A thread started via eg. user_mode_thread() runs in the kernel to begin
with and then may later return to userspace. While it's running in the
kernel it has a pt_regs at the base of its kernel stack, but that
pt_regs is all zeroes.
If the thread oopses in that state, it leads to an ugly stack trac
On Tue, 2023-08-22 at 16:33 -0500, Nathan Lynch via B4 Relay wrote:
> From: Nathan Lynch
Hi Nathan,
snowpatch has found a compiler error with this patch.
Error: papr_vpd.c:346:33: error: passing argument 2 of 'test_harness'
discards 'const' qualifier from pointer target type [-Werror=dis
On 8/17/23 19:50, Trevor Woerner wrote:
Drop CONFIG_IP_NF_TARGET_CLUSTERIP as it was removed in commit 9db5d918e2c0
("netfilter: ip_tables: remove clusterip target").
Drop CONFIG_NFT_OBJREF as it was removed in commit d037abc2414b
("netfilter: nft_objref: make it builtin").
Signed-off-by: Trevo
When the power rail gets cut off, the hardware can create some electric
noise on the link that triggers AER. If IRQ is shared between AER with
PME, such AER noise will cause a spurious wakeup on system suspend.
When the power rail gets back, the firmware of the device resets itself
and can create
When the power rail gets cut off, the hardware can create some electric
noise on the link that triggers AER. If IRQ is shared between AER with
PME, such AER noise will cause a spurious wakeup on system suspend.
When the power rail gets back, the firmware of the device resets itself
and can create
On Wed, Aug 23, 2023 at 01:47:15PM -0300, Jason Gunthorpe wrote:
> This allows a driver to set a global static to an IDENTITY domain and
> the core code will automatically use it whenever an IDENTITY domain
> is requested.
>
> By making it always available it means the IDENTITY can be used in erro
On Thu, Aug 24, 2023 at 5:15 AM Paul E. McKenney wrote:
>
> On Tue, May 02, 2023 at 11:06:02PM +0800, zhouzho...@gmail.com wrote:
> > From: Zhouyi Zhou
> >
> > Currently, default time between rcu torture forward-progress tests is 60HZ,
> > Under this configuration, false positive caused by __stac
On Tue, 22 Aug 2023 07:31:54 +
Christophe Leroy wrote:
> Le 18/08/2023 à 18:23, Erhard Furtner a écrit :
> > On Fri, 18 Aug 2023 15:47:38 +
> > Christophe Leroy wrote:
> >
> >> I'm wondering if the problem is just linked to the kernel being built
> >> with CONFIG_SMP or if it is the a
On 8/18/23 01:07, Geert Uytterhoeven wrote:
> Hi all,
>
> This patch series removes all unused headers and
> . was still included by 3 PATA
> drivers for m68k platforms, but without any real need.
>
> The first 5 patches have no dependencies.
> The last patch depends on the 3 pata patche
On Tue, May 02, 2023 at 11:06:02PM +0800, zhouzho...@gmail.com wrote:
> From: Zhouyi Zhou
>
> Currently, default time between rcu torture forward-progress tests is 60HZ,
> Under this configuration, false positive caused by __stack_chk_fail [1] is
> difficult to reproduce (needs average 5*420 seco
On Sun, Jul 2, 2023 at 10:01 PM Viresh Kumar wrote:
>
> On 09-06-23, 12:31, Rob Herring wrote:
> > Use the recently added of_property_read_reg() helper to get the
> > untranslated "reg" address value.
> >
> > Signed-off-by: Rob Herring
> > ---
> > drivers/cpufreq/pmac32-cpufreq.c | 5 ++---
> >
Even though dma-iommu.c and CONFIG_ARM_DMA_USE_IOMMU do approximately the
same stuff, the way they relate to the IOMMU core is quiet different.
dma-iommu.c expects the core code to setup an UNMANAGED domain (of type
IOMMU_DOMAIN_DMA) and then configures itself to use that domain. This
becomes the
Prior to commit 1b932ceddd19 ("iommu: Remove detach_dev callbacks") the
sun50i_iommu_detach_device() function was being called by
ops->detach_dev().
This is an IDENTITY domain so convert sun50i_iommu_detach_device() into
sun50i_iommu_identity_attach() and a full IDENTITY domain and thus hook it
ba
These drivers are all trivially converted since the function is only
called if the domain type is going to be
IOMMU_DOMAIN_UNMANAGED/DMA.
Tested-by: Heiko Stuebner
Tested-by: Steven Price
Tested-by: Marek Szyprowski
Tested-by: Nicolin Chen
Reviewed-by: Lu Baolu
Signed-off-by: Jason Gunthorpe
What exynos calls exynos_iommu_detach_device is actually putting the iommu
into identity mode.
Move to the new core support for ARM_DMA_USE_IOMMU by defining
ops->identity_domain.
Tested-by: Marek Szyprowski
Acked-by: Marek Szyprowski
Signed-off-by: Jason Gunthorpe
---
drivers/iommu/exynos-io
What mtk does during mtk_iommu_v1_set_platform_dma() is actually putting
the iommu into identity mode. Make this available as a proper IDENTITY
domain.
The mtk_iommu_v1_def_domain_type() from
commit 8bbe13f52cb7 ("iommu/mediatek-v1: Add def_domain_type") explains
this was needed to allow probe_fin
What tegra-smmu does during tegra_smmu_set_platform_dma() is actually
putting the iommu into identity mode.
Move to the new core support for ARM_DMA_USE_IOMMU by defining
ops->identity_domain.
Reviewed-by: Lu Baolu
Signed-off-by: Jason Gunthorpe
---
drivers/iommu/tegra-smmu.c | 37
This callback requests the driver to create only a __IOMMU_DOMAIN_PAGING
domain, so it saves a few lines in a lot of drivers needlessly checking
the type.
More critically, this allows us to sweep out all the
IOMMU_DOMAIN_UNMANAGED and IOMMU_DOMAIN_DMA checks from a lot of the
drivers, simplifying
All ARM64 iommu drivers should support IOMMU_DOMAIN_DMA to enable
dma-iommu.c.
tegra is blocking dma-iommu usage, and also default_domain's, because it
wants an identity translation. This is needed for some device quirk. The
correct way to do this is to support IDENTITY domains and use
ops->def_do
Thierry says this is not used anymore, and doesn't think it makes sense as
an iommu driver. The HW it supports is about 10 years old now and newer HW
uses different IOMMU drivers.
As this is the only driver with a GART approach, and it doesn't really
meet the driver expectations from the IOMMU cor
At this point every iommu driver will cause a default_domain to be
selected, so we can finally remove this gap from the core code.
The following table explains what each driver supports and what the
resulting default_domain will be:
ops->defaut_domain
It has been a long time coming, this series completes the default_domain
transition and makes it so that the core IOMMU code will always have a
non-NULL default_domain for every driver on every
platform. set_platform_dma_ops() turned out to be a bad idea, and so
completely remove it.
This is achie
Except for dart (which forces IOMMU_DOMAIN_DMA) every driver returns 0 or
IDENTITY from ops->def_domain_type().
The drivers that return IDENTITY have some kind of good reason, typically
that quirky hardware really can't support anything other than IDENTITY.
Arrange things so that if the driver sa
All drivers are now using IDENTITY or PLATFORM domains for what this did,
we can remove it now. It is no longer possible to attach to a NULL domain.
Tested-by: Heiko Stuebner
Tested-by: Niklas Schnelle
Tested-by: Steven Price
Tested-by: Marek Szyprowski
Tested-by: Nicolin Chen
Reviewed-by: Lu
Allocate a domain from a group. Automatically obtains the iommu_ops to use
from the device list of the group. Convert the internal callers to use it.
Tested-by: Steven Price
Tested-by: Marek Szyprowski
Tested-by: Nicolin Chen
Reviewed-by: Lu Baolu
Signed-off-by: Jason Gunthorpe
---
drivers/i
The PLATFORM domain will be set as the default domain and attached as
normal during probe. The driver will ignore the initial attach from a NULL
domain to the PLATFORM domain.
After this, the PLATFORM domain's attach_dev will be called whenever we
detach from an UNMANAGED domain (eg for VFIO). Thi
This brings back the ops->detach_dev() code that commit
1b932ceddd19 ("iommu: Remove detach_dev callbacks") deleted and turns it
into an IDENTITY domain.
Also reverts commit 584d334b1393 ("iommu/ipmmu-vmsa: Remove
ipmmu_utlb_disable()")
Reviewed-by: Lu Baolu
Signed-off-by: Jason Gunthorpe
---
What omap does during omap_iommu_set_platform_dma() is actually putting
the iommu into identity mode.
Move to the new core support for ARM_DMA_USE_IOMMU by defining
ops->identity_domain.
This driver does not support IOMMU_DOMAIN_DMA, however it cannot be
compiled on ARM64 either. Most likely it i
What msm does during msm_iommu_set_platform_dma() is actually putting the
iommu into identity mode.
Move to the new core support for ARM_DMA_USE_IOMMU by defining
ops->identity_domain.
This driver does not support IOMMU_DOMAIN_DMA, however it cannot be
compiled on ARM64 either. Most likely it is
These drivers don't support IOMMU_DOMAIN_DMA, so this commit effectively
allows them to support that mode.
The prior work to require default_domains makes this safe because every
one of these drivers is either compilation incompatible with dma-iommu.c,
or already establishing a default_domain. In
This allows a driver to set a global static to an IDENTITY domain and
the core code will automatically use it whenever an IDENTITY domain
is requested.
By making it always available it means the IDENTITY can be used in error
handling paths to force the iommu driver into a known state. Devices
impl
This driver is nonsensical. To not block migrating the core API away from
NULL default_domains give it a hacky of a PLATFORM domain that keeps it
working exactly as it always did.
Leave some comments around to warn away any future people looking at this.
Reviewed-by: Lu Baolu
Signed-off-by: Jaso
This is used when the iommu driver is taking control of the dma_ops,
currently only on S390 and power spapr. It is designed to preserve the
original ops->detach_dev() semantic that these S390 was built around.
Provide an opaque domain type and a 'default_domain' ops value that allows
the driver to
This brings back the ops->detach_dev() code that commit
1b932ceddd19 ("iommu: Remove detach_dev callbacks") deleted and turns it
into an IDENTITY domain.
Reviewed-by: Lu Baolu
Signed-off-by: Jason Gunthorpe
---
drivers/iommu/mtk_iommu.c | 23 +++
1 file changed, 23 insertion
This brings back the ops->detach_dev() code that commit
1b932ceddd19 ("iommu: Remove detach_dev callbacks") deleted and turns it
into an IDENTITY domain.
Reviewed-by: Lu Baolu
Signed-off-by: Jason Gunthorpe
---
drivers/iommu/arm/arm-smmu/qcom_iommu.c | 39 +
1 file chang
POWER is using the set_platform_dma_ops() callback to hook up its private
dma_ops, but this is buired under some indirection and is weirdly
happening for a BLOCKED domain as well.
For better documentation create a PLATFORM domain to manage the dma_ops,
since that is what it is for, and make the BL
* li...@treblig.org (li...@treblig.org) wrote:
> From: "Dr. David Alan Gilbert"
>
> PowerPC has a 'btext' font used for the console which is almost identical
> to the shared font_sun8x16, so use it rather than duplicating the data.
>
> They were actually identical until about a decade ago when
>
On Wed, Aug 16, 2023 at 11:53:16AM -0400, Frank Li wrote:
> On Mon, Jul 31, 2023 at 11:06:31AM -0400, Frank Li wrote:
> > On Thu, Jul 20, 2023 at 09:58:33AM -0400, Frank Li wrote:
> > > Add support to pass Link down notification to Endpoint function driver
> > > so that the LINK_DOWN event can be p
On Wed, Aug 16, 2023 at 11:53:16AM -0400, Frank Li wrote:
> On Mon, Jul 31, 2023 at 11:06:31AM -0400, Frank Li wrote:
> > On Thu, Jul 20, 2023 at 09:58:33AM -0400, Frank Li wrote:
> > > Add support to pass Link down notification to Endpoint function driver
> > > so that the LINK_DOWN event can be p
On Fri, Aug 11, 2023 at 7:05 PM Shengjiu Wang wrote:
>
> Hi Mark, Takashi
>
> On Thu, Aug 3, 2023 at 9:11 PM Shengjiu Wang wrote:
> >
> > On Thu, Aug 3, 2023 at 1:28 AM Mark Brown wrote:
> > >
> > > On Wed, Aug 02, 2023 at 10:41:43PM +0800, Shengjiu Wang wrote:
> > >
> > > > Currently the ASRC i
On powerpc64le checksum kunit tests work:
[2.011457][T1] KTAP version 1
[2.011662][T1] # Subtest: checksum
[2.011848][T1] 1..3
[2.034710][T1] ok 1 test_csum_fixed_random_inputs
[2.079325][T1] ok 2 test_csum_all_carry_inputs
[2.127102]
On 23/08/23 1:21 pm, Kajol Jain wrote:
Based on commit 7d54a4acd8c1 ("perf test: Skip watchpoint
tests if no watchpoints available"), hardware breakpoints
are not available for power9 platform and because of that
perf bench breakpoint run fails on power9 platform.
Add code to check for the retur
On Fri, 11 Aug 2023 18:20:39 +0800, Zheng Zengkai wrote:
> PCI core API pci_dev_id() can be used to get the BDF number for a pci
> device. We don't need to compose it mannually. Use pci_dev_id() to
> simplify the code a little bit.
>
>
Applied to powerpc/next.
[1/1] ocxl: Use pci_dev_id() to si
On Fri, 04 Aug 2023 15:56:30 +0800, Xiongfeng Wang wrote:
> PCI core add pci_find_vsec_capability() to query VSEC. We can use that
> core API to simplify the code.
>
> The only logical change is that pci_find_vsec_capability check the
> Vendor ID before finding the VSEC.
>
> PCI spec rev 5.0 says
On Fri, 04 Aug 2023 16:04:35 +0800, Xiongfeng Wang wrote:
> PCI core API pci_dev_id() can be used to get the BDF number for a pci
> device. We don't need to compose it mannually. Use pci_dev_id() to
> simplify the code a little bit.
>
>
Applied to powerpc/next.
[1/1] powerpc/powernv/pci: use pc
On Fri, 18 Aug 2023 10:37:37 +0530, Vaibhav Jain wrote:
> This minor patch enables config option GENERIC_IDLE_POLL_SETUP for arch
> powerpc. This should add support for kernel param 'nohlt'.
>
> Powerpc kernel also supports another kernel boot-time param called
> 'powersave' which can also be used
On Thu, 17 Aug 2023 07:50:10 -0400, Trevor Woerner wrote:
> Drop config options from defconfigs whose code has been removed.
>
> v3:
> While reorganizing the patches, I put the wrong commit message with the
> CONFIG_IP_NF_TARGET_CLUSTERIP option.
>
> v2:
> Generate arch-specific patches. In v1 I
On Wed, 02 Aug 2023 21:41:30 +0800, Yuan Tan wrote:
> Serial is a critical feature for logging and debuging, and the other
> architectures enable serial by default.
>
> Let's enable CONFIG_SERIAL_PMACZILOG and CONFIG_SERIAL_PMACZILOG_CONSOLE
> by default.
>
>
> [...]
Applied to powerpc/next.
[
On Tue, 04 Jul 2023 10:37:15 +0530, Sourabh Jain wrote:
> In case fadump_reserve_mem() fails to reserve memory, the
> reserve_dump_area_size variable will retain the reserve area size. This
> will lead to /sys/kernel/fadump/mem_reserved node displaying an incorrect
> memory reserved by fadump.
>
>
On Thu, 10 Nov 2022 09:19:29 +0800, ruanjinjie wrote:
> If device_register() returns error in ibmebus_bus_init(), name of kobject
> which is allocated in dev_set_name() called in device_add() is leaked.
>
> As comment of device_add() says, it should call put_device() to drop
> the reference count
On Wed, 09 Aug 2023 17:07:40 -0700, Randy Dunlap wrote:
> Don't use kernel-doc "/**" comment format for non-kernel-doc comments.
> This prevents a kernel-doc warning:
>
> arch/powerpc/platforms/pseries/plpks.c:186: warning: This comment starts
> with '/**', but isn't a kernel-doc comment. Refer
On Thu, 03 Aug 2023 11:33:52 -0700, Nick Desaulniers wrote:
> Clang didn't recognize the instruction tlbilxlpid. This was fixed in
> clang-18 [0] then backported to clang-17 [1]. To support clang-16 and
> older, rather than using that instruction bare in inline asm, add it to
> ppc-opcode.h and us
On Thu, 17 Aug 2023 11:11:56 -0700, ndesaulni...@google.com wrote:
> This reverts commit 9c87156cce5a63735d1218f0096a65c50a7a32aa.
>
> I have not been able to reproduce the reported -Wframe-larger-than=
> warning (or disassembly) with clang-11 or clang-18.
>
> I don't know precisely when this was
On Mon, 19 Jun 2023 15:17:18 +0530, Naveen N Rao wrote:
> Since RFC (*):
> - Patches 1 and 17 have been included in this series due to
> dependencies. Both had been posted out separately.
> - Patch 10 has a small change to not throw errors when checking
> instruction sequence generated by older
On Thu, 17 Aug 2023 11:21:51 -0500, Nathan Lynch wrote:
> Just some minor things to tidy up I noticed when adding tests.
>
Applied to powerpc/next.
[1/2] powerpc/selftests: sort mm/.gitignore, add exec_prot
https://git.kernel.org/powerpc/c/ae3a8cc292d01a1558dff837bb485712dfaeb9c6
[2/2] sel
On Thu, 17 Aug 2023 18:24:08 +0200, Michal Suchanek wrote:
> Avoid redefining the same value in multiple source.
>
>
Applied to powerpc/next.
[1/1] powerpc: Move DMA64_PROPNAME define to a header
https://git.kernel.org/powerpc/c/89c9ce1c99df553029fc4503506ff5a1793f3eaf
cheers
On Mon, 07 Aug 2023 00:09:52 +0900, Masahiro Yamada wrote:
> There is no EXPORT_SYMBOL line there, hence #include
> is unneeded.
>
>
Applied to powerpc/next.
[1/3] powerpc: remove unneeded #include
https://git.kernel.org/powerpc/c/3eb3f168e83aa7a7b8477507cf4b08b9515b4b13
[2/3] powerpc:
On Fri, 18 Aug 2023 16:59:07 +0530, Mahesh Salgaonkar wrote:
> Also, #define descriptive names for common rtas return codes and use it
> instead of numeric values.
>
>
Applied to powerpc/next.
[1/2] powerpc/rtas: export rtas_error_rc() for reuse.
https://git.kernel.org/powerpc/c/e160bf64e
On Wed, 09 Aug 2023 10:07:13 +0200, Linus Walleij wrote:
> Making virt_to_pfn() a static inline taking a strongly typed
> (const void *) makes the contract of a passing a pointer of that
> type to the function explicit and exposes any misuse of the
> macro virt_to_pfn() acting polymorphic and accep
On Sat, 29 Jul 2023 13:04:45 +0530, Kajol Jain wrote:
> The hcall H_GET_PERF_COUNTER_INFO can be used to get data related to
> chips, dimms and system topology, by passing different counter request
> values.
> Patchset adds sysfs files to "/sys/devices/hv_gpci/interface/"
> of hv_gpci pmu driver, w
On Wed, 16 Aug 2023 21:39:24 +, Justin Stitt wrote:
> `strncpy` is deprecated for use on NUL-terminated destination strings [1].
>
> `make_first_field()` should use similar implementation to `make_field()`
> due to memcpy having more obvious behavior here. The end result yields
> the same beha
On Fri, 09 Jun 2023 12:44:04 +0530, Hari Bathini wrote:
> Invoke ibm,os-term call with rtas_call_unlocked(), without using the
> RTAS spinlock, to avoid deadlock in the unlikely event of a machine
> crash while making an RTAS call.
>
>
Applied to powerpc/next.
[1/1] powerpc/fadump: invoke ibm,o
On Mon, 31 Jul 2023 17:25:39 +0530, Gautam Menghani wrote:
> Remove an unnecessary piece of code that does an endianness conversion but
> does not use the result. The following warning was reported by Clang's
> static analyzer:
>
> arch/powerpc/sysdev/xics/ics-opal.c:114:2: warning: Value stored t
On Thu, 22 Jun 2023 12:01:23 +0200, Christophe Leroy wrote:
> objtool report the following warning:
>
> arch/powerpc/kernel/ptrace/ptrace-view.o: warning: objtool:
> gpr32_set_common+0x23c (.text+0x860): redundant UACCESS disable
>
> gpr32_set_common() conditionnaly opens and closes UACCESS
On Fri, 18 Aug 2023 08:51:48 +0200, Christophe Leroy wrote:
> mpc512x_select_reset_compat() is only used in the file it
> is defined.
>
> Make it static.
>
> Move mpc512x_restart_init() after mpc512x_select_reset_compat().
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/512x: Make mpc512x_sel
On Thu, 17 Aug 2023 16:26:44 +0200, Christophe Leroy wrote:
> 4xx/iss476-smp_defconfig leads to:
>
> CC arch/powerpc/mm/nohash/tlb.o
> arch/powerpc/mm/nohash/tlb.c:322:13: error: no previous prototype for
> 'early_init_mmu_47x' [-Werror=missing-prototypes]
> 322 | void __init early_init_
On Tue, 15 Aug 2023 19:42:40 +0200, Christophe Leroy wrote:
> __set_pte_at() handles 3 main cases with #ifdefs plus the 'percpu'
> subcase which leads to code duplication.
>
> Rewrite the function using IS_ENABLED() to minimise the total number
> of cases and remove duplicated code.
>
>
> [...]
On Tue, 08 Aug 2023 08:04:38 +0200, Christophe Leroy wrote:
> tqm8xx_setup.c and fs_enet.h don't use any items provided by fs_pd.h
>
> Remove unneeded #include
>
>
Applied to powerpc/next.
[1/6] powerpc/include: Remove unneeded #include
https://git.kernel.org/powerpc/c/60bc069c433fc89c
On Wed, 21 Jun 2023 12:38:10 +0200, Christophe Leroy wrote:
> objtool reports two folliwng warnings:
> arch/powerpc/lib/sstep.o: warning: objtool: copy_mem_out+0x3c
> (.text+0x30c): call to __copy_mem_out() with UACCESS enabled
> arch/powerpc/lib/sstep.o: warning: objtool: emulate_dcbz+0x70
On Wed, 21 Jun 2023 12:40:50 +0200, Christophe Leroy wrote:
> That ifdef was introduced by commit 1458dd951f7c ("powerpc/8xx:
> Handle CPU6 ERRATA directly in mtspr() macro") and left over by
> commit 2a45addd21de ("powerpc/8xx: Remove CPU6 ERRATA Workaround")
>
> Remove it.
>
>
> [...]
Applied
On Wed, 09 Aug 2023 10:01:43 +0200, Christophe Leroy wrote:
> With skiboot_defconfig, Clang reports:
>
> CC arch/powerpc/mm/book3s64/radix_tlb.o
> arch/powerpc/mm/book3s64/radix_tlb.c:419:20: error: unused function
> '_tlbie_pid_lpid' [-Werror,-Wunused-function]
> static inline void _tlbie
On Fri, 18 Aug 2023 10:59:44 +0200, Christophe Leroy wrote:
> CC arch/powerpc/perf/core-fsl-emb.o
> arch/powerpc/perf/core-fsl-emb.c:675:6: error: no previous prototype for
> 'hw_perf_event_setup' [-Werror=missing-prototypes]
> 675 | void hw_perf_event_setup(int cpu)
> | ^~
On Wed, 16 Aug 2023 17:19:54 +0200, Christophe Leroy wrote:
> Since commit 905e75c46dba ("powerpc/fsl-pci: Unify pci/pcie initialization
> code")
> fsl_add_bridge() is not used anymore outside of fsl_pci.c
>
> Make it static.
>
>
Applied to powerpc/next.
[1/1] powerpc/fsl_pci: Make fsl_add_br
On Thu, 17 Aug 2023 14:26:45 +0200, Christophe Leroy wrote:
> A W=1 build of mpc885_ads_defconfig throws the following error:
>
> CC arch/powerpc/platforms/8xx/m8xx_setup.o
> arch/powerpc/platforms/8xx/m8xx_setup.c:41:1: error: no previous prototype
> for 'init_internal_rtc' [-Werror=missi
On Thu, 17 Aug 2023 10:05:08 +0200, Christophe Leroy wrote:
> Commit 859b21a008eb ("powerpc: drop PowerQUICC II Family ADS platform
> support") removed last user of pq2_init_pci.
>
> Remove it.
>
>
Applied to powerpc/next.
[1/1] powerpc/82xx: Remove pq2_init_pci
https://git.kernel.org/po
On Thu, 17 Aug 2023 10:05:49 +0200, Christophe Leroy wrote:
> CONFIG_8272 is never used, remove it.
>
> CONFIG_8260 is redundant with CONFIG_PPC_82xx, remove it.
>
>
Applied to powerpc/next.
[1/1] powerpc/82xx: Remove CONFIG_8260 and CONFIG_8272
https://git.kernel.org/powerpc/c/eb5aa2137
On Thu, 17 Aug 2023 14:40:49 +0200, Christophe Leroy wrote:
> Building ppc40x_defconfig throws the following error:
>
> CC arch/powerpc/kernel/traps.o
> arch/powerpc/kernel/traps.c:2232:29: warning: no previous prototype for
> 'WatchdogHandler' [-Wmissing-prototypes]
> 2232 | void __attri
On Thu, 17 Aug 2023 15:44:26 +0200, Christophe Leroy wrote:
> ppc4xx_defconfig with W=1 results in:
>
> CC arch/powerpc/platforms/44x/warp.o
> arch/powerpc/platforms/44x/warp.c:369:5: error: no previous prototype for
> 'pika_dtm_register_shutdown' [-Werror=missing-prototypes]
> 369 | int
On Thu, 17 Aug 2023 16:27:23 +0200, Christophe Leroy wrote:
> A W=1 build of ppc40x_defconfig throws the followings errors:
>
> CC arch/powerpc/platforms/4xx/uic.o
> arch/powerpc/platforms/4xx/uic.c:274:13: warning: no previous prototype for
> 'uic_init_tree' [-Wmissing-prototypes]
> 274
On Thu, 17 Aug 2023 16:25:49 +0200, Christophe Leroy wrote:
> A W=1 build of 44x/iss476-smp_defconfig gives:
>
> arch/powerpc/mm/nohash/44x.c:220:13: error: no previous prototype for
> 'mmu_init_secondary' [-Werror=missing-prototypes]
> 220 | void __init mmu_init_secondary(int cpu)
> |
On Wed, 16 Aug 2023 17:22:16 +0200, Christophe Leroy wrote:
> Replace printk(KERN_WARN with pr_warn(
>
> Remove a couple of blank lines
>
> Re-align multi-line code.
>
> Replace asm/io.h by linux/io.h
>
> [...]
Applied to powerpc/next.
[1/2] powerpc/83xx: Fix style problems in usb.c and remov
On Tue, 25 Jul 2023 10:58:37 +1000, Benjamin Gray wrote:
> While trying to test changes to the breakpoint implementation in the kernel, I
> tried to run the ptrace tests and met many unexplained skips and failures.
>
> This series addresses the pain points of trying to run these tests and learn
>
On Tue, 01 Aug 2023 11:17:37 +1000, Benjamin Gray wrote:
> Syzkaller triggered a null pointer dereference in the
> arch_unregister_hw_breakpoint() hook. This is due to accessing
> the bp->ctx->task field changing to -1 while we iterate the breakpoints.
>
> This series refactors the breakpoint trac
On Wed, 09 Aug 2023 15:10:08 +0200, Arnd Bergmann wrote:
> A while ago I created a2305e3de8193 ("powerpc: mark local variables
> around longjmp as volatile") in order to allow building powerpc with
> -Wextra enabled on gcc-11.
>
> I tried this again with gcc-13 and found two more of the same issue
On Tue, 01 Aug 2023 10:14:46 +0530, Aneesh Kumar K.V wrote:
> Parse the device tree in early init to find the memory block size to be
> used by the kernel. Consolidate the memory block size device tree parsing
> to one helper and use that on both powernv and pseries. We still want to
> use machine-
On Thu, 10 Aug 2023 16:19:18 +0200, Arnd Bergmann wrote:
> Most of the patches I sent so far for the -Wmissing-prototype warnings
> have made it into linux-next now. There are a few that I'm resending
> now as nobody has picked them up, and then a number of fixes that I
> found while test-building
Em Wed, Aug 23, 2023 at 01:21:03PM +0530, Kajol Jain escreveu:
> Based on commit 7d54a4acd8c1 ("perf test: Skip watchpoint
> tests if no watchpoints available"), hardware breakpoints
> are not available for power9 platform and because of that
> perf bench breakpoint run fails on power9 platform.
>
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller :
On Wed, 23 Aug 2023 14:51:39 +1000 you wrote:
> When building for power4, newer binutils don't recognise the "dcbfl"
> extended mnemonic.
>
> dcbfl RA, RB is equivalent to dcbf RA, RB, 1.
>
> Switch to "dcbf" to avoid t
Hi Kajol,
On Wed Aug 23, 2023 at 1:21 PM IST, Kajol Jain wrote:
> Based on commit 7d54a4acd8c1 ("perf test: Skip watchpoint
> tests if no watchpoints available"), hardware breakpoints
> are not available for power9 platform and because of that
> perf bench breakpoint run fails on power9 platform.
On Thu, Aug 17, 2023 at 07:50:13AM -0400, Trevor Woerner wrote:
> Drop CONFIG_IP_NF_TARGET_CLUSTERIP from any remaining mips defconfigs as it
> was removed in commit 9db5d918e2c0 ("netfilter: ip_tables: remove clusterip
> target").
>
> Signed-off-by: Trevor Woerner
> ---
> arch/mips/configs/ip22
Update JSON/events for power10 platform with additional metrics.
Signed-off-by: Kajol Jain
---
.../arch/powerpc/power10/metrics.json | 388 ++
1 file changed, 388 insertions(+)
diff --git a/tools/perf/pmu-events/arch/powerpc/power10/metrics.json
b/tools/perf/pmu-events/
Update JSON/Events list with data-source events for power10 platform.
Signed-off-by: Kajol Jain
---
.../arch/powerpc/power10/datasource.json | 1787 +
.../arch/powerpc/power10/others.json | 10 -
.../arch/powerpc/power10/translation.json |5 -
3 files chan
Based on commit 7d54a4acd8c1 ("perf test: Skip watchpoint
tests if no watchpoints available"), hardware breakpoints
are not available for power9 platform and because of that
perf bench breakpoint run fails on power9 platform.
Add code to check for the return value of perf_event_open()
in breakpoint
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