RE: [PATCH 5/5] i2c: designware: Switch over to i2c_freq_mode_string()

2021-03-30 Thread Song Bao Hua (Barry Song)
From: Andy Shevchenko [mailto:andy.shevche...@gmail.com] Sent: Wednesday, March 31, 2021 10:57 AM To: Song Bao Hua (Barry Song) Cc: yangyicong ; w...@kernel.org; andriy.shevche...@linux.intel.com; linux-...@vger.kernel.org; sergey.se...@baikalelectronics.ru; linux-kernel@vger.kernel.org

RE: [PATCH 5/5] i2c: designware: Switch over to i2c_freq_mode_string()

2021-03-30 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Wednesday, March 31, 2021 10:54 AM > To: 'Andy Shevchenko' > Cc: yangyicong ; w...@kernel.org; > andriy.shevche...@linux.intel.com; linux-...@vger.kernel.org; > sergey.se...@baikalelectronics.r

RE: [PATCH 5/5] i2c: designware: Switch over to i2c_freq_mode_string()

2021-03-31 Thread Song Bao Hua (Barry Song)
> No, please read the code carefully. > We can duplicate conditional, but it brings a bit of inconsistency to how the > counters are printed. Thanks for clarification, I am still confused as the original code print the real mode based on dev->master_cfg, the new code is printing mode based on fr

RE: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86

2021-03-31 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Wednesday, March 24, 2021 12:15 PM > To: 'Tim Chen' ; catalin.mari...@arm.com; > w...@kernel.org; r...@rjwysocki.net; vincent.guit...@linaro.org; > b...@alien8.de; > t...@linutronix.de; mi...@r

[tip: sched/core] sched/topology: fix the issue groups don't span domain->span for NUMA diameter > 2

2021-03-04 Thread tip-bot2 for Barry Song
The following commit has been merged into the sched/core branch of tip: Commit-ID: 9f4af5753b691b9df558ddcfea13e9f3036e45ca Gitweb: https://git.kernel.org/tip/9f4af5753b691b9df558ddcfea13e9f3036e45ca Author:Barry Song AuthorDate:Wed, 24 Feb 2021 16:09:44 +13:00 Committer

RE: [Linuxarm] Re: [PATCH] sched/fair: remove redundant test_idle_cores for non-smt

2021-03-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Li, Aubrey [mailto:aubrey...@linux.intel.com] > Sent: Monday, March 22, 2021 5:37 PM > To: Song Bao Hua (Barry Song) ; > vincent.guit...@linaro.org; mi...@redhat.com; pet...@infradead.org; > juri.le...@redhat.com; dietmar.eggem...@arm.com; r

RE: [RFC PATCH v4 2/3] scheduler: add scheduler level for clusters

2021-03-16 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Peter Zijlstra [mailto:pet...@infradead.org] > Sent: Tuesday, March 2, 2021 11:43 PM > To: Song Bao Hua (Barry Song) > Cc: tim.c.c...@linux.intel.com; catalin.mari...@arm.com; w...@kernel.org; > r...@rjwysocki.net; vincent.guit...@linaro.o

RE: [PATCH v2 1/8] mm/cma: change cma mutex to irq safe spinlock

2021-03-29 Thread Song Bao Hua (Barry Song)
; Muchun Song ; David Rientjes > ; linmiaohe ; Peter Zijlstra > ; Matthew Wilcox ; HORIGUCHI NAOYA > ; Aneesh Kumar K . V ; > Waiman Long ; Peter Xu ; Mina Almasry > ; Hillf Danton ; Joonsoo Kim > ; Song Bao Hua (Barry Song) > ; Will Deacon ; Andrew Morton > ; Mike Kravetz

RE: [External] Re: [PATCH v2 1/8] mm/cma: change cma mutex to irq safe spinlock

2021-03-30 Thread Song Bao Hua (Barry Song)
enbrand ; David Rientjes > ; linmiaohe ; Peter Zijlstra > ; Matthew Wilcox ; HORIGUCHI NAOYA > ; Aneesh Kumar K . V ; > Waiman Long ; Peter Xu ; Mina Almasry > ; Hillf Danton ; Joonsoo Kim > ; Song Bao Hua (Barry Song) > ; Will Deacon ; Andrew Morton > > Subject: Re: [Exter

RE: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and add cluster scheduler

2021-04-13 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dietmar Eggemann [mailto:dietmar.eggem...@arm.com] > Sent: Wednesday, January 13, 2021 12:00 AM > To: Morten Rasmussen ; Tim Chen > > Cc: Song Bao Hua (Barry Song) ; > valentin.schnei...@arm.com; catalin.mari...@arm.com; w...@kernel.org;

RE: [PATCH v1 1/1] i2c: designware: Adjust bus_freq_hz when refuse high speed mode set

2021-03-31 Thread Song Bao Hua (Barry Song)
g > ; w...@kernel.org; yangyicong > ; Song Bao Hua (Barry Song) > > Subject: [PATCH v1 1/1] i2c: designware: Adjust bus_freq_hz when refuse high > speed mode set > > When hardware doesn't support High Speed Mode, we forget bus_freq_hz > timing adjustment. This makes the

RE: [RFC PATCH v5 1/4] topology: Represent clusters of CPUs within a die

2021-04-19 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Greg KH [mailto:gre...@linuxfoundation.org] > Sent: Friday, March 19, 2021 11:02 PM > To: Jonathan Cameron > Cc: Song Bao Hua (Barry Song) ; > tim.c.c...@linux.intel.com; catalin.mari...@arm.com; w...@kernel.org; > r...@rjwyso

RE: [Linuxarm] Re: [PATCH for-next 00/32] spin lock usage optimization for SCSI drivers

2021-02-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Finn Thain [mailto:fth...@telegraphics.com.au] > Sent: Saturday, February 20, 2021 6:18 PM > To: tanxiaofei > Cc: Song Bao Hua (Barry Song) ; > j...@linux.ibm.com; > martin.peter...@oracle.com; linux-s...@vger.kernel.org; > linu

RE: [External] RE: [PATCH v4 09/21] mm/hugetlb: Free the vmemmap pages associated with each hugetlb page

2020-11-17 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Muchun Song [mailto:songmuc...@bytedance.com] > Sent: Tuesday, November 17, 2020 11:27 PM > To: Song Bao Hua (Barry Song) > Cc: cor...@lwn.net; mike.krav...@oracle.com; t...@linutronix.de; > mi...@redhat.com; b...@alien8.de; x...@kernel.o

RE: [External] RE: [PATCH v4 00/21] Free some vmemmap pages of hugetlb page

2020-11-17 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Oscar Salvador [mailto:osalva...@suse.de] > Sent: Wednesday, November 18, 2020 8:45 AM > To: Muchun Song > Cc: Song Bao Hua (Barry Song) ; > cor...@lwn.net; mike.krav...@oracle.com; t...@linutronix.de; > mi...@redhat.com; b...@alien8.d

RE: [PATCH] arm64: mm: add support for memmap kernel parameters

2020-11-18 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Will Deacon [mailto:w...@kernel.org] > Sent: Thursday, November 19, 2020 8:15 AM > To: Mike Rapoport > Cc: Song Bao Hua (Barry Song) ; > catalin.mari...@arm.com; linux-arm-ker...@lists.infradead.org; > linux-kernel@vger.kernel.org; a...

RE: [PATCH] arm64: mm: add support for memmap kernel parameters

2020-11-18 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Ard Biesheuvel [mailto:a...@kernel.org] > Sent: Thursday, November 19, 2020 11:38 AM > To: Song Bao Hua (Barry Song) > Cc: Will Deacon ; Mike Rapoport ; > anshuman.khand...@arm.com; catalin.mari...@arm.com; Linuxarm > ; linux-kernel

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-09 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Tuesday, December 8, 2020 4:29 AM > To: Song Bao Hua (Barry Song) > Cc: Valentin Schneider ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Cc: Len Brown ; > gr

RE: [PATCH] arm64: mm: add support for memmap kernel parameters

2020-11-19 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Mike Rapoport [mailto:r...@kernel.org] > Sent: Thursday, November 19, 2020 8:57 PM > To: Song Bao Hua (Barry Song) > Cc: Ard Biesheuvel ; Will Deacon ; > anshuman.khand...@arm.com; catalin.mari...@arm.com; Linuxarm > ; linux-kernel

[tip: sched/core] Documentation: scheduler: fix information on arch SD flags, sched_domain and sched_debug

2020-11-20 Thread tip-bot2 for Barry Song
The following commit has been merged into the sched/core branch of tip: Commit-ID: 9032dc211523f7cd5395302a0658c306249553f4 Gitweb: https://git.kernel.org/tip/9032dc211523f7cd5395302a0658c306249553f4 Author:Barry Song AuthorDate:Sat, 14 Nov 2020 00:50:18 +13:00 Committer

RE: [PATCH v6 07/16] x86/mm/64: Disable PMD page mapping of vmemmap

2020-11-24 Thread Song Bao Hua (Barry Song)
oneu...@suse.com; anshuman.khand...@arm.com; > jroe...@suse.de; almasrym...@google.com; rient...@google.com; > wi...@infradead.org; mho...@suse.com; Song Bao Hua (Barry Song) > ; duanxiongc...@bytedance.com; > linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; linux...@kvack.org;

RE: [PATCH v6 14/16] mm/hugetlb: Add a kernel parameter hugetlb_free_vmemmap

2020-11-24 Thread Song Bao Hua (Barry Song)
almasrym...@google.com; rient...@google.com; > wi...@infradead.org; osalva...@suse.de; mho...@suse.com; Song Bao Hua > (Barry Song) > Cc: duanxiongc...@bytedance.com; linux-...@vger.kernel.org; > linux-kernel@vger.kernel.org; linux...@kvack.org; > linux-fsde...@vger.kernel.org; Muchun

RE: [PATCH] arm64: mm: decrease the section size to reduce the memory reserved for the page map

2020-12-03 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: liwei (CM) > Sent: Friday, December 4, 2020 2:45 PM > To: catalin.mari...@arm.com; r...@linux.ibm.com; w...@kernel.org; liwei (CM) > > Cc: fengbaopeng ; nsaenzjulie...@suse.de; > steve.cap...@arm.com; Song Bao Hua (Barry So

RE: [PATCH] arm64: mm: decrease the section size to reduce the memory reserved for the page map

2020-12-06 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Mike Rapoport [mailto:r...@linux.ibm.com] > Sent: Saturday, December 5, 2020 12:44 AM > To: Will Deacon > Cc: liwei (CM) ; catalin.mari...@arm.com; fengbaopeng > ; nsaenzjulie...@suse.de; steve.cap...@arm.com; > Song Bao Hua (Barry So

RE: [PATCH] arm64: mm: decrease the section size to reduce the memory reserved for the page map

2020-12-06 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Anshuman Khandual [mailto:anshuman.khand...@arm.com] > Sent: Monday, December 7, 2020 8:31 PM > To: Song Bao Hua (Barry Song) ; Mike Rapoport > ; Will Deacon > Cc: steve.cap...@arm.com; catalin.mari...@arm.com; > linux-kernel@vger.ke

RE: [PATCH] dma-mapping: fix an uninitialized pointer read due to typo in argp assignment

2020-11-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Colin King [mailto:colin.k...@canonical.com] > Sent: Thursday, November 26, 2020 2:56 AM > To: Song Bao Hua (Barry Song) ; Christoph > Hellwig ; Marek Szyprowski ; > Robin Murphy ; io...@lists.linux-foundation.org > Cc: kernel-janit...@v

RE: [PATCH] dma-mapping: Fix sizeof() mismatch on tsk allocation

2020-11-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Colin King [mailto:colin.k...@canonical.com] > Sent: Thursday, November 26, 2020 3:05 AM > To: Song Bao Hua (Barry Song) ; Christoph > Hellwig ; Marek Szyprowski ; > Robin Murphy ; io...@lists.linux-foundation.org > Cc: kernel-janit...@v

RE: [RESEND PATCH v1] proc: use untagged_addr() for pagemap_read addresses

2020-11-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Miles Chen [mailto:miles.c...@mediatek.com] > Sent: Monday, November 23, 2020 7:39 PM > To: Alexey Dobriyan ; Andrew Morton > > Cc: linux-kernel@vger.kernel.org; linux-fsde...@vger.kernel.org; > linux-media...@lists.infradead.org; wsd_upstr...@mediatek.com;

RE: [RESEND PATCH v1] proc: use untagged_addr() for pagemap_read addresses

2020-11-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Miles Chen [mailto:miles.c...@mediatek.com] > Sent: Thursday, November 26, 2020 8:49 PM > To: Song Bao Hua (Barry Song) > Cc: Alexey Dobriyan ; Andrew Morton > ; linux-kernel@vger.kernel.org; > linux-fsde...@vger.ke

RE: [RESEND PATCH v1] proc: use untagged_addr() for pagemap_read addresses

2020-11-26 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Thursday, November 26, 2020 8:53 PM > To: 'Miles Chen' > Cc: Alexey Dobriyan ; Andrew Morton > ; linux-kernel@vger.kernel.org; > linux-fsde...@vger.kernel.org; linux-media...@lists.infradead.o

RE: [PATCH] zsmalloc: do not use bit_spin_lock

2020-12-20 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Mike Galbraith [mailto:efa...@gmx.de] > Sent: Sunday, December 20, 2020 8:48 PM > To: Vitaly Wool ; LKML > ; linux-mm > Cc: Song Bao Hua (Barry Song) ; Sebastian Andrzej > Siewior ; Minchan Kim ; NitinGupta > > Subject: Re: [

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-02 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Wednesday, December 2, 2020 9:27 PM > To: Song Bao Hua (Barry Song) > Cc: Valentin Schneider ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Cc: Len Brown ; > gr

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-02 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Wednesday, December 2, 2020 11:17 PM > To: Song Bao Hua (Barry Song) > Cc: Valentin Schneider ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Cc: Len Brown ; > gr

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-02 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Wednesday, December 2, 2020 11:41 PM > To: 'Vincent Guittot' > Cc: Valentin Schneider ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Cc: Len Brown ; > gre...@linuxfoundation.org

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-02 Thread Song Bao Hua (Barry Song)
> > Sorry. Please ignore this. I added some printk here while testing > one numa. Will update you the data in another email. Re-tested in one NUMA node(cpu0-cpu23): g=1 Running in threaded mode with 1 groups using 40 file descriptors Each sender will pass 10 messages of 100 bytes w/o: 7.689

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-03 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Thursday, December 3, 2020 10:04 PM > To: Song Bao Hua (Barry Song) > Cc: Valentin Schneider ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Cc: Len Brown ; > gr

[tip: sched/core] sched/fair: Trivial correction of the newidle_balance() comment

2020-12-03 Thread tip-bot2 for Barry Song
The following commit has been merged into the sched/core branch of tip: Commit-ID: 21bf7cbd1b100758cc82f5340576028d3d83119b Gitweb: https://git.kernel.org/tip/21bf7cbd1b100758cc82f5340576028d3d83119b Author:Barry Song AuthorDate:Thu, 03 Dec 2020 11:06:41 +13:00 Committer

RE: [RFC PATCH v2 2/2] scheduler: add scheduler level for clusters

2020-12-03 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Peter Zijlstra [mailto:pet...@infradead.org] > Sent: Thursday, December 3, 2020 10:29 PM > To: Valentin Schneider > Cc: Song Bao Hua (Barry Song) ; > catalin.mari...@arm.com; w...@kernel.org; r...@rjwysocki.net; l...@kernel.org; > gre..

RE: [PATCH v7 13/15] mm/hugetlb: Add a kernel parameter hugetlb_free_vmemmap

2020-12-03 Thread Song Bao Hua (Barry Song)
almasrym...@google.com; rient...@google.com; > wi...@infradead.org; osalva...@suse.de; mho...@suse.com; Song Bao Hua (Barry > Song) > Cc: duanxiongc...@bytedance.com; linux-...@vger.kernel.org; > linux-kernel@vger.kernel.org; linux...@kvack.org; > linux-fsde...@vger.kernel.org; Muchun Song

RE: [RFC PATCH v4 1/3] topology: Represent clusters of CPUs within a die.

2021-03-14 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Tuesday, March 2, 2021 12:00 PM > To: tim.c.c...@linux.intel.com; catalin.mari...@arm.com; w...@kernel.org; > r...@rjwysocki.net; vincent.guit...@linaro.org; b...@alien8.de; > t...@linutronix.de; m

RE: [PATCH] uacce: Add uacce_ctrl misc device

2021-01-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Greg Kroah-Hartman [mailto:gre...@linuxfoundation.org] > Sent: Thursday, January 21, 2021 10:46 PM > To: Wangzhou (B) > Cc: Zhangfei Gao ; Arnd Bergmann ; > linux-accelerat...@lists.ozlabs.org; linux-kernel@vger.kernel.org; > chensihang (A) > Subject: Re: [

RE: [PATCH] uacce: Add uacce_ctrl misc device

2021-01-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Greg Kroah-Hartman [mailto:gre...@linuxfoundation.org] > Sent: Friday, January 22, 2021 12:19 AM > To: Song Bao Hua (Barry Song) > Cc: Wangzhou (B) ; Zhangfei Gao > ; Arnd Bergmann ; > linux-accelerat...@lists.ozlabs.org; linux-k

[tip: sched/core] sched/topology: fix the issue groups don't span domain->span for NUMA diameter > 2

2021-03-06 Thread tip-bot2 for Barry Song
The following commit has been merged into the sched/core branch of tip: Commit-ID: 585b6d2723dc927ebc4ad884c4e879e4da8bc21f Gitweb: https://git.kernel.org/tip/585b6d2723dc927ebc4ad884c4e879e4da8bc21f Author:Barry Song AuthorDate:Wed, 24 Feb 2021 16:09:44 +13:00 Committer

[tip: irq/core] genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()

2021-03-06 Thread tip-bot2 for Barry Song
The following commit has been merged into the irq/core branch of tip: Commit-ID: cbe16f35bee6880becca6f20d2ebf6b457148552 Gitweb: https://git.kernel.org/tip/cbe16f35bee6880becca6f20d2ebf6b457148552 Author:Barry Song AuthorDate:Wed, 03 Mar 2021 11:49:15 +13:00 Committer

RE: [RFC PATCH v4 2/3] scheduler: add scheduler level for clusters

2021-03-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Tuesday, March 9, 2021 12:26 AM > To: Song Bao Hua (Barry Song) > Cc: Tim Chen ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Borislav Petkov ; Thomas Gleixner >

RE: [Linuxarm] Re: [RFC PATCH v4 3/3] scheduler: Add cluster scheduler level for x86

2021-03-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Tim Chen [mailto:tim.c.c...@linux.intel.com] > Sent: Thursday, March 4, 2021 7:34 AM > To: Peter Zijlstra ; Song Bao Hua (Barry Song) > > Cc: catalin.mari...@arm.com; w...@kernel.org; r...@rjwysocki.net; > vincent.guit...@linaro.o

RE: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dietmar Eggemann [mailto:dietmar.eggem...@arm.com] > Sent: Friday, January 22, 2021 7:54 AM > To: Valentin Schneider ; Meelis Roos > ; LKML > Cc: Peter Zijlstra ; Vincent Guittot > ; Song Bao Hua (Barry Song) > ; Mel Gorman >

RE: [PATCH v3 00/12] add IRQF_NO_AUTOEN for request_irq

2021-01-21 Thread Song Bao Hua (Barry Song)
Hi Thomas, Greg, Dmitry, Marc, Any further comment on this new API? Thanks Barry > -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Friday, January 8, 2021 11:39 AM > To: dmitry.torok...@gmail.com; t...@linutronix.de; m...@kernel.org; > gre...@linuxfoundatio

RE: [RFC PATCH] sched/fair: first try to fix the scheduling impact of NUMA diameter > 2

2021-01-21 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Valentin Schneider [mailto:valentin.schnei...@arm.com] > Sent: Friday, January 22, 2021 7:15 AM > To: Song Bao Hua (Barry Song) ; Vincent Guittot > > Cc: Ingo Molnar ; Peter Zijlstra ; > Dietmar Eggemann ; Morten Rasmussen > ; lin

RE: 5.11-rc4+git: Shortest NUMA path spans too many nodes

2021-01-22 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dietmar Eggemann [mailto:dietmar.eggem...@arm.com] > Sent: Friday, January 22, 2021 11:05 PM > To: Song Bao Hua (Barry Song) ; Valentin Schneider > ; Meelis Roos ; LKML > > Cc: Peter Zijlstra ; Vincent Guittot > ; Mel Gorman >

RE: [RFC PATCH v3 1/2] mempinfd: Add new syscall to provide memory pin

2021-02-07 Thread Song Bao Hua (Barry Song)
adead.org; > linux-...@vger.kernel.org; Andrew Morton ; > Alexander Viro ; gre...@linuxfoundation.org; Song > Bao Hua (Barry Song) ; j...@ziepe.ca; > kevin.t...@intel.com; jean-phili...@linaro.org; eric.au...@redhat.com; > Liguozhu (Kenneth) ; zhangfei@linaro.org; > chensihang (A) > S

RE: [RFC PATCH v3 1/2] mempinfd: Add new syscall to provide memory pin

2021-02-07 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: owner-linux...@kvack.org [mailto:owner-linux...@kvack.org] On Behalf Of > Matthew Wilcox > Sent: Monday, February 8, 2021 2:31 PM > To: Song Bao Hua (Barry Song) > Cc: Wangzhou (B) ; linux-kernel@vger.kernel.org; > io...@lists.linux-

RE: [RFC PATCH v3 1/2] mempinfd: Add new syscall to provide memory pin

2021-02-07 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: David Rientjes [mailto:rient...@google.com] > Sent: Monday, February 8, 2021 3:18 PM > To: Song Bao Hua (Barry Song) > Cc: Matthew Wilcox ; Wangzhou (B) > ; linux-kernel@vger.kernel.org; > io...@lists.linux-foundation.org; linux...@k

RE: [RFC PATCH 1/2] sched/topology: Get rid of NUMA overlapping groups

2021-02-08 Thread Song Bao Hua (Barry Song)
r.eggem...@arm.com; morten.rasmus...@arm.com; > linux...@openeuler.org; xuwei (O) ; Liguozhu (Kenneth) > ; tiantao (H) ; wanghuiqiang > ; Zengtao (B) ; Jonathan > Cameron ; guodong...@linaro.org; Song Bao Hua > (Barry Song) ; Meelis Roos > Subject: [RFC PATCH 1/2] sched/topology: Get ri

RE: [RFC PATCH v3 1/2] mempinfd: Add new syscall to provide memory pin

2021-02-08 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: owner-linux...@kvack.org [mailto:owner-linux...@kvack.org] On Behalf Of > David Hildenbrand > Sent: Monday, February 8, 2021 9:22 PM > To: Song Bao Hua (Barry Song) ; Matthew Wilcox > > Cc: Wangzhou (B) ; linux-kernel@vger.kernel.org

RE: [RFC PATCH 2/2] Revert "sched/topology: Warn when NUMA diameter > 2"

2021-02-08 Thread Song Bao Hua (Barry Song)
r.eggem...@arm.com; morten.rasmus...@arm.com; > linux...@openeuler.org; xuwei (O) ; Liguozhu (Kenneth) > ; tiantao (H) ; wanghuiqiang > ; Zengtao (B) ; Jonathan > Cameron ; guodong...@linaro.org; Song Bao Hua > (Barry Song) ; Meelis Roos > Subject: [RFC PATCH 2/2] Revert "sc

RE: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and add cluster scheduler

2021-01-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dietmar Eggemann [mailto:dietmar.eggem...@arm.com] > Sent: Wednesday, January 13, 2021 1:53 AM > To: Song Bao Hua (Barry Song) ; Morten Rasmussen > ; Tim Chen > Cc: valentin.schnei...@arm.com; catalin.mari...@arm.com; w...@kernel.org; &g

RE: [PATCH] Input: ar1021 - use IRQ_NOAUTOEN flags to replace disable_irq

2021-01-02 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dmitry Torokhov [mailto:dmitry.torok...@gmail.com] > Sent: Saturday, January 2, 2021 6:55 PM > To: Song Bao Hua (Barry Song) > Cc: linux-in...@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH] Input: ar1021 - use IRQ

RE: [PATCH] genirq: add IRQF_NO_AUTOEN for request_irq

2021-01-04 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dmitry Torokhov [mailto:dmitry.torok...@gmail.com] > Sent: Tuesday, January 5, 2021 12:01 PM > To: Song Bao Hua (Barry Song) > Cc: t...@linutronix.de; m...@kernel.org; gre...@linuxfoundation.org; > linux-in...@vger.kernel.org; linux-kern

RE: [RFC PATCH] sched/fair: first try to fix the scheduling impact of NUMA diameter > 2

2021-01-18 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Tuesday, January 19, 2021 12:14 AM > To: Song Bao Hua (Barry Song) > Cc: Ingo Molnar ; Peter Zijlstra ; > Dietmar Eggemann ; Morten Rasmussen > ; Valentin Schneider ; > l

RE: [PATCH 1/1] sched/topology: Make sched_init_numa() use a set for the deduplicating sort

2021-01-24 Thread Song Bao Hua (Barry Song)
.rasmus...@arm.com; mgor...@suse.de; Song Bao > Hua (Barry Song) > Subject: [PATCH 1/1] sched/topology: Make sched_init_numa() use a set for the > deduplicating sort > > The deduplicating sort in sched_init_numa() assumes that the first line in > the distance table contains a

RE: [RFC PATCH] sched/fair: first try to fix the scheduling impact of NUMA diameter > 2

2021-01-24 Thread Song Bao Hua (Barry Song)
> > > > > > Hi, > > > > On 18/01/21 11:25, Song Bao Hua wrote: > > >> -Original Message- > > >> From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > > >> Sent: Tuesday, January 19, 2021 12:14 AM > > &

RE: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and add cluster scheduler

2021-01-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Dietmar Eggemann [mailto:dietmar.eggem...@arm.com] > Sent: Wednesday, January 13, 2021 12:00 AM > To: Morten Rasmussen ; Tim Chen > > Cc: Song Bao Hua (Barry Song) ; > valentin.schnei...@arm.com; catalin.mari...@arm.com; w...@kernel.org;

RE: [RFC PATCH] sched/fair: first try to fix the scheduling impact of NUMA diameter > 2

2021-01-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Valentin Schneider [mailto:valentin.schnei...@arm.com] > Sent: Tuesday, January 26, 2021 1:11 AM > To: Song Bao Hua (Barry Song) ; Vincent Guittot > ; Mel Gorman > Cc: Ingo Molnar ; Peter Zijlstra ; > Dietmar Eggemann ; Morten Rasmu

RE: [RFC PATCH v2] uacce: Add uacce_ctrl misc device

2021-01-25 Thread Song Bao Hua (Barry Song)
; > io...@lists.linux-foundation.org; linux...@kvack.org; Song Bao Hua (Barry > Song) > ; Liguozhu (Kenneth) ; > chensihang (A) > Subject: Re: [RFC PATCH v2] uacce: Add uacce_ctrl misc device > > On Mon, Jan 25, 2021 at 04:34:56PM +0800, Zhou Wang wrote: > > > +static

RE: [PATCH 1/1] sched/topology: Make sched_init_numa() use a set for the deduplicating sort

2021-01-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Valentin Schneider [mailto:valentin.schnei...@arm.com] > Sent: Tuesday, January 26, 2021 5:46 AM > To: Song Bao Hua (Barry Song) ; > linux-kernel@vger.kernel.org > Cc: mi...@kernel.org; pet...@infradead.org; vincent.guit...@linaro.or

RE: [RFC PATCH v2] uacce: Add uacce_ctrl misc device

2021-01-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: owner-linux...@kvack.org [mailto:owner-linux...@kvack.org] On Behalf Of > Jason Gunthorpe > Sent: Tuesday, January 26, 2021 12:16 PM > To: Song Bao Hua (Barry Song) > Cc: Wangzhou (B) ; Greg Kroah-Hartman > ; Arnd Bergmann ; Zhangfei Ga

RE: [RFC PATCH v2] uacce: Add uacce_ctrl misc device

2021-01-25 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Jason Gunthorpe [mailto:j...@ziepe.ca] > Sent: Tuesday, January 26, 2021 2:13 PM > To: Song Bao Hua (Barry Song) > Cc: Wangzhou (B) ; Greg Kroah-Hartman > ; Arnd Bergmann ; Zhangfei Gao > ; linux-accelerat...@lists.ozlabs.org; > linu

RE: [RFC PATCH v2] uacce: Add uacce_ctrl misc device

2021-01-27 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Jason Gunthorpe [mailto:j...@ziepe.ca] > Sent: Wednesday, January 27, 2021 7:20 AM > To: Song Bao Hua (Barry Song) > Cc: Wangzhou (B) ; Greg Kroah-Hartman > ; Arnd Bergmann ; Zhangfei Gao > ; linux-accelerat...@lists.ozlab

RE: [RFC PATCH v3 2/2] scheduler: add scheduler level for clusters

2021-01-06 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Thursday, January 7, 2021 5:29 AM > To: Song Bao Hua (Barry Song) > Cc: Valentin Schneider ; Catalin Marinas > ; Will Deacon ; Rafael J. Wysocki > ; Cc: Len Brown ; > gr

RE: [PATCH v2] dma-mapping: add unlikely hint for error path in dma_mapping_error

2020-12-13 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Heiner Kallweit [mailto:hkallwe...@gmail.com] > Sent: Monday, December 14, 2020 5:33 AM > To: Christoph Hellwig ; Marek Szyprowski > ; Robin Murphy ; Song Bao Hua > (Barry Song) > Cc: open list:AMD IOMMU (AMD-VI) ; Linux > Kernel

RE: [RFC PATCH v8] sched/fair: select idle cpu from idle cpumask for task wakeup

2020-12-13 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Li, Aubrey [mailto:aubrey...@linux.intel.com] > Sent: Saturday, December 12, 2020 4:25 AM > To: Vincent Guittot > Cc: Ingo Molnar ; Peter Zijlstra ; > Juri Lelli ; Mel Gorman ; > Valentin Schneider ; Qais Yousef > ; Dietmar Eggemann ; Steven > Rostedt ; Ben S

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 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 acpi

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 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 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 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] 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] 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 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; > konrad.w...@ora

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][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] 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] perf evlist: fix memory corruption for Kernel PMU event

2020-10-05 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Namhyung Kim [mailto:namhy...@kernel.org] > Sent: Tuesday, October 6, 2020 2:26 PM > To: Song Bao Hua (Barry Song) > Cc: Andi Kleen ; linux-kernel@vger.kernel.org; Linuxarm > ; Peter Zijlstra ; Ingo Molnar > ; Arnaldo Carvalho de

RE: [PATCH 1/2] perf stat: Fix segfault when counting armv8_pmu events

2020-10-05 Thread Song Bao Hua (Barry Song)
ty(evlist->cpus)) { > > + perf_cpu_map__put(evsel->cpus); > > + evsel->cpus = perf_cpu_map__get(evlist->cpus); > > } else if (evsel->cpus != evsel->own_cpus) { > > perf_cpu_map__put(evsel->cpus); > >

RE: [PATCH] perf evlist: fix memory corruption for Kernel PMU event

2020-10-01 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Andi Kleen [mailto:a...@linux.intel.com] > Sent: Friday, October 2, 2020 12:07 PM > To: Song Bao Hua (Barry Song) > Cc: linux-kernel@vger.kernel.org; Linuxarm ; Peter > Zijlstra ; Ingo Molnar ; Arnaldo > Carvalho de Melo ; Mark

RE: [PATCH v6] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-09-29 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Sebastian Andrzej Siewior [mailto:bige...@linutronix.de] > Sent: Tuesday, September 29, 2020 10:31 PM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb...@gondor.apana.org.au; > da...@davemloft.net; linux-cry...@vger

RE: [PATCH v6] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-09-29 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Sebastian Andrzej Siewior [mailto:bige...@linutronix.de] > Sent: Tuesday, September 29, 2020 11:29 PM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb...@gondor.apana.org.au; > da...@davemloft.net; linux-cry...@vger

RE: [RFC] sched/numa: don't move tasks to idle numa nodes while src node has very light load?

2020-10-10 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Mel Gorman [mailto:mgor...@techsingularity.net] > Sent: Tuesday, September 8, 2020 12:42 AM > To: Song Bao Hua (Barry Song) > Cc: Mel Gorman ; mi...@redhat.com; > pet...@infradead.org; juri.le...@redhat.com; vincent.guit...@linaro.or

RE: [RFC] sched/numa: don't move tasks to idle numa nodes while src node has very light load?

2020-10-10 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Vincent Guittot [mailto:vincent.guit...@linaro.org] > Sent: Tuesday, September 8, 2020 12:37 AM > To: Song Bao Hua (Barry Song) > Cc: Mel Gorman ; mi...@redhat.com; > pet...@infradead.org; juri.le...@redhat.com; dietmar.eggem...@arm.com; &g

RE: [PATCH v6] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-09-28 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Sebastian Andrzej Siewior [mailto:bige...@linutronix.de] > Sent: Tuesday, September 29, 2020 4:25 AM > To: Song Bao Hua (Barry Song) > Cc: a...@linux-foundation.org; herb...@gondor.apana.org.au; > da...@davemloft.net; linux-cry...@vger

RE: [PATCH v6] mm/zswap: move to use crypto_acomp API for hardware acceleration

2020-09-28 Thread Song Bao Hua (Barry Song)
> -Original Message- > From: Song Bao Hua (Barry Song) > Sent: Tuesday, September 29, 2020 10:02 AM > To: 'Sebastian Andrzej Siewior' > Cc: a...@linux-foundation.org; herb...@gondor.apana.org.au; > da...@davemloft.net; linux-cry...@vger.kernel.org; linux.

[tip: sched/core] sched/fair: Use dst group while checking imbalance for NUMA balancer

2020-09-29 Thread tip-bot2 for Barry Song
The following commit has been merged into the sched/core branch of tip: Commit-ID: 233e7aca4c8a2c764f556bba9644c36154017e7f Gitweb: https://git.kernel.org/tip/233e7aca4c8a2c764f556bba9644c36154017e7f Author:Barry Song AuthorDate:Mon, 21 Sep 2020 23:18:49 +01:00 Committer

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] 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 dri

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 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

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

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

2020-06-04 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: [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

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