On Thu, 2022-05-12 at 13:15 +0530, Hari Bathini wrote:
> This adds two atomic opcodes BPF_XCHG and BPF_CMPXCHG on ppc64, both
> of which include the BPF_FETCH flag. The kernel's atomic_cmpxchg
> operation fundamentally has 3 operands, but we only have two register
> fields. Therefore the operand
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
branch HEAD: 5a915665235fbb6e13961870b670ba8445746f52 powerpc/64: Only WARN if
__pa()/__va() called with bad addresses
elapsed time: 725m
configs tested: 55
configs skipped: 3
The following configs have
On 12/05/2022 11:03, Petr Mladek wrote:
> Hello,
>
> first, I am sorry for stepping into the discussion so late.
> I was busy with some other stuff and this patchset is far
> from trivial.
>
> Second, thanks a lot for putting so much effort into it.
> Most of the changes look pretty good,
On 13/05/2022 11:44, Johannes Berg wrote:
> [...]
>> Maybe Anton / Johannes / Richard could give their opinions - appreciate
>> that, I'm not attached to the priority here, it's more about users'
>> common usage of UML I can think of...
>
> It's hard to say ... In a sense I'm not sure it matters?
The pull request you sent on Sun, 15 May 2022 21:57:18 +1000:
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
> tags/powerpc-5.18-5
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/bc403203d65a874df2f3156046468052e4109cb0
Thank you!
--
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Hi Linus,
Please pull another powerpc fix for 5.18:
The following changes since commit 348c71344111d7a48892e3e52264ff11956fc196:
powerpc/papr_scm: Fix buffer overflow issue with CONFIG_FORTIFY_SOURCE
(2022-05-06 12:44:03 +1000)
are available
On Tue, 10 May 2022 14:37:17 +0200, Alexander Graf wrote:
> Commit 863771a28e27 ("powerpc/32s: Convert switch_mmu_context() to C")
> moved the switch_mmu_context() to C. While in principle a good idea, it
> meant that the function now uses the stack. The stack is not accessible
> from real mode
On Wed, 30 Mar 2022 19:37:16 +0530, Naveen N. Rao wrote:
> Since v1, the main change is to use helpers to decode primary/extended
> opcode and the addition of macros for some of the used opcodes.
>
> - Naveen
>
>
>
> [...]
Applied to powerpc/next.
[1/3] powerpc: Sort and de-dup primary
On Wed, 4 May 2022 12:12:44 +0200, Laurent Dufour wrote:
> RTAS runs in real mode (MSR[DR] and MSR[IR] unset) and in 32bits
> big endian mode (MSR[SF,LE] unset).
>
> The change in MSR is done in enter_rtas() in a relatively complex way,
> since the MSR value could be hardcoded.
>
> Furthermore,
On Sat, 30 Apr 2022 20:56:54 +0200, Julia Lawall wrote:
> Various spelling mistakes in comments.
> Detected with the help of Coccinelle.
>
>
Applied to powerpc/next.
[1/1] powerpc: fix typos in comments
https://git.kernel.org/powerpc/c/1fd02f6605b855b4af2883f29a2abc88bdf17857
cheers
On Wed, 6 Apr 2022 08:23:17 +0200, Christophe Leroy wrote:
> CPM interrupt controller is quite standalone. Move it into a
> dedicated file. It will help for next step which will change
> it to a platform driver.
>
> This is pure code move, checkpatch report is ignored at this point,
> except one
On Fri, 11 Mar 2022 13:38:04 +0100, Christophe Leroy wrote:
> __do_irq() inconditionnaly calls ppc_md.get_irq()
>
> That's definitely a hot path.
>
> At the time being ppc_md.get_irq address is read every time
> from ppc_md structure.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc: Use
On Tue, 8 Mar 2022 20:20:20 +0100, Christophe Leroy wrote:
> Move pci_device_from_OF_node() in pci64.c because it needs definition
> of struct device_node and is not worth inlining.
>
> ppc32.c already has it in pci32.c.
>
> That way pci-bridge.h doesn't need linux/of.h (Brought by asm/prom.h
>
On Tue, 22 Mar 2022 16:40:17 +0100, Christophe Leroy wrote:
> This series reduces by 70% the time required to activate
> ftrace on an 8xx with CONFIG_STRICT_KERNEL_RWX.
>
> Measure is performed in function ftrace_replace_code() using mftb()
> around the loop.
>
> With the series,
> - Without
On Sat, 9 Apr 2022 19:17:24 +0200, Christophe Leroy wrote:
> Rebased on top of v5.18-rc1
>
> This series converts powerpc to default topdown mmap layout.
>
> First patch is a mm fix that should go into v5.18 and stable.
>
> Andrew, can you take it ?
>
> [...]
Patches 2-13 applied to
On Wed, 9 Mar 2022 08:56:14 +0100, Christophe Leroy wrote:
> rol32(x, 16) will do the rotate using rlwinm.
>
> No need to open code using inline assembly.
>
>
Applied to powerpc/next.
[1/1] powerpc: Use rol32() instead of opencoding in csum_fold()
On Sat, 12 Feb 2022 08:36:17 +0100, Christophe Leroy wrote:
> PPC64 does everything in C, gcc is able to skip calculation
> when one of the operands in zero.
>
> Move the constant folding in PPC32 part.
>
> This helps GCC and reduces ppc64_defconfig by 170 bytes.
>
> [...]
Applied to
On Mon, 21 Mar 2022 16:44:45 +0100, Christophe Leroy wrote:
> Aligning address to page boundary allows flush_tlb_kernel_range()
> to know it's a single page flush and use tlbie instead of tlbia.
>
> On 603 we now have the following code in first leg of
> change_page_attr():
>
> 2c: 55
On Mon, 21 Mar 2022 16:44:18 +0100, Christophe Leroy wrote:
> In the same spirit as commit 63f501e07a85 ("powerpc/8xx: Simplify TLB
> handling"), simplify flush_tlb_kernel_range() for 8xx.
>
> 8xx cannot be SMP, and has 'tlbie' and 'tlbia' instructions, so
> an inline version of
On Fri, 1 Apr 2022 19:15:53 +0200, Christophe Leroy wrote:
> powerpc's asm/prom.h brings some headers that it doesn't
> need itself.
>
> In order to clean it up, first add missing headers in
> users of asm/prom.h
>
>
> [...]
Applied to powerpc/next.
[1/1] macintosh: Prepare cleanup of
On Sat, 2 Apr 2022 11:52:33 +0200, Christophe Leroy wrote:
> powerpc's asm/prom.h brings some headers that it doesn't
> need itself.
>
> In order to clean it up, first add missing headers in
> users of asm/prom.h
>
>
> [...]
Applied to powerpc/next.
[1/1] cxl/ocxl: Prepare cleanup of
On Wed, 6 Apr 2022 17:00:38 +1000, Alexey Kardashevskiy wrote:
> So far the RELACOUNT tag from the ELF header was containing the exact
> number of R_PPC_RELATIVE/R_PPC64_RELATIVE relocations. However the LLVM's
> recent change [1] make it equal-or-less than the actual number which
> makes it
On Thu, 7 Apr 2022 00:57:59 +1000, Michael Ellerman wrote:
> In smp_85xx_start_cpu() we are passed an address but we're unsure if
> it's a real or virtual address, so there's a check to determine that.
>
> [...]
Applied to powerpc/next.
[3/6] powerpc/85xx: Fix virt_to_phys() off-by-one in
On Wed, 16 Mar 2022 18:42:39 +0800, YueHaibing wrote:
> pseries_eeh_init_edev() is exclusively in eeh_pseries.c,
> make it static and remove unused inline function.
> pseries_eeh_init_edev_recursive() is only called from files build
> wich CONFIG_HOTPLUG_PCI_RPA which depends on CONFIG_PSERIES and
On Mon, 2 May 2022 12:29:25 -0700, Randy Dunlap wrote:
> __setup() handlers should return 1 to obsolete_checksetup() in
> init/main.c to indicate that the boot option has been handled.
> A return of 0 causes the boot option/value to be listed as an Unknown
> kernel parameter and added to init's
On Mon, 2 May 2022 12:29:41 -0700, Randy Dunlap wrote:
> __setup() handlers should return 1 to obsolete_checksetup() in
> init/main.c to indicate that the boot option has been handled.
> A return of 0 causes the boot option/value to be listed as an Unknown
> kernel parameter and added to init's
On Fri, 18 Mar 2022 01:39:25 +1100, Michael Ellerman wrote:
> Add a test for a bug we had in the 4PB address space SLB handling. It
> was fixed in commit 4c2de74cc869 ("powerpc/64: Interrupts save PPR on
> stack rather than thread_struct").
>
>
Applied to powerpc/next.
[1/1] selftests/powerpc:
On Wed, 30 Mar 2022 21:54:37 +1030, Joel Stanley wrote:
> Currently the boot wrapper lacks a -mcpu option, so it will be built for
> the toolchain's default cpu. This is a problem if the toolchain defaults
> to a cpu with newer instructions.
>
> We could wire in TARGET_CPU but instead use the
On Fri, 15 Apr 2022 14:08:10 -0500, Bjorn Helgaas wrote:
> From: Bjorn Helgaas
>
> Only alpha, ia64, powerpc, and sh define SLOW_DOWN_IO, and there are no
> actual uses of it. The few references to it are in situations that are
> themselves unused. Remove them all.
>
> It should be safe to
On Mon, 18 Apr 2022 16:57:58 +0800, Hangyu Hua wrote:
> info_release() will be called in device_unregister() when info->dev's
> reference count is 0. So there is no need to call ocxl_afu_put() and
> kfree() again.
>
> Fix this by adding free_minor() and return to err_unregister error path.
>
>
On Mon, 4 Apr 2022 23:51:37 +0530, Hari Bathini wrote:
> An LPAR can be terminated by the POWER Hypervisor (PHYP) for various
> reasons. If FADump was configured when PHYP terminates the LPAR,
> platform-assisted dump is initiated to save the kernel dump. But CPU
> register data would not be
On Wed, 21 Apr 2021 23:20:52 +0530, Hari Bathini wrote:
> Dump capture would fail if capture kernel is not of the endianess as
> the production kernel, because the in-memory data structure (struct
> opal_fadump_mem_struct) shared across production kernel and capture
> kernel assumes the same
On Wed, 6 Apr 2022 15:08:36 +0530, Hari Bathini wrote:
> This series fixes a couple of issues in fadump and improves logging.
> The first patch fixes a bug that is observed when memory reserved for
> fadump is not adjacent to boot memory area. The second patch ensures
> mmap read succeeds for all
On Sun, 24 Apr 2022 13:40:14 -0500, frowand.l...@gmail.com wrote:
> From: Frank Rowand
>
> The last user of find_node_by_linuxphandle() was removed in v4.18-rc1
> by commit 30f4bbe0472a ("powerpc/boot: Remove support for Marvell MPSC serial
> controller")
> four years ago. This function is no
On Wed, 23 Mar 2022 19:43:42 +0200, Andy Shevchenko wrote:
> Let GPIO library to assign of_node from the parent device.
> This allows to move GPIO library and drivers to use fwnode
> APIs instead of being stuck with OF-only interfaces.
>
>
Applied to powerpc/next.
[1/1]
On Sun, 24 Apr 2022 16:26:41 +0800, Haowen Bai wrote:
> The function __perf_reg_mask has an unsigned return type, but returns a
> negative constant to indicate an error condition. So we change unsigned
> to int.
>
>
Applied to powerpc/next.
[1/1] selftests/powerpc/pmu: Fix unsigned function
On Mon, 22 Jun 2020 12:18:32 +1000, Alistair Popple wrote:
> Adds a simple test of some basic matrix multiply assist (MMA)
> instructions.
>
>
Applied to powerpc/next.
[1/1] selftests/powerpc: Add matrix multiply assist (MMA) test
Le 11/05/2022 à 09:25, Paul Mackerras a écrit :
> [Vous ne recevez pas souvent de courriers de la part de pau...@ozlabs.org.
> D?couvrez pourquoi cela peut ?tre important ? l'adresse
> https://aka.ms/LearnAboutSenderIdentification.]
>
> This patch series implements KASAN on 64-bit POWER with
Le 11/05/2022 à 09:28, Paul Mackerras a écrit :
> From: Daniel Axtens
>
> Implement a limited form of KASAN for Book3S 64-bit machines running under
> the Radix MMU, supporting only outline mode.
>
> - Enable the compiler instrumentation to check addresses and maintain the
> shadow
39 matches
Mail list logo
