Re: BUG Re: mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk

Confirmed: - Removing DEBUG_VM_RB fixes the hang. Also confirmed: - Above patch fixes the hang when DEBUG_VM_RB is re-enabled. Thanks! On Tue, Sep 27, 2016 at 11:05 AM, Andrea Arcangeli wrote: > Hello, > > On Tue, Sep 27, 2016 at 05:16:15AM -0500, Shaun Tancheff

Re: BUG Re: mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk

Confirmed: - Removing DEBUG_VM_RB fixes the hang. Also confirmed: - Above patch fixes the hang when DEBUG_VM_RB is re-enabled. Thanks! On Tue, Sep 27, 2016 at 11:05 AM, Andrea Arcangeli wrote: > Hello, > > On Tue, Sep 27, 2016 at 05:16:15AM -0500, Shaun Tancheff wrote: >> git bisect

Re: BUG Re: mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk

Hello, On Tue, Sep 27, 2016 at 05:16:15AM -0500, Shaun Tancheff wrote: > git bisect points at commit c9634dcf00c9c93b ("mm: vma_merge: fix > vm_page_prot SMP race condition against rmap_walk") I assume linux-next? But I can't find the commit, but I should know what this is. > > Last lines to

Re: BUG Re: mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk

Hello, On Tue, Sep 27, 2016 at 05:16:15AM -0500, Shaun Tancheff wrote: > git bisect points at commit c9634dcf00c9c93b ("mm: vma_merge: fix > vm_page_prot SMP race condition against rmap_walk") I assume linux-next? But I can't find the commit, but I should know what this is. > > Last lines to

BUG Re: mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk

git bisect points at commit c9634dcf00c9c93b ("mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk") Last lines to console are [transcribed]: vma 8c3d989a7c78 start 7fe02ed4c000 end 7fe02ed52000 next 8c3d96de0c38 prev 8c3d989a6e40 mm 8c3d071cbac0 prot

BUG Re: mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk

git bisect points at commit c9634dcf00c9c93b ("mm: vma_merge: fix vm_page_prot SMP race condition against rmap_walk") Last lines to console are [transcribed]: vma 8c3d989a7c78 start 7fe02ed4c000 end 7fe02ed52000 next 8c3d96de0c38 prev 8c3d989a6e40 mm 8c3d071cbac0 prot