Re: [PATCH] Doc: admin-guide: Add entry for kvm_cma_resv_ratio kernel param

2020-09-16 Thread Satheesh Rajendran
Hi Randy, Thanks for the comments, will send a V2 fixing them. On Tue, Sep 15, 2020 at 11:18:52PM -0700, Randy Dunlap wrote: > On 9/15/20 11:11 PM, sathn...@linux.vnet.ibm.com wrote: > > From: Satheesh Rajendran > > > > Add document entry for kvm_cma_resv_ratio kernel pa

Re: [PATCH v5 05/10] powerpc/smp: Dont assume l2-cache to be superset of sibling

2020-09-13 Thread Satheesh Rajendran
On Fri, Sep 11, 2020 at 09:55:23PM +1000, Michael Ellerman wrote: > Srikar Dronamraju writes: > > Current code assumes that cpumask of cpus sharing a l2-cache mask will > > always be a superset of cpu_sibling_mask. > > > > Lets stop that assumption. cpu_l2_cache_mask is a superset of > > cpu_sibli

Re: [PATCH 0/7] Optimization to improve cpu online/offline on Powerpc

2020-07-29 Thread Satheesh Rajendran
this series: # dmesg|grep smp [0.067744] smp: Bringing up secondary CPUs ... [5.416910] smp: Brought up 1 node, 2048 CPUs Tested-by: Satheesh Rajendran Regards, -Satheesh > > Architecture:ppc64le > Byte Order: Little Endian > CPU(s): 160 >

[PATCH V2] powerpc/pseries/svm: Remove unwanted check for shared_lppaca_size

2020-06-19 Thread Satheesh Rajendran
wed-by: Laurent Dufour Reviewed-by: Thiago Jung Bauermann Signed-off-by: Satheesh Rajendran --- V2: Added Reviewed by Thiago and Laurent. Added Fixes tag as per Thiago suggest. V1: https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20200609105731.14032-1-sathn...@linux.vnet.ibm.com/ --

[PATCH V2] powerpc/pseries/svm: Drop unused align argument in alloc_shared_lppaca() function

2020-06-12 Thread Satheesh Rajendran
by: Thiago Jung Bauermann Signed-off-by: Satheesh Rajendran --- V2: Added reviewed by Thiago. Dropped align argument as per Michael suggest. Modified commit msg. V1: http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20200609113909.17236-1-sathn...@linux.vnet.ibm.com/ --- arch/powerpc/ker

[PATCH] powerpc/pseries/svm: Fixup align argument in alloc_shared_lppaca() function

2020-06-09 Thread Satheesh Rajendran
Argument "align" in alloc_shared_lppaca() function was unused inside the function. Let's fix it and update code comment. Cc: linux-kernel@vger.kernel.org Cc: Thiago Jung Bauermann Cc: Ram Pai Cc: Sukadev Bhattiprolu Cc: Laurent Dufour Signed-off-by: Satheesh Rajendran --

[PATCH] powerpc/pseries/svm: Remove unwanted check for shared_lppaca_size

2020-06-09 Thread Satheesh Rajendran
pSeries which is not necessary, let's remove it. Cc: linux-kernel@vger.kernel.org Cc: Thiago Jung Bauermann Cc: Ram Pai Cc: Sukadev Bhattiprolu Cc: Laurent Dufour Signed-off-by: Satheesh Rajendran --- arch/powerpc/kernel/paca.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff

Re: [mainline][Oops][bisected 2ba3e6 ] 5.7.0 boot fails with kernel panic on powerpc

2020-06-03 Thread Satheesh Rajendran
ox(mentioned in Note) and your below patch helped solving that for my environment and am able to boot the system fine. ... Fedora 31 (Thirty One) Kernel 5.7.0-gd6f9469a0-dirty on an ppc64le (hvc0) login: Tested-by: Satheesh Rajendran Note: for the record, here is the boot failure call trace.

Re: [PATCH] recordmcount: Fix spurious mcount entries on powerpc

2019-06-27 Thread Satheesh Rajendran
ppc/merge branch latest commit 850f6274c5b5 was failing to boot IBM Power8 Box, and the failure got resolved with this patch. https://github.com/linuxppc/issues/issues/254 # git log -2 --oneline 0e0f55b31ea8 (HEAD -> issue_254) recordmcount: Fix spurious mcount entries on powerpc 850f6274c5b5 (origin/me

Re: [PATCH v5 0/5] powerpc: system call table generation support

2018-12-17 Thread Satheesh Rajendran
Hi Firoz, On Thu, Dec 13, 2018 at 02:32:45PM +0530, Firoz Khan wrote: > The purpose of this patch series is, we can easily > add/modify/delete system call table support by cha- > nging entry in syscall.tbl file instead of manually > changing many files. The other goal is to unify the > system cal

Re: [PATCH v4 0/5] powerpc: system call table generation support

2018-12-06 Thread Satheesh Rajendran
On Fri, Dec 07, 2018 at 11:41:35AM +0530, Firoz Khan wrote: > The purpose of this patch series is, we can easily > add/modify/delete system call table support by cha- > nging entry in syscall.tbl file instead of manually > changing many files. The other goal is to unify the > system call table gen

Re: System not booting since dm changes? (was Linux 4.20-rc1)

2018-11-05 Thread Satheesh Rajendran
On Mon, Nov 05, 2018 at 08:51:57AM -0500, Mike Snitzer wrote: > On Mon, Nov 05 2018 at 5:25am -0500, > Michael Ellerman wrote: > > > Linus Torvalds writes: > > ... > > > Mike Snitzer (1): > > > device mapper updates > > > > Hi Mike, > > > > Replying here because I can't find the device-ma

[tip:perf/core] perf bench numa: Fixup discontiguous/sparse numa nodes

2017-11-28 Thread tip-bot for Satheesh Rajendran
Commit-ID: 321a7c35c90cc834851ceda18a8ee18f1d032b92 Gitweb: https://git.kernel.org/tip/321a7c35c90cc834851ceda18a8ee18f1d032b92 Author: Satheesh Rajendran AuthorDate: Wed, 22 Nov 2017 22:13:53 +0530 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 28 Nov 2017 14:28:10 -0300 perf

Re: [PATCH v4 1/1] perf/bench/numa: Fixup discontiguous/sparse numa nodes

2017-11-22 Thread Satheesh Rajendran
On Wed, 2017-11-22 at 21:39 +0530, Naveen N. Rao wrote: > >   sum += nr; > >   } > >   BUG_ON(nr_min > nr_max); > > - > >   BUG_ON(sum > g->p.nr_tasks); > > Looks like that change to remove a blank line did slip in, but that's > a  > small nit. Apart from that, the patch lo

Re: [PATCH v3 2/2] perf/bench/numa: Handle discontiguous/sparse numa nodes

2017-11-15 Thread Satheesh Rajendran
Hi Arnaldo,Please find my reply inline. On Tue, 2017-10-31 at 12:26 -0300, Arnaldo Carvalho de Melo wrote: > Em Tue, Oct 31, 2017 at 08:46:58PM +0530, Naveen N. Rao escreveu: > > > > On 2017/08/21 10:17AM, sathn...@linux.vnet.ibm.com wrote: > > > > &

Re: [PATCH v3 1/2] perf/bench/numa: Add functions to detect sparse numa nodes

2017-11-14 Thread Satheesh Rajendran
Hi Naveen,Thanks for detailed review, my comments inline. On Tue, 2017-10-31 at 20:44 +0530, Naveen N. Rao wrote: > Hi Satheesh, > > On 2017/08/21 10:15AM, sathn...@linux.vnet.ibm.com wrote: > > > > From: Satheesh Rajendran > > > > Added functions 1) to

Re: [PATCH v3 2/2] perf/bench/numa: Handle discontiguous/sparse numa nodes

2017-11-14 Thread Satheesh Rajendran
Hi Naveen, On Tue, 2017-10-31 at 20:46 +0530, Naveen N. Rao wrote: >  > >   } > >   BUG_ON(nr_min > nr_max); > > - > Looks like an un-necessary change there. > > - Naveen > I had hit with this compilation error, so had to move the initialization above. Please advice. Thanks.   CC   ben

Re: [PATCH v3 0/2] Fixup for discontiguous/sparse numa nodes

2017-09-19 Thread Satheesh Rajendran
Hi Arnaldo, Please let me know if any further comments. Thanks in advance :-) Regards, -Satheesh.On Mon, 2017-08-21 at 15:45 +0530, sathn...@linux.vnet.ibm.com wrote: > From: Satheesh Rajendran > > Certain systems would have sparse/discontinguous > numa nodes. > perf bench n

Re: [PATCH 1/2] perf/bench/numa: Add functions to detect sparse numa nodes

2017-08-21 Thread Satheesh Rajendran
Thanks Arnaldo for the detailed review :-) Will address them and send across v2. On Thu, 2017-08-10 at 16:22 -0300, Arnaldo Carvalho de Melo wrote: > Em Thu, Aug 10, 2017 at 12:58:49PM +0530, sathn...@linux.vnet.ibm.com > escreveu: > > > > From: Satheesh Rajendran > >