Re: [PATCH 2/4] powerpc/64s: Add POWER10 store sync mnemonics

On Fri, 9 Jun 2023 at 10:01, Nicholas Piggin wrote: > > ISA v3.1 introduces new sync types for store ordering. > > stncisync > stcisync > stsync > > Add ppc-opcode defines for these. This changes PPC_RAW_SYNC to take > L,SC parameters and adds a PPC_RAW_HWSYNC for callers that want the >

[RFC PATCH 3/3] powernv/pci: Remove last IODA1 defines

Signed-off-by: Joel Stanley --- arch/powerpc/platforms/powernv/pci-ioda.c | 5 +++-- arch/powerpc/platforms/powernv/pci.h | 1 - 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index

[RFC PATCH 2/3] powerpc/pci: Remove MVE code

With IODA1 support gone the OPAL calls to set MVE are dead code. Remove them. TODO: Do we have rules for removing unused OPAL APIs? Should we leave it in opal.h? opal-call.c? Signed-off-by: Joel Stanley --- arch/powerpc/include/asm/opal.h| 3 ---

[RFC PATCH 1/3] powernv/pci: Remove ioda1 support

The final "VPL" Power7 boxes that were used for powernv bringup have been scrapped, meaning there are no machines with ioda1 left. This patch removes the obvious unused code. Signed-off-by: Joel Stanley --- arch/powerpc/platforms/powernv/pci-ioda.c | 448 +-

[RFC PATCH 0/3] powernv/pci: Remove unused IODA1 support

Oliver mentioned this code was only kept around to support the VPL Power7 boxes. Now that they are all gone, remove the code. Build and boot tested in qemu only. Joel Stanley (3): powernv/pci: Remove ioda1 support powerpc/pci: Remove MVE code powernv/pci: Remove last IODA1 defines

[PATCH] powerpc/xmon: Fix comparing pointer

Fix the following coccicheck warning: arch/powerpc/xmon/spu-dis.c:51:34-35: WARNING comparing pointer to 0 Signed-off-by: Yonggang Wu --- arch/powerpc/xmon/spu-dis.c | 384 ++-- 1 file changed, 193 insertions(+), 191 deletions(-) diff --git

Re: [RFC 0/3] Asynchronous EEH recovery

On Tue, Jun 13, 2023 at 11:44 AM Ganesh Goudar wrote: > > Hi, > > EEH recovery is currently serialized and these patches shorten > the time taken for EEH recovery by making the recovery to run > in parallel. The original author of these patches is Sam Bobroff, > I have rebased and tested these

[RFC 2/3] powerpc/eeh: Provide a unique ID for each EEH recovery

Based on the original work from Sam Bobroff. Give a unique ID to each recovery event, to ease log parsing and prepare for parallel recovery. Also add some new messages with a very simple format that may be useful to log-parsers. Signed-off-by: Ganesh Goudar ---

[RFC 3/3] powerpc/eeh: Asynchronous recovery

Based on the original work from Sam Bobroff. Currently, EEH recovery is entirely serialized and takes place within a single kernel thread. This can cause recovery to take a long time when there are many devices. To shorten recovery time, this change allows recovery to proceed in parallel in two

[RFC 1/3] powerpc/eeh: Synchronization for safety

Based on the original work from Sam Bobroff. There is currently little synchronization between EEH error detection (eeh_dev_check_failure()), EEH error recovery (eeh_handle_{normal,special}_event()) and the PCI subsystem (device addition and removal), and so there are race conditions that lead to

[RFC 0/3] Asynchronous EEH recovery

Hi, EEH recovery is currently serialized and these patches shorten the time taken for EEH recovery by making the recovery to run in parallel. The original author of these patches is Sam Bobroff, I have rebased and tested these patches. On powervm with 64 VFs from same PHB, I see approximately

[PATCH v9 01/42] mm: Rename arch pte_mkwrite()'s to pte_mkwrite_novma()

The x86 Shadow stack feature includes a new type of memory called shadow stack. This shadow stack memory has some unusual properties, which requires some core mm changes to function properly. One of these unusual properties is that shadow stack memory is writable, but only in limited ways. These

RE: [PATCH v5 25/26] PCI/AER: Forward RCH downstream port-detected errors to the CXL.mem dev handler

Terry Bowman wrote: > From: Robert Richter > > In Restricted CXL Device (RCD) mode a CXL device is exposed as an > RCiEP, but CXL downstream and upstream ports are not enumerated and > not visible in the PCIe hierarchy. [1] Protocol and link errors from > these non-enumerated ports are signaled

Re: [PATCH 00/13] mm: jit/text allocator

On Fri, Jun 09, 2023 at 10:02:16AM -0700, Song Liu wrote: > On Thu, Jun 8, 2023 at 11:41 AM Mike Rapoport wrote: > > > > On Tue, Jun 06, 2023 at 11:21:59AM -0700, Song Liu wrote: > > > On Mon, Jun 5, 2023 at 3:09 AM Mark Rutland wrote: > > > > > > [...] > > > > > > > > > > Can you give more

[PATCH v4 33/34] um: Convert {pmd, pte}_free_tlb() to use ptdescs

Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Also cleans up some spacing issues. Signed-off-by: Vishal Moola (Oracle) --- arch/um/include/asm/pgalloc.h | 18 +- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git

[PATCH v4 34/34] mm: Remove pgtable_{pmd, pte}_page_{ctor, dtor}() wrappers

These functions are no longer necessary. Remove them and cleanup Documentation referencing them. Signed-off-by: Vishal Moola (Oracle) --- Documentation/mm/split_page_table_lock.rst| 12 +-- .../zh_CN/mm/split_page_table_lock.rst| 14 ++--- include/linux/mm.h

[PATCH v4 32/34] sparc: Convert pgtable_pte_page_{ctor, dtor}() to ptdesc equivalents

Part of the conversions to replace pgtable pte constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) --- arch/sparc/mm/srmmu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index

[PATCH v4 30/34] sh: Convert pte_free_tlb() to use ptdescs

Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Also cleans up some spacing issues. Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Geert Uytterhoeven Acked-by: John Paul Adrian Glaubitz --- arch/sh/include/asm/pgalloc.h | 9 + 1 file

[PATCH v4 31/34] sparc64: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) --- arch/sparc/mm/init_64.c | 17 + 1 file changed, 9 insertions(+), 8 deletions(-) diff

[PATCH v4 29/34] riscv: Convert alloc_{pmd, pte}_late() to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 28/34] openrisc: Convert __pte_free_tlb() to use ptdescs

Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) --- arch/openrisc/include/asm/pgalloc.h | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/openrisc/include/asm/pgalloc.h

[PATCH v4 27/34] nios2: Convert __pte_free_tlb() to use ptdescs

Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) --- arch/nios2/include/asm/pgalloc.h | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/nios2/include/asm/pgalloc.h

[PATCH v4 26/34] mips: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 25/34] m68k: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 24/34] loongarch: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 23/34] hexagon: Convert __pte_free_tlb() to use ptdescs

Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) --- arch/hexagon/include/asm/pgalloc.h | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/hexagon/include/asm/pgalloc.h

[PATCH v4 22/34] csky: Convert __pte_free_tlb() to use ptdescs

Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Signed-off-by: Vishal Moola (Oracle) Acked-by: Guo Ren --- arch/csky/include/asm/pgalloc.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/csky/include/asm/pgalloc.h

[PATCH v4 21/34] arm64: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) --- arch/arm64/include/asm/tlb.h | 14 -- arch/arm64/mm/mmu.c | 7 --- 2 files

[PATCH v4 20/34] arm: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. late_alloc() also uses the __get_free_pages() helper function. Convert this to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 18/34] mm: Remove page table members from struct page

The page table members are now split out into their own ptdesc struct. Remove them from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm_types.h | 14 -- include/linux/pgtable.h | 3 --- 2 files changed, 17 deletions(-) diff --git a/include/linux/mm_types.h

[PATCH v4 19/34] pgalloc: Convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 17/34] s390: Convert various pgalloc functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize

[PATCH v4 16/34] s390: Convert various gmap functions to use ptdescs

In order to split struct ptdesc from struct page, convert various functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola

[PATCH v4 15/34] x86: Convert various functions to use ptdescs

In order to split struct ptdesc from struct page, convert various functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola

[PATCH v4 14/34] powerpc: Convert various functions to use ptdescs

In order to split struct ptdesc from struct page, convert various functions to use ptdescs. Signed-off-by: Vishal Moola (Oracle) --- arch/powerpc/mm/book3s64/mmu_context.c | 10 +++--- arch/powerpc/mm/book3s64/pgtable.c | 32 +- arch/powerpc/mm/pgtable-frag.c | 46

[PATCH v4 13/34] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor}

Creates pagetable_pte_ctor(), pagetable_pmd_ctor(), pagetable_pte_dtor(), and pagetable_pmd_dtor() and make the original pgtable constructor/destructors wrappers. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 56 ++ 1 file changed, 42

[PATCH v4 12/34] mm: Convert ptlock_free() to use ptdescs

This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 10 +- mm/memory.c| 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git

[PATCH v4 11/34] mm: Convert pmd_ptlock_free() to use ptdescs

This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h

[PATCH v4 10/34] mm: Convert ptlock_init() to use ptdescs

This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 14 +++--- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h

[PATCH v4 09/34] mm: Convert pmd_ptlock_init() to use ptdescs

This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 10 +- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h

[PATCH v4 08/34] mm: Convert ptlock_ptr() to use ptdescs

This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- arch/x86/xen/mmu_pv.c | 2 +- include/linux/mm.h| 14 +++--- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git

[PATCH v4 07/34] mm: Convert ptlock_alloc() to use ptdescs

This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 6 +++--- mm/memory.c| 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h

[PATCH v4 04/34] pgtable: Create struct ptdesc

Currently, page table information is stored within struct page. As part of simplifying struct page, create struct ptdesc for page table information. Signed-off-by: Vishal Moola (Oracle) --- include/linux/pgtable.h | 51 + 1 file changed, 51 insertions(+)

[PATCH v4 06/34] mm: Convert pmd_pgtable_page() to pmd_ptdesc()

Converts pmd_pgtable_page() to pmd_ptdesc() and all its callers. This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) --- include/linux/mm.h | 8 1 file changed, 4 insertions(+), 4

[PATCH v4 05/34] mm: add utility functions for ptdesc

Introduce utility functions setting the foundation for ptdescs. These will also assist in the splitting out of ptdesc from struct page. Functions that focus on the descriptor are prefixed with ptdesc_* while functions that focus on the pagetable are prefixed with pagetable_*. pagetable_alloc()

[PATCH v4 03/34] s390: Use pt_frag_refcount for pagetables

s390 currently uses _refcount to identify fragmented page tables. The page table struct already has a member pt_frag_refcount used by powerpc, so have s390 use that instead of the _refcount field as well. This improves the safety for _refcount and the page table tracking. This also allows us to

[PATCH v4 02/34] s390: Use _pt_s390_gaddr for gmap address tracking

s390 uses page->index to keep track of page tables for the guest address space. In an attempt to consolidate the usage of page fields in s390, replace _pt_pad_2 with _pt_s390_gaddr to replace page->index in gmap. This will help with the splitting of struct ptdesc from struct page, as well as

[PATCH v4 01/34] mm: Add PAGE_TYPE_OP folio functions

No folio equivalents for page type operations have been defined, so define them for later folio conversions. Also changes the Page##uname macros to take in const struct page* since we only read the memory here. Signed-off-by: Vishal Moola (Oracle) --- include/linux/page-flags.h | 20

[PATCH v4 00/34] Split ptdesc from struct page

The MM subsystem is trying to shrink struct page. This patchset introduces a memory descriptor for page table tracking - struct ptdesc. This patchset introduces ptdesc, splits ptdesc from struct page, and converts many callers of page table constructor/destructors to use ptdescs. Ptdesc is a

Re: [PATCH v14 00/15] phy: Add support for Lynx 10G SerDes

On 6/12/23 12:33, Vladimir Oltean wrote: > On Mon, Jun 12, 2023 at 10:35:21AM -0400, Sean Anderson wrote: >> > And if SERDES protocol switching was not physically possible, would this >> > patch set still have value? More to the point, did you make any progress in this area? >> Yes. To e.g. set

Re: [PATCH v1 07/21] m68k/kexec: refactor for kernel/Kconfig.kexec

On Mon, Jun 12, 2023 at 7:29 PM Eric DeVolder wrote: > The kexec and crash kernel options are provided in the common > kernel/Kconfig.kexec. Utilize the common options and provide > the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the > equivalent set of KEXEC and CRASH options. > >

[PATCH v1 01/21] kexec: consolidate kexec and crash options into kernel/Kconfig.kexec

The config options for kexec and crash features are consolidated into new file kernel/Kconfig.kexec. Under the "General Setup" submenu is a new submenu "Kexec and crash handling" where all the kexec and crash options that were once in the arch-dependent submenu "Processor type and features" are

[PATCH v1 08/21] mips/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/mips/Kconfig | 32

[PATCH v1 12/21] s390/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/s390/Kconfig | 65

[PATCH v1 11/21] riscv/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/riscv/Kconfig | 48

[PATCH v1 06/21] loongarch/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/loongarch/Kconfig | 26

[PATCH v1 07/21] m68k/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/m68k/Kconfig | 19

[PATCH v1 04/21] ia64/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/ia64/Kconfig | 28

[PATCH v1 09/21] parisc/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/parisc/Kconfig | 34

[PATCH v1 00/21] refactor Kconfig to consolidate KEXEC and CRASH options

The Kconfig is refactored to consolidate KEXEC and CRASH options from various arch//Kconfig files into new file kernel/Kconfig.kexec. The Kconfig.kexec is now a submenu titled "Kexec and crash features" located under "General Setup". The following options are impacted: - KEXEC - KEXEC_FILE -

[PATCH v1 03/21] arm/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/arm/Kconfig | 29

[PATCH v1 02/21] x86/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/x86/Kconfig | 89

[PATCH v1 05/21] arm64/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/arm64/Kconfig | 61

[PATCH v1 13/21] sh/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder --- arch/sh/Kconfig | 46

[PATCH v1 10/21] powerpc/kexec: refactor for kernel/Kconfig.kexec

The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_HAS_ and ARCH_SUPPORTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Signed-off-by: Eric DeVolder Reviewed-by: Sourabh Jain ---

Re: [PATCH v1 00/21] refactor Kconfig to consolidate KEXEC and CRASH options

My apologies, but this patch series is 13 patches, not 21. The last patch is "PATCH v1 13/21 sh/kexec: refactor for kernel/Kconfig.kexec" I'll correct for v2. eric On 6/12/23 12:27, Eric DeVolder wrote: The Kconfig is refactored to consolidate KEXEC and CRASH options from various arch//Kconfig

[RFC PATCH 1/1] powerpc: update ppc_save_regs to save current r1 in pt_regs

ppc_save_regs() skips one stack frame while saving the CPU register states. Instead of saving current R1, it pulls the previous stack frame pointer. When vmcores caused by direct panic call (such as `echo c > /proc/sysrq-trigger`), are debugged with gdb, gdb fails to show the backtrace correctly.

Re: [PATCH 8/9] powerpc: Add HOTPLUG_SMT support

On 10/06/2023 23:10:02, Thomas Gleixner wrote: > On Thu, Jun 01 2023 at 18:19, Laurent Dufour wrote: >> @@ -435,12 +435,17 @@ void __init cpu_smt_disable(bool force) >> * The decision whether SMT is supported can only be done after the full >> * CPU identification. Called from architecture

Re: [PATCH 8/9] powerpc: Add HOTPLUG_SMT support

On Mon, Jun 12 2023 at 17:20, Laurent Dufour wrote: > On 10/06/2023 23:10:02, Thomas Gleixner wrote: >> This needs more thoughts to avoid a completely inconsistent duct tape >> mess. > > Despite the test against smt_enabled_at_boot, mentioned above, I can't see > anything else to rework. Am I

Re: [PATCH v14 00/15] phy: Add support for Lynx 10G SerDes

On Mon, Jun 12, 2023 at 10:35:21AM -0400, Sean Anderson wrote: > > And if SERDES protocol switching was not physically possible, would this > > patch set still have value? > > Yes. To e.g. set up SGMII25 or to fix the clocking situation. Let me analyze the reasons one by one. The clocking

Re: [PATCH v4 1/1] PCI: layerscape: Add the endpoint linkup notifier support

On Mon, May 15, 2023 at 11:10:49AM -0400, Frank Li wrote: > Layerscape has PME interrupt, which can be used as linkup notifier. > Set CFG_READY bit of PEX_PF0_CONFIG to enable accesses from root complex > when linkup detected. > > Acked-by: Manivannan Sadhasivam > Signed-off-by: Xiaowei Bao >

Re: [PATCH v14 00/15] phy: Add support for Lynx 10G SerDes

On 6/10/23 18:21, Vladimir Oltean wrote: > Hello Sean, > > On Fri, Jun 09, 2023 at 03:19:22PM -0400, Sean Anderson wrote: >> On 5/22/23 11:00, Vladimir Oltean wrote: >> > On Mon, May 22, 2023 at 10:42:04AM -0400, Sean Anderson wrote: >> >> Have you had a chance to review this driver? >> > >> >

Re: [PATCH v5 15/18] watchdog/perf: Add a weak function for an arch to detect if perf can use NMIs

On Mon, Jun 12, 2023 at 06:55:37AM -0700, Doug Anderson wrote: > Mark, > > On Mon, Jun 12, 2023 at 3:33 AM Mark Rutland wrote: > > > > On Fri, May 19, 2023 at 10:18:39AM -0700, Douglas Anderson wrote: > > > On arm64, NMI support needs to be detected at runtime. Add a weak > > > function to the

Re: [PATCH v5 15/18] watchdog/perf: Add a weak function for an arch to detect if perf can use NMIs

Mark, On Mon, Jun 12, 2023 at 3:33 AM Mark Rutland wrote: > > On Fri, May 19, 2023 at 10:18:39AM -0700, Douglas Anderson wrote: > > On arm64, NMI support needs to be detected at runtime. Add a weak > > function to the perf hardlockup detector so that an architecture can > > implement it to

Re: [PATCH v5 15/18] watchdog/perf: Add a weak function for an arch to detect if perf can use NMIs

On Fri, May 19, 2023 at 10:18:39AM -0700, Douglas Anderson wrote: > On arm64, NMI support needs to be detected at runtime. Add a weak > function to the perf hardlockup detector so that an architecture can > implement it to detect whether NMIs are available. > > Signed-off-by: Douglas Anderson >