From: Leon Romanovsky <leon@kernel.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>,
Laurent Dufour <ldufour@linux.ibm.com>,
Sachin Sant <sachinp@linux.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
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Subject: Re: [PATCH v4 00/33] Per-VMA locks
Date: Tue, 11 Jul 2023 20:14:07 +0300 [thread overview]
Message-ID: <20230711171407.GU41919@unreal> (raw)
In-Reply-To: <CAJuCfpG-dwzT++ZLY-sT2jn_9AHFVZsTfwJu17MwbB4oYJ4M+g@mail.gmail.com>
On Tue, Jul 11, 2023 at 09:35:13AM -0700, Suren Baghdasaryan wrote:
> On Tue, Jul 11, 2023 at 4:09 AM Leon Romanovsky <leon@kernel.org> wrote:
> >
> > On Tue, Jul 11, 2023 at 02:01:41PM +0300, Leon Romanovsky wrote:
> > > On Tue, Jul 11, 2023 at 12:39:34PM +0200, Vlastimil Babka wrote:
> > > > On 7/11/23 12:35, Leon Romanovsky wrote:
> > > > >
> > > > > On Mon, Feb 27, 2023 at 09:35:59AM -0800, Suren Baghdasaryan wrote:
> > > > >
> > > > > <...>
> > > > >
> > > > >> Laurent Dufour (1):
> > > > >> powerc/mm: try VMA lock-based page fault handling first
> > > > >
> > > > > Hi,
> > > > >
> > > > > This series and specifically the commit above broke docker over PPC.
> > > > > It causes to docker service stuck while trying to activate. Revert of
> > > > > this commit allows us to use docker again.
> > > >
> > > > Hi,
> > > >
> > > > there have been follow-up fixes, that are part of 6.4.3 stable (also
> > > > 6.5-rc1) Does that version work for you?
> > >
> > > I'll recheck it again on clean system, but for the record:
> > > 1. We are running 6.5-rc1 kernels.
> > > 2. PPC doesn't compile for us on -rc1 without this fix.
> > > https://lore.kernel.org/all/20230629124500.1.I55e2f4e7903d686c4484cb23c033c6a9e1a9d4c4@changeid/
> >
> > Ohh, I see it in -rc1, let's recheck.
>
> Hi Leon,
> Please let us know how it goes.
Once, we rebuilt clean -rc1, docker worked for us.
Sorry for the noise.
>
> >
> > > 3. I didn't see anything relevant -rc1 with "git log arch/powerpc/mm/fault.c".
>
> The fixes Vlastimil was referring to are not in the fault.c, they are
> in the main mm and fork code. More specifically, check for these
> patches to exist in the branch you are testing:
>
> mm: lock newly mapped VMA with corrected ordering
> fork: lock VMAs of the parent process when forking
> mm: lock newly mapped VMA which can be modified after it becomes visible
> mm: lock a vma before stack expansion
Thanks
>
> Thanks,
> Suren.
>
> > >
> > > Do you have in mind anything specific to check?
> > >
> > > Thanks
> > >
> >
> > --
> > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-team+unsubscribe@android.com.
> >
prev parent reply other threads:[~2023-07-11 17:14 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-27 17:35 [PATCH v4 00/33] Per-VMA locks Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 01/33] maple_tree: Be more cautious about dead nodes Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 02/33] maple_tree: Detect dead nodes in mas_start() Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 03/33] maple_tree: Fix freeing of nodes in rcu mode Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 04/33] maple_tree: remove extra smp_wmb() from mas_dead_leaves() Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 05/33] maple_tree: Fix write memory barrier of nodes once dead for RCU mode Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 06/33] maple_tree: Add smp_rmb() to dead node detection Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 07/33] maple_tree: Add RCU lock checking to rcu callback functions Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 08/33] mm: Enable maple tree RCU mode by default Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 09/33] mm: introduce CONFIG_PER_VMA_LOCK Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 10/33] mm: rcu safe VMA freeing Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 11/33] mm: move mmap_lock assert function definitions Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 12/33] mm: add per-VMA lock and helper functions to control it Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 13/33] mm: mark VMA as being written when changing vm_flags Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 14/33] mm/mmap: move vma_prepare before vma_adjust_trans_huge Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 15/33] mm/khugepaged: write-lock VMA while collapsing a huge page Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 16/33] mm/mmap: write-lock VMAs in vma_prepare before modifying them Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 17/33] mm/mremap: write-lock VMA while remapping it to a new address range Suren Baghdasaryan
2023-03-01 7:01 ` Hyeonggon Yoo
2023-02-27 17:36 ` [PATCH v4 18/33] mm: write-lock VMAs before removing them from VMA tree Suren Baghdasaryan
2023-03-01 7:43 ` Hyeonggon Yoo
2023-03-01 7:56 ` Hyeonggon Yoo
2023-03-01 18:34 ` Suren Baghdasaryan
2023-03-01 18:42 ` Suren Baghdasaryan
2023-03-02 0:53 ` Hyeonggon Yoo
2023-03-02 2:21 ` Suren Baghdasaryan
2023-03-01 19:07 ` Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 19/33] mm: conditionally write-lock VMA in free_pgtables Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 20/33] kernel/fork: assert no VMA readers during its destruction Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 21/33] mm/mmap: prevent pagefault handler from racing with mmu_notifier registration Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 22/33] mm: introduce vma detached flag Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 23/33] mm: introduce lock_vma_under_rcu to be used from arch-specific code Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 24/33] mm: fall back to mmap_lock if vma->anon_vma is not yet set Suren Baghdasaryan
2023-03-01 9:54 ` Hyeonggon Yoo
2023-02-27 17:36 ` [PATCH v4 25/33] mm: add FAULT_FLAG_VMA_LOCK flag Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 26/33] mm: prevent do_swap_page from handling page faults under VMA lock Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 27/33] mm: prevent userfaults to be handled under per-vma lock Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 28/33] mm: introduce per-VMA lock statistics Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 29/33] x86/mm: try VMA lock-based page fault handling first Suren Baghdasaryan
2023-06-29 14:40 ` Jiri Slaby
2023-06-29 15:30 ` Suren Baghdasaryan
2023-06-30 6:35 ` Jiri Slaby
2023-06-30 8:28 ` Jiri Slaby
2023-06-30 8:43 ` Jiri Slaby
2023-06-30 17:40 ` Suren Baghdasaryan
2023-07-03 10:47 ` Jiri Slaby
2023-07-03 13:52 ` Holger Hoffstätte
2023-07-03 14:45 ` Suren Baghdasaryan
2023-07-03 15:24 ` Suren Baghdasaryan
2023-07-03 18:28 ` Suren Baghdasaryan
2023-07-05 22:15 ` Suren Baghdasaryan
2023-07-05 22:37 ` Holger Hoffstätte
2023-07-05 22:55 ` Suren Baghdasaryan
2023-07-06 14:27 ` Holger Hoffstätte
2023-07-06 16:11 ` Suren Baghdasaryan
2023-07-07 2:23 ` Suren Baghdasaryan
2023-07-07 4:40 ` Suren Baghdasaryan
2023-07-11 6:20 ` Jiri Slaby
2023-06-29 17:06 ` Linux regression tracking #adding (Thorsten Leemhuis)
2023-07-03 9:58 ` Linux regression tracking (Thorsten Leemhuis)
2023-02-27 17:36 ` [PATCH v4 30/33] arm64/mm: " Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 31/33] powerc/mm: " Suren Baghdasaryan
2023-03-06 15:42 ` [PATCH] powerpc/mm: fix mmap_lock bad unlock Laurent Dufour
2023-03-06 20:25 ` [PATCH v4 31/33] powerc/mm: try VMA lock-based page fault handling first Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 32/33] mm/mmap: free vm_area_struct without call_rcu in exit_mmap Suren Baghdasaryan
2023-02-27 17:36 ` [PATCH v4 33/33] mm: separate vma->lock from vm_area_struct Suren Baghdasaryan
2023-07-11 10:35 ` [PATCH v4 00/33] Per-VMA locks Leon Romanovsky
2023-07-11 10:39 ` Vlastimil Babka
2023-07-11 11:01 ` Leon Romanovsky
2023-07-11 11:09 ` Leon Romanovsky
2023-07-11 16:35 ` Suren Baghdasaryan
2023-07-11 17:14 ` Leon Romanovsky [this message]
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