871781c0eebf006e855e918d ]
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for
'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlo
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Michael Ellerman
[ Upstream commit ede66cd22441820cbd399936bf84fdc4294bc7fa ]
With CONFIG_NUMA=n the build fails with:
arch/powerpc/mm/book3s64/pgtable.c:275:15: error: no previous prototype for
‘create_section_mapping’ [-Werror=missing-prototypes]
275 | int __meminit create_section_
From: Stephen Rothwell
[ Upstream commit 0d555b57ee660d8a871781c0eebf006e855e918d ]
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for
'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlo
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Michael Ellerman
[ Upstream commit ede66cd22441820cbd399936bf84fdc4294bc7fa ]
With CONFIG_NUMA=n the build fails with:
arch/powerpc/mm/book3s64/pgtable.c:275:15: error: no previous prototype for
‘create_section_mapping’ [-Werror=missing-prototypes]
275 | int __meminit create_section_
From: Stephen Rothwell
[ Upstream commit 0d555b57ee660d8a871781c0eebf006e855e918d ]
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for
'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlo
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Stephen Rothwell
[ Upstream commit 0d555b57ee660d8a871781c0eebf006e855e918d ]
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for
'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlo
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Stephen Rothwell
[ Upstream commit 0d555b57ee660d8a871781c0eebf006e855e918d ]
The linux-next build of powerpc64 allnoconfig fails with:
arch/powerpc/mm/book3s64/pgtable.c:557:5: error: no previous prototype for
'pmd_move_must_withdraw'
557 | int pmd_move_must_withdraw(struct spinlo
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: Kunwu Chan
[ Upstream commit f46c8a75263f97bda13c739ba1c90aced0d3b071 ]
kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Suggested-by: Christophe Leroy
Suggested-by: Michae
From: Michael Ellerman
[ Upstream commit f8d3555355653848082c351fa90775214fb8a4fa ]
With CONFIG_GENERIC_BUG=n the build fails with:
arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for
‘is_valid_bugaddr’ [-Werror=missing-prototypes]
1442 | int is_valid_bugaddr(unsigned long
From: Michael Ellerman
[ Upstream commit d8c3f243d4db24675b653f0568bb65dae34e6455 ]
With NUMA=n and FA_DUMP=y or PRESERVE_FA_DUMP=y the build fails with:
arch/powerpc/kernel/fadump.c:1739:22: error: no previous prototype for
‘arch_reserved_kernel_pages’ [-Werror=missing-prototypes]
1739 |
From: Naveen N Rao
[ Upstream commit 8f9abaa6d7de0a70fc68acaedce290c1f96e2e59 ]
Some of the fp/vmx code in sstep.c assume a certain maximum size for the
instructions being emulated. The size of those operations however is
determined separately in analyse_instr().
Add a check to validate the ass
From: "Gustavo A. R. Silva"
[ Upstream commit aaa03fdb56c781db4a4831dd5d6ec8817918c726 ]
The compiler doesn't know that `32` is an offset into the Hash table:
56 struct Hash_ctx {
57 u8 H[16]; /* subkey */
58 u8 Htable[256]; /* Xi, Hash table(offset 32) */
59 };
So, i
From: "Gustavo A. R. Silva"
[ Upstream commit aaa03fdb56c781db4a4831dd5d6ec8817918c726 ]
The compiler doesn't know that `32` is an offset into the Hash table:
56 struct Hash_ctx {
57 u8 H[16]; /* subkey */
58 u8 Htable[256]; /* Xi, Hash table(offset 32) */
59 };
So, i
From: Arnd Bergmann
[ Upstream commit 64bac5ea17d527872121adddfee869c7a0618f8f ]
The prototype was hidden in an #ifdef on x86, which causes a warning:
kernel/irq_work.c:72:13: error: no previous prototype for 'arch_irq_work_raise'
[-Werror=missing-prototypes]
Some architectures have a working
From: Arnd Bergmann
[ Upstream commit 64bac5ea17d527872121adddfee869c7a0618f8f ]
The prototype was hidden in an #ifdef on x86, which causes a warning:
kernel/irq_work.c:72:13: error: no previous prototype for 'arch_irq_work_raise'
[-Werror=missing-prototypes]
Some architectures have a working
From: Arnd Bergmann
[ Upstream commit 64bac5ea17d527872121adddfee869c7a0618f8f ]
The prototype was hidden in an #ifdef on x86, which causes a warning:
kernel/irq_work.c:72:13: error: no previous prototype for 'arch_irq_work_raise'
[-Werror=missing-prototypes]
Some architectures have a working
From: Arnd Bergmann
[ Upstream commit 64bac5ea17d527872121adddfee869c7a0618f8f ]
The prototype was hidden in an #ifdef on x86, which causes a warning:
kernel/irq_work.c:72:13: error: no previous prototype for 'arch_irq_work_raise'
[-Werror=missing-prototypes]
Some architectures have a working
On 1/11/24 9:27 AM, Nathan Lynch wrote:
Haren Myneni writes:
VAS allocate, modify and deallocate HCALLs returns
H_LONG_BUSY_ORDER_1_MSEC or H_LONG_BUSY_ORDER_10_MSEC for busy
delay and expects OS to reissue HCALL after that delay. But using
msleep() will often sleep at least 20 msecs even th
On (24/01/15 08:47), Yosry Ahmed wrote:
> > At this point I NACK this patch. We're about to submit an allocator
> > which is clearly better that z3fold and is faster that zsmalloc in
> > most cases and that submission will mark z3fold as deprecated. But for
> > now this move is premature.
>
> I thi
On Fri, Jan 12, 2024 at 8:31 PM Yosry Ahmed wrote:
>
> The z3fold compressed pages allocator is not widely used, most users use
> zsmalloc. The only disadvantage of zsmalloc in comparison is the
> dependency on MMU, and zbud is a more common option for !MMU as it was
> the default zswap allocator
make coccicheck COCCI=$PWD/scripts/coccinelle/api/device_attr_show.cocci`
complians some warnnings as following[1]:
Not sure if someone had tried these fixes, feel free to ignore this
patch set if we have come to a *NOT-FIX* conclusion before :)
This patch set also fix a few snprintf() beside coc
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
> ./drivers/scsi/ibmvscsi/ibmvfc.c:3483:8-16
VAS allocate, modify and deallocate HCALLs returns
H_LONG_BUSY_ORDER_1_MSEC or H_LONG_BUSY_ORDER_10_MSEC for busy
delay and expects OS to reissue HCALL after that delay. But using
msleep() will often sleep at least 20 msecs even though the
hypervisor suggests OS reissue these HCALLs after 1 or 10ms
Le 15/01/2024 à 19:37, Jason Gunthorpe a écrit :
> On Wed, Jan 03, 2024 at 05:14:16PM +0800, pet...@redhat.com wrote:
>> From: Peter Xu
>>
>> Hugepd format for GUP is only used in PowerPC with hugetlbfs. There are
>> some kernel usage of hugepd (can refer to hugepd_populate_kernel() for
>> PPC_
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