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...he fast accessor path. Fixing by reset the count to > > > zero. > > > > > > Reported-by: Michael S. Tsirkin <mst at redhat.com> > > Did Michael report this as well? > > > Correct me if I was wrong. I think it's point 4 described in > https://lkml.org/lkml/2019/7/21/25. I'm not sure what that is talking about But this fixes what I described: https://lkml.org/lkml/2019/7/22/554 Jason

...s cap_sys_rawio+ep to all the kvm processes executed from this binary. I believe following patches, which are not merged yet, are trying to solve this problem in a different approach. - [PATCH v3 part2] Add per-device sysfs knob to enable unrestricted, unprivileged SG_IO https://lkml.org/lkml/2013/5/23/294 - [RFC PATCH 0/4] SG_IO filtering via sysfs and minimal whitelist https://lkml.org/lkml/2013/5/27/230 Any comments on this? Masaki

...KASAN: use-after-free Write in tlb_finish_mmu > Last occurred: 5 days ago > Reported: 4 days ago > Branches: Mainline > Dashboard link: https://syzkaller.appspot.com/bug?id=d57b94f89e48c85ef7d95acc208209ea4bdc10de > Original thread: https://lkml.kernel.org/lkml/00000000000045e7a1058e02458a at google.com/T/#u > > This bug has a syzkaller reproducer only. > > This bug was bisected to: > > commit 7f466032dc9e5a61217f22ea34b2df932786bbfc > Author: Jason Wang <jasowang at redhat.com> > Date: Fri May 24 08:12:1...

...ra indirection hurts performance. > Instead, please change vhost_net_open and scsi to allocate the whole > structure with vmalloc if kmalloc fails, along the lines of > 74d332c13b2148ae934ea94dac1745ae92efe8e5 Back in January 2013, you didn't seem to think it was a good idea: https://lkml.org/lkml/2013/1/23/492

...ra indirection hurts performance. > Instead, please change vhost_net_open and scsi to allocate the whole > structure with vmalloc if kmalloc fails, along the lines of > 74d332c13b2148ae934ea94dac1745ae92efe8e5 Back in January 2013, you didn't seem to think it was a good idea: https://lkml.org/lkml/2013/1/23/492

On Tue, Feb 4, 2020 at 12:29 AM David Hildenbrand <david at redhat.com> wrote: > On 03.02.20 21:32, Tyler Sanderson wrote: > > There were apparently good reasons for moving away from OOM notifier > > callback: > > https://lkml.org/lkml/2018/7/12/314 > > https://lkml.org/lkml/2018/8/2/322 > > > > In particular the OOM notifier is worse than the shrinker because: > > The issue is that DEFLATE_ON_OOM is under-specified. > > > > > 1. It is last-resort, which means the system has alread...

On Tue, Feb 4, 2020 at 12:29 AM David Hildenbrand <david at redhat.com> wrote: > On 03.02.20 21:32, Tyler Sanderson wrote: > > There were apparently good reasons for moving away from OOM notifier > > callback: > > https://lkml.org/lkml/2018/7/12/314 > > https://lkml.org/lkml/2018/8/2/322 > > > > In particular the OOM notifier is worse than the shrinker because: > > The issue is that DEFLATE_ON_OOM is under-specified. > > > > > 1. It is last-resort, which means the system has alread...

Signed-off-by: Allen Pais <allen.lkml at gmail.com> --- arch/powerpc/platforms/cell/spider-pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/cell/spider-pci.c b/arch/powerpc/platforms/cell/spider-pci.c index d1e61e2..82aa3f7 100644 --- a/arch/powerpc/platforms/cell/spider-pci.c +++...

I searched the website and the mailing list and had difficulty finding an answer. I have my email users who are using dovecot-1.0.beta2. I also have setup a dummy account to get the Linux Kernel Mailing List (LKML) traffic. I would like to have it so that my IMAP users (maybe POP3 but don't need that) be able to read the LKML mailing list from that email account. I can put the email into an mbox or a maildir for the LKML mail. I have played around with the namespace and public option and I can't g...

On Wed 01-08-18 19:12:25, Wei Wang wrote: > On 07/30/2018 05:00 PM, Michal Hocko wrote: > > On Fri 27-07-18 17:24:55, Wei Wang wrote: > > > The OOM notifier is getting deprecated to use for the reasons mentioned > > > here by Michal Hocko: https://lkml.org/lkml/2018/7/12/314 > > > > > > This patch replaces the virtio-balloon oom notifier with a shrinker > > > to release balloon pages on memory pressure. > > It would be great to document the replacement. This is not a small > > change... > > OK. I pla...

On Wed 01-08-18 19:12:25, Wei Wang wrote: > On 07/30/2018 05:00 PM, Michal Hocko wrote: > > On Fri 27-07-18 17:24:55, Wei Wang wrote: > > > The OOM notifier is getting deprecated to use for the reasons mentioned > > > here by Michal Hocko: https://lkml.org/lkml/2018/7/12/314 > > > > > > This patch replaces the virtio-balloon oom notifier with a shrinker > > > to release balloon pages on memory pressure. > > It would be great to document the replacement. This is not a small > > change... > > OK. I pla...

...and pairing it with >> id_talbe claimed by the driver. On top, this seris also decouple >> device specific parents ops out of the common ones. >> >> Pktgen test was done with virito-net + mvnet loop back device. >> >> Please review. >> >> [1] https://lkml.org/lkml/2019/10/31/440 >> [2] https://lkml.org/lkml/2019/10/15/1226 >> >> Changes from V7: >> - drop {set|get}_mdev_features for virtio >> - typo and comment style fixes > > Seems we're nearly there, all the remaining comments are relatively > superficial...

...and pairing it with >> id_talbe claimed by the driver. On top, this seris also decouple >> device specific parents ops out of the common ones. >> >> Pktgen test was done with virito-net + mvnet loop back device. >> >> Please review. >> >> [1] https://lkml.org/lkml/2019/10/31/440 >> [2] https://lkml.org/lkml/2019/10/15/1226 >> >> Changes from V7: >> - drop {set|get}_mdev_features for virtio >> - typo and comment style fixes > > Seems we're nearly there, all the remaining comments are relatively > superficial...

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=478 ------- Additional Comments From kaber@trash.net 2006-05-22 09:32 MET ------- The exact same problem was reported on LKML, also with 2.6.16.13 and Xen. Since we've had no reports of similar problems without Xen, I doubt that the problem really is within the netfilter code, especially since we haven't had any problems in that area for ages. Please talk to the Xen people again. -- Configure bugmail: https://bu...

...> - cname[i] = tolower(cname[i]); >> - } >> + strtolower(cname); > > This function doesn't seem to exist as of next-20160701, where have > you found it? I didn't find it. I wrote it, because it didn't exist and I needed it. See: https://lkml.org/lkml/2016/6/30/727 and https://lkml.org/lkml/2016/6/30/733 (cover letter and first patch in series).

There were apparently good reasons for moving away from OOM notifier callback: https://lkml.org/lkml/2018/7/12/314 https://lkml.org/lkml/2018/8/2/322 In particular the OOM notifier is worse than the shrinker because: 1. It is last-resort, which means the system has already gone through heroics to prevent OOM. Those heroic reclaim efforts are expensive and impact application per...

There were apparently good reasons for moving away from OOM notifier callback: https://lkml.org/lkml/2018/7/12/314 https://lkml.org/lkml/2018/8/2/322 In particular the OOM notifier is worse than the shrinker because: 1. It is last-resort, which means the system has already gone through heroics to prevent OOM. Those heroic reclaim efforts are expensive and impact application per...

In recent days, dovecot's "imap" processes keep getting stuck. Each time I check my server (running dovecot 1.1.7) there's a bunch of "imap" processes (sometimes 2 of them, sometimes 4, sometimes 6) that are using all of the box's CPU. And worse, there's no way to kill the processes either (neither kill -15 or kill -9 works), which means that I wind up

...this seris also decouple > > >> device specific parents ops out of the common ones. > > >> > > >> Pktgen test was done with virito-net + mvnet loop back device. > > >> > > >> Please review. > > >> > > >> [1] https://lkml.org/lkml/2019/10/31/440 > > >> [2] https://lkml.org/lkml/2019/10/15/1226 > > >> > > >> Changes from V7: > > >> - drop {set|get}_mdev_features for virtio > > >> - typo and comment style fixes > > > > > > Seems we're...

...this seris also decouple > > >> device specific parents ops out of the common ones. > > >> > > >> Pktgen test was done with virito-net + mvnet loop back device. > > >> > > >> Please review. > > >> > > >> [1] https://lkml.org/lkml/2019/10/31/440 > > >> [2] https://lkml.org/lkml/2019/10/15/1226 > > >> > > >> Changes from V7: > > >> - drop {set|get}_mdev_features for virtio > > >> - typo and comment style fixes > > > > > > Seems we're...