RE: [PATCH v4 1/2] dma-direct: provide the ability to reserve per-numa CMA

2020-07-28 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Christoph Hellwig [mailto:h...@lst.de] > Sent: Tuesday, July 28, 2020 11:53 PM > To: Song Bao Hua (Barry Song) > Cc: h...@lst.de; m.szyprow...@samsung.com; robin.mur...@arm.com; > w...@kernel.org; ganapatrao.kulka...@cavium.com; > ca

RE: [PATCH v3 1/2] dma-direct: provide the ability to reserve per-numa CMA

2020-07-23 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Christoph Hellwig [mailto:h...@lst.de] > Sent: Friday, July 24, 2020 12:01 AM > To: Song Bao Hua (Barry Song) > Cc: Christoph Hellwig ; m.szyprow...@samsung.com; > robin.mur...@arm.com; w...@kernel.org; ganapatrao.kulka...@cavium.c

RE: [RESEND PATCH v5] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-07-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Friday, July 17, 2020 1:51 AM > To: a...@linux-foundation.org; herb...@gondor.apana.org.au; > da...@davemloft.net > Cc: linux-cry...@vger.kernel.org; linux...@kvack.org; > linux-kernel@vger.kernel.org

RE: [PATCH v3 1/2] dma-direct: provide the ability to reserve per-numa CMA

2020-07-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Christoph Hellwig [mailto:h...@lst.de] > Sent: Thursday, July 23, 2020 2:30 AM > To: Song Bao Hua (Barry Song) > Cc: h...@lst.de; m.szyprow...@samsung.com; robin.mur...@arm.com; > w...@kernel.org; ganapatrao.kulka...@cavium.com; > ca

RE: [PATCH v3 1/2] dma-direct: provide the ability to reserve per-numa CMA

2020-07-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Christoph Hellwig [mailto:h...@lst.de] > Sent: Thursday, July 23, 2020 2:17 AM > To: Song Bao Hua (Barry Song) > Cc: h...@lst.de; m.szyprow...@samsung.com; robin.mur...@arm.com; > w...@kernel.org; ganapatrao.kulka...@cavium.com; > ca

RE: [PATCH] iommu/arm-smmu-v3: remove the approach of MSI polling for CMD SYNC

2020-07-20 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Friday, July 17, 2020 9:06 PM > To: 'Robin Murphy' ; w...@kernel.org; > j...@8bytes.org > Cc: linux-kernel@vger.kernel.org; Linuxarm ; > linux-arm-ker...@lists.infradead.org; io...@lists.linux-foundat

RE: [PATCH] iommu/arm-smmu-v3: remove the approach of MSI polling for CMD SYNC

2020-07-17 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Robin Murphy [mailto:robin.mur...@arm.com] > Sent: Friday, July 17, 2020 8:55 PM > To: Song Bao Hua (Barry Song) ; w...@kernel.org; > j...@8bytes.org > Cc: linux-kernel@vger.kernel.org; Linuxarm ; > linux-arm-ker...@lists.infradead.o

RE: [PATCH v3 0/2] make dma_alloc_coherent NUMA-aware by per-NUMA CMA

2020-07-12 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Sunday, June 28, 2020 11:13 PM > To: h...@lst.de; m.szyprow...@samsung.com; robin.mur...@arm.com; > w...@kernel.org; ganapatrao.kulka...@cavium.com; > catalin.mari...@arm.com > Cc: io...@lists.linux-fou

RE: [PATCH v2] mm/hugetlb: split hugetlb_cma in nodes with memory

2020-07-10 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Anshuman Khandual [mailto:anshuman.khand...@arm.com] > Sent: Friday, July 10, 2020 8:59 PM > To: Song Bao Hua (Barry Song) ; > a...@linux-foundation.org > Cc: x...@kernel.org; linux...@kvack.org; linux-kernel@vger.kernel.org; > Lin

RE: [PATCH v3] mm/hugetlb: avoid hardcoding while checking if cma is enable

2020-07-09 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Mike Kravetz [mailto:mike.krav...@oracle.com] > Sent: Friday, July 10, 2020 6:58 AM > To: Song Bao Hua (Barry Song) ; Roman > Gushchin > Cc: Andrew Morton ; linux...@kvack.org; > linux-kernel@vger.kernel.org; Linuxarm ; Jonathan >

RE: [PATCH] arm64: mm: free unused memmap for sparse memory model that define VMEMMAP

2020-07-09 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: liwei (CM) > Sent: Wednesday, July 8, 2020 7:52 PM > To: Song Bao Hua (Barry Song) ; > catalin.mari...@arm.com; w...@kernel.org > Cc: fengbaopeng ; nsaenzjulie...@suse.de; > steve.cap...@arm.com; r...@linux.ibm.com; > linux-arm-ke

RE: [PATCH v4] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-07-09 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-crypto-ow...@vger.kernel.org > [mailto:linux-crypto-ow...@vger.kernel.org] On Behalf Of Sebastian Andrzej > Siewior > Sent: Thursday, July 9, 2020 7:17 PM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb..

RE: [PATCH v4] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-07-09 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: owner-linux...@kvack.org [mailto:owner-linux...@kvack.org] On > Behalf Of Sebastian Andrzej Siewior > Sent: Thursday, July 9, 2020 8:41 PM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb...@gondor.apana.org.au; >

RE: [PATCH v4] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-07-09 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-crypto-ow...@vger.kernel.org > [mailto:linux-crypto-ow...@vger.kernel.org] On Behalf Of Sebastian Andrzej > Siewior > Sent: Thursday, July 9, 2020 7:39 PM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb..

RE: [PATCH v4] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-07-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-crypto-ow...@vger.kernel.org > [mailto:linux-crypto-ow...@vger.kernel.org] On Behalf Of Sebastian Andrzej > Siewior > Sent: Thursday, July 9, 2020 3:00 AM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb..

RE: [PATCH v3] mm/hugetlb: avoid hardcoding while checking if cma is enable

2020-07-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Roman Gushchin [mailto:g...@fb.com] > Sent: Thursday, July 9, 2020 6:46 AM > To: Mike Kravetz > Cc: Andrew Morton ; Song Bao Hua (Barry Song) > ; linux...@kvack.org; > linux-kernel@vger.kernel.org; Linuxarm ; Jonathan > Cameron >

RE: [PATCH v4] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-07-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-crypto-ow...@vger.kernel.org > [mailto:linux-crypto-ow...@vger.kernel.org] On Behalf Of Sebastian Andrzej > Siewior > Sent: Thursday, July 9, 2020 3:00 AM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb..

RE: [PATCH net] xsk: remove cheap_dma optimization

2020-07-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: netdev-ow...@vger.kernel.org [mailto:netdev-ow...@vger.kernel.org] > On Behalf Of Christoph Hellwig > Sent: Wednesday, July 8, 2020 6:50 PM > To: Robin Murphy > Cc: Björn Töpel ; Christoph Hellwig ; > Daniel Borkmann ; maxi...@mellanox.com; >

RE: [PATCH] arm64: mm: free unused memmap for sparse memory model that define VMEMMAP

2020-07-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: liwei (CM) > Sent: Wednesday, July 8, 2020 1:56 PM > To: catalin.mari...@arm.com; w...@kernel.org > Cc: liwei (CM) ; fengbaopeng > ; nsaenzjulie...@suse.de; > steve.cap...@arm.com; r...@linux.ibm.com; Song Bao Hua (Barry So

RE: [PATCH] mm/hugetlb: split hugetlb_cma in nodes with memory

2020-07-07 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Anshuman Khandual [mailto:anshuman.khand...@arm.com] > Sent: Wednesday, July 8, 2020 4:18 PM > To: Song Bao Hua (Barry Song) ; > a...@linux-foundation.org > Cc: x...@kernel.org; linux...@kvack.org; linux-kernel@vger.kernel.org; > Lin

RE: [PATCH v2] mm/hugetlb: avoid hardcoding while checking if cma is enable

2020-07-07 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Mike Rapoport [mailto:r...@kernel.org] > Sent: Tuesday, July 7, 2020 7:38 PM > To: Roman Gushchin > Cc: Song Bao Hua (Barry Song) ; > a...@linux-foundation.org; linux...@kvack.org; > linux-kernel@vger.kernel.org; Linuxarm ; Mike > Kr

RE: [PATCH] mm/hugetlb: avoid hardcoding while checking if cma is reserved

2020-07-06 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Tuesday, July 7, 2020 10:12 AM > To: 'Roman Gushchin' > Cc: a...@linux-foundation.org; linux...@kvack.org; > linux-kernel@vger.kernel.org; Linuxarm ; Mike > Kravetz ; Jonathan Cameron > > Subj

RE: [PATCH] mm/hugetlb: avoid hardcoding while checking if cma is reserved

2020-07-06 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Roman Gushchin [mailto:g...@fb.com] > Sent: Tuesday, July 7, 2020 9:48 AM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; linux...@kvack.org; > linux-kernel@vger.kernel.org; Linuxarm ; Mike > Kravetz ; Jonathan Cam

RE: [PATCH v3] driver core: platform: expose numa_node to users in sysfs

2020-07-02 Thread Song Bao Hua (Barry Song)
> > However, it is still much more clear and credible to users by exposing the > data > directly from ACPI table. > Except ARM64 iort, numa_node is actually also applicable to x86 and other architectures through general acpi_create_platform_device() API: drivers/acpi/scan.c: static void

RE: [PATCH v2 1/3] crypto: permit users to specify numa node of acomp hardware

2020-07-02 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Herbert Xu [mailto:herb...@gondor.apana.org.au] > Sent: Friday, July 3, 2020 4:11 PM > To: Song Bao Hua (Barry Song) > Cc: da...@davemloft.net; Wangzhou (B) ; > Jonathan Cameron ; > a...@linux-foundation.org; linux-cry...@vge

RE: [PATCH v2 1/2] dma-direct: provide the ability to reserve per-numa CMA

2020-06-26 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-kernel-ow...@vger.kernel.org > [mailto:linux-kernel-ow...@vger.kernel.org] On Behalf Of Robin Murphy > Sent: Thursday, June 25, 2020 11:11 PM > To: Song Bao Hua (Barry Song) ; h...@lst.de; > m.szyprow...@samsung.com; w...@kernel.org;

RE: [PATCH v3] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-06-26 Thread Song Bao Hua (Barry Song)
> > -Original Message- > > From: linux-kernel-ow...@vger.kernel.org > > [mailto:linux-kernel-ow...@vger.kernel.org] On Behalf Of Herbert Xu > > Sent: Friday, June 26, 2020 7:20 PM > > To: Song Bao Hua (Barry Song) > > Cc: a...@linux-foundation.org;

RE: [PATCH v3] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-06-26 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-kernel-ow...@vger.kernel.org > [mailto:linux-kernel-ow...@vger.kernel.org] On Behalf Of Herbert Xu > Sent: Friday, June 26, 2020 7:20 PM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; linux...@kvack.o

RE: [PATCH v2 2/2] arm64: mm: reserve per-numa CMA after numa_init

2020-06-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Robin Murphy [mailto:robin.mur...@arm.com] > Sent: Thursday, June 25, 2020 11:16 PM > To: Song Bao Hua (Barry Song) ; h...@lst.de; > m.szyprow...@samsung.com; w...@kernel.org; > ganapatrao.kulka...@cavium.com; catalin.mari...@arm.com >

RE: [PATCH] mm: cma: Return cma->name directly in cma_get_name

2020-06-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Nathan Chancellor [mailto:natechancel...@gmail.com] > Sent: Tuesday, June 23, 2020 1:59 PM > To: Andrew Morton > Cc: linux...@kvack.org; linux-kernel@vger.kernel.org; > clang-built-li...@googlegroups.com; Song Bao Hua (Barry Song) >

RE: [PATCH][next] mm/zswap: fix a couple of memory leaks and rework kzalloc failure check

2020-06-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dan Carpenter [mailto:dan.carpen...@oracle.com] > Sent: Tuesday, June 23, 2020 6:28 AM > To: Colin King > Cc: Seth Jennings ; Dan Streetman > ; Vitaly Wool ; Andrew > Morton ; Song Bao Hua (Barry Song) > ; Stephen Rothwell ; >

RE: [PATCH v3] driver core: platform: expose numa_node to users in sysfs

2020-06-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: John Garry > Sent: Monday, June 22, 2020 10:49 PM > To: Song Bao Hua (Barry Song) ; > gre...@linuxfoundation.org; raf...@kernel.org > Cc: Robin Murphy ; linux-kernel@vger.kernel.org; > Zengtao (B) ; Linuxarm > Subject: Re: [PATCH v

RE: [PATCH 1/3] crypto: permit users to specify numa node of acomp hardware

2020-06-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Jonathan Cameron > Sent: Monday, June 22, 2020 9:59 PM > To: Song Bao Hua (Barry Song) > Cc: herb...@gondor.apana.org.au; da...@davemloft.net; Seth Jennings > ; Linuxarm ; > linux-kernel@vger.kernel.org; linux...@kvack.org; > linu

RE: [PATCH v2] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-06-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vitaly Wool [mailto:vitaly.w...@konsulko.com] > Sent: Sunday, June 21, 2020 11:16 PM > To: Song Bao Hua (Barry Song) > Cc: Andrew Morton ; > herb...@gondor.apana.org.au; da...@davemloft.net; > linux-cry...@vger.kernel.org; Linux-MM ; LKM

RE: [PATCH v2] arm64: mm: reserve hugetlb CMA after numa_init

2020-06-18 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Will Deacon [mailto:w...@kernel.org] > Sent: Thursday, June 18, 2020 7:20 PM > To: Song Bao Hua (Barry Song) > Cc: Roman Gushchin ; catalin.mari...@arm.com; > nsaenzjulie...@suse.de; steve.cap...@arm.com; r...@linux.ibm.com; > a...

RE: [PATCH v2] arm64: mm: reserve hugetlb CMA after numa_init

2020-06-17 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Roman Gushchin [mailto:g...@fb.com] > Sent: Thursday, June 18, 2020 6:20 AM > To: Song Bao Hua (Barry Song) > Cc: Will Deacon ; catalin.mari...@arm.com; > nsaenzjulie...@suse.de; steve.cap...@arm.com; r...@linux.ibm.com; > a...@linux-

RE: [PATCH v2] arm64: mm: reserve hugetlb CMA after numa_init

2020-06-17 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Will Deacon [mailto:w...@kernel.org] > Sent: Wednesday, June 17, 2020 10:18 PM > To: Song Bao Hua (Barry Song) > Cc: catalin.mari...@arm.com; nsaenzjulie...@suse.de; > steve.cap...@arm.com; r...@linux.ibm.com; a...@linux-foundation.or

RE: [PATCH 2/3] arm64: mm: reserve hugetlb CMA after numa_init

2020-06-07 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Matthias Brugger [mailto:matthias@gmail.com] > Sent: Monday, June 8, 2020 8:15 AM > To: Roman Gushchin ; Song Bao Hua (Barry Song) > > Cc: catalin.mari...@arm.com; John Garry ; > linux-kernel@vger.kernel.org; Linuxarm ; > io...@li

RE: [kbuild-all] Re: [PATCH 1/3] dma-direct: provide the ability to reserve per-numa CMA

2020-06-06 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Philip Li [mailto:philip...@intel.com] > Sent: Saturday, June 6, 2020 3:47 PM > To: Dan Carpenter > Cc: Song Bao Hua (Barry Song) ; > kbu...@lists.01.org; h...@lst.de; m.szyprow...@samsung.com; > robin.mur...@arm.com; catalin.mari...@ar

RE: [PATCH 1/3] dma-direct: provide the ability to reserve per-numa CMA

2020-06-05 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dan Carpenter [mailto:dan.carpen...@oracle.com] > Sent: Thursday, June 4, 2020 11:37 PM > To: kbu...@lists.01.org; Song Bao Hua (Barry Song) > ; h...@lst.de; m.szyprow...@samsung.com; > robin.mur...@arm.com; catalin.mari...@arm.com > Cc

RE: [PATCH] driver core: platform: expose numa_node to users in sysfs

2020-06-02 Thread Song Bao Hua (Barry Song)
> > > > On Tue, Jun 02, 2020 at 05:09:57AM +0000, Song Bao Hua (Barry Song) > wrote: > > > > > > > > > > Platform devices are NUMA? That's crazy, and feels like a total > > > > > abuse of platform devices and drivers that

RE: [PATCH] driver core: platform: expose numa_node to users in sysfs

2020-06-02 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Greg KH [mailto:gre...@linuxfoundation.org] > Sent: Tuesday, June 2, 2020 6:11 PM > To: Song Bao Hua (Barry Song) > Cc: raf...@kernel.org; io...@lists.linux-foundation.org; > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.ke

RE: [PATCH] driver core: platform: expose numa_node to users in sysfs

2020-06-01 Thread Song Bao Hua (Barry Song)
> > > > Platform devices are NUMA? That's crazy, and feels like a total abuse > > of platform devices and drivers that really should belong on a "real" > > bus. > > I am not sure if it is an abuse of platform device. But smmu is a platform > device, > drivers/iommu/arm-smmu-v3.c is a platform

RE: [PATCH] driver core: platform: expose numa_node to users in sysfs

2020-06-01 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Greg KH [mailto:gre...@linuxfoundation.org] > Sent: Tuesday, June 2, 2020 4:24 PM > To: Song Bao Hua (Barry Song) > Cc: raf...@kernel.org; io...@lists.linux-foundation.org; > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.ke

RE: [PATCH 0/3] arm64: perf: Add support for Perf NMI interrupts

2020-05-20 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: linux-arm-kernel [mailto:linux-arm-kernel-boun...@lists.infradead.org] > On Behalf Of Alexandru Elisei > Sent: Wednesday, May 20, 2020 10:31 PM> > Hi, > > On 5/18/20 12:17 PM, Alexandru Elisei wrote: > > Hi, > > > > On 5/18/20 11:45 AM, Mark Rutland wrote:

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