Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-30 Thread Dan Williams
On Mon, May 13, 2019 at 12:22 PM Logan Gunthorpe wrote: > > > > On 2019-05-08 11:05 a.m., Logan Gunthorpe wrote: > > > > > > On 2019-05-07 5:55 p.m., Dan Williams wrote: > >> Changes since v1 [1]: > >> - Fix a NULL-pointer deref crash in pci_p2pdma_release() (Logan) > >> > >> - Refresh the p2pdma

Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-16 Thread Jane Chu
On 5/16/2019 2:51 PM, Dan Williams wrote: On Thu, May 16, 2019 at 9:45 AM Jane Chu wrote: Hi, I'm able to reproduce the panic below by running two sets of ndctl commands that actually serve legitimate purpose in parallel (unlike the brute force experiment earlier), each set in a indefinite lo

Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-16 Thread Dan Williams
On Thu, May 16, 2019 at 9:45 AM Jane Chu wrote: > > Hi, > > I'm able to reproduce the panic below by running two sets of ndctl > commands that actually serve legitimate purpose in parallel (unlike > the brute force experiment earlier), each set in a indefinite loop. > This time it takes about an h

Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-16 Thread jane . chu
Apology for resending in plain text. -jane On 5/16/19 9:45 AM, Jane Chu wrote: Hi, I'm able to reproduce the panic below by running two sets of ndctl commands that actually serve legitimate purpose in parallel (unlike the brute force experiment earlier), each set in a indefinite loop. This time

Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-14 Thread Jane Chu
On 5/14/2019 12:04 PM, Dan Williams wrote: On Tue, May 14, 2019 at 11:53 AM Jane Chu wrote: On 5/13/2019 12:22 PM, Logan Gunthorpe wrote: On 2019-05-08 11:05 a.m., Logan Gunthorpe wrote: On 2019-05-07 5:55 p.m., Dan Williams wrote: Changes since v1 [1]: - Fix a NULL-pointer deref crash in p

Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-14 Thread Dan Williams
On Tue, May 14, 2019 at 11:53 AM Jane Chu wrote: > > On 5/13/2019 12:22 PM, Logan Gunthorpe wrote: > > On 2019-05-08 11:05 a.m., Logan Gunthorpe wrote: > > On 2019-05-07 5:55 p.m., Dan Williams wrote: > > Changes since v1 [1]: > - Fix a NULL-pointer deref crash in pci_p2pdma_release() (Logan) > >

Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

2019-05-13 Thread Logan Gunthorpe
On 2019-05-08 11:05 a.m., Logan Gunthorpe wrote: > > > On 2019-05-07 5:55 p.m., Dan Williams wrote: >> Changes since v1 [1]: >> - Fix a NULL-pointer deref crash in pci_p2pdma_release() (Logan) >> >> - Refresh the p2pdma patch headers to match the format of other p2pdma >>patches (Bjorn) >>