Re: [PATCH 9/8] mm: Account PMD tables like PTE tables

On Sat, Jun 27, 2020 at 07:46:42PM +0100, Matthew Wilcox wrote: > We account the PTE level of the page tables to the process in order to > make smarter OOM decisions and help diagnose why memory is fragmented. > For these same reasons, we should account pages allocated for PMDs. > With larger proce

Re: [PATCH 4/8] asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()

On Sat, Jun 27, 2020 at 08:03:04PM +0100, Matthew Wilcox wrote: > On Sat, Jun 27, 2020 at 05:34:49PM +0300, Mike Rapoport wrote: > > More elaborate versions on arm64 and x86 account memory for the user page > > tables and call to pgtable_pmd_page_ctor() as the part of PMD page > > initialization. >

Re: [PATCH v3 0/4] Migrate non-migrated pages of a SVM.

On Fri, Jun 19, 2020 at 03:43:38PM -0700, Ram Pai wrote: > The time taken to switch a VM to Secure-VM, increases by the size of the VM. > A > 100GB VM takes about 7minutes. This is unacceptable. This linear increase is > caused by a suboptimal behavior by the Ultravisor and the Hypervisor. The

Re: [PATCH v3 3/4] KVM: PPC: Book3S HV: migrate remaining normal-GFNs to secure-GFNs in H_SVM_INIT_DONE

On Fri, Jun 19, 2020 at 03:43:41PM -0700, Ram Pai wrote: > H_SVM_INIT_DONE incorrectly assumes that the Ultravisor has explicitly As noted in the last iteration, can you reword the above please? I don't see it as an incorrect assumption, but see it as extension of scope now :-) > called H_SVM_PAG

Re: [PATCH] kbuild: introduce ccflags-remove-y and asflags-remove-y

On Sun, 28 Jun 2020 10:50:41 +0900 Masahiro Yamada wrote: > CFLAGS_REMOVE_.o works per object, that is, there is no > convenient way to filter out flags for every object in a directory. > > Add ccflags-remove-y and asflags-remove-y to make it easily. > > Use ccflags-remove-y to clean up some Ma

Re: [PATCH v3 0/4] Migrate non-migrated pages of a SVM.

On Sun, Jun 28, 2020 at 09:41:53PM +0530, Bharata B Rao wrote: > On Fri, Jun 19, 2020 at 03:43:38PM -0700, Ram Pai wrote: > > The time taken to switch a VM to Secure-VM, increases by the size of the > > VM. A > > 100GB VM takes about 7minutes. This is unacceptable. This linear increase > > is >

Re: [PATCH v2 1/3] powerpc/mm: Enable radix GTSE only if supported.

On Fri, Jun 26, 2020 at 05:55:30PM -0300, Murilo Opsfelder Araújo wrote: > > diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c > > index bc73abf0bc25..152aa0200cef 100644 > > --- a/arch/powerpc/mm/init_64.c > > +++ b/arch/powerpc/mm/init_64.c > > @@ -407,12 +407,15 @@ static void _

Re: [PATCH 1/2] powerpc/64s: remove PROT_SAO support

Excerpts from Michael Ellerman's message of June 12, 2020 4:14 pm: > Nicholas Piggin writes: >> ISA v3.1 does not support the SAO storage control attribute required to >> implement PROT_SAO. PROT_SAO was used by specialised system software >> (Lx86) that has been discontinued for about 7 years, an

Re: [PATCH] kbuild: introduce ccflags-remove-y and asflags-remove-y

Masahiro Yamada writes: > CFLAGS_REMOVE_.o works per object, that is, there is no > convenient way to filter out flags for every object in a directory. > > Add ccflags-remove-y and asflags-remove-y to make it easily. > > Use ccflags-remove-y to clean up some Makefiles. > > Suggested-by: Sami Tolva

Re: [PATCH 04/11] ppc64/kexec_file: avoid stomping memory used by special regions

On 28/06/20 7:44 am, piliu wrote: > Hi Hari, Hi Pingfan, > > After a quick through for this series, I have a few question/comment on > this patch for the time being. Pls see comment inline. > > On 06/27/2020 03:05 AM, Hari Bathini wrote: >> crashkernel region could have an overlap with speci

Re: [PATCH 01/11] kexec_file: allow archs to handle special regions while locating memory hole

On 28/06/20 7:58 am, piliu wrote: > Hi Hari, > > If in [4/11], get_exclude_memory_ranges() turns out to be unnecessary > ,then this patch is abundant either. As my understanding, memblock has > already helped to achieved the purpose that get_exclude_memory_ranges() > wants. As mentioned in th

Re: [PATCH v2] powerpc: Drop CONFIG_MTD_M25P80 in 85xx-hw.config

Bin Meng writes: > On Sat, May 2, 2020 at 12:45 PM Bin Meng wrote: >> >> From: Bin Meng >> >> Drop CONFIG_MTD_M25P80 that was removed in >> commit b35b9a10362d ("mtd: spi-nor: Move m25p80 code in spi-nor.c") >> >> Signed-off-by: Bin Meng >> >> --- >> >> Changes in v2: >> - correct the typo (5xx

Re: [PATCH 02/11] powerpc/kexec_file: mark PPC64 specific code

Hi Christophe Thanks for the review... On 27/06/20 12:12 pm, Christophe Leroy wrote: > > > Le 26/06/2020 à 21:04, Hari Bathini a écrit : >> Some of the kexec_file_load code isn't PPC64 specific. Move PPC64 >> specific code from kexec/file_load.c to kexec/file_load_64.c. Also, >> rename purgator

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

Hi Michael, I see this patch is marked as "defered" in patchwork, but I can't see any related discussion. Is it normal ? Christophe Le 16/04/2020 à 14:39, Christophe Leroy a écrit : At the time being, __put_user()/__get_user() and friends only use D-form addressing, with 0 offset. Ex:

[PATCH] ASoC: fsl_sai: Refine regcache usage with pm runtime

When there is dedicated power domain bound with device, after probing the power will be disabled, then registers are not accessible in fsl_sai_dai_probe(), so regcache only need to be enabled in end of probe() and regcache_mark_dirty should be moved to pm runtime resume callback function. Signed-o