Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-23 Thread Zhengyejian (Zetta)
On 2021/2/23 21:00, Greg KH wrote: On Mon, Feb 22, 2021 at 09:11:43PM +0800, Zhengyejian (Zetta) wrote: On 2021/2/22 20:36, Greg KH wrote: On Mon, Feb 22, 2021 at 08:20:38PM +0800, Zhengyejian (Zetta) wrote: On 2021/2/22 20:07, Greg KH wrote: On Mon, Feb 22, 2021 at 11:54:24AM +, L

Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-23 Thread Greg KH
On Mon, Feb 22, 2021 at 09:11:43PM +0800, Zhengyejian (Zetta) wrote: > > > On 2021/2/22 20:36, Greg KH wrote: > > On Mon, Feb 22, 2021 at 08:20:38PM +0800, Zhengyejian (Zetta) wrote: > > > > > > > > > On 2021/2/22 20:07, Greg KH wrote: > > > > On Mon, Feb 22, 2021 at 11:54:24AM +, Lee Jones

Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-22 Thread Zhengyejian (Zetta)
On 2021/2/22 20:36, Greg KH wrote: On Mon, Feb 22, 2021 at 08:20:38PM +0800, Zhengyejian (Zetta) wrote: On 2021/2/22 20:07, Greg KH wrote: On Mon, Feb 22, 2021 at 11:54:24AM +, Lee Jones wrote: On Mon, 22 Feb 2021, Zheng Yejian wrote: From: Peter Zijlstra commit a97cb0e7b3f4c6297f

Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-22 Thread Greg KH
On Mon, Feb 22, 2021 at 08:20:38PM +0800, Zhengyejian (Zetta) wrote: > > > On 2021/2/22 20:07, Greg KH wrote: > > On Mon, Feb 22, 2021 at 11:54:24AM +, Lee Jones wrote: > > > On Mon, 22 Feb 2021, Zheng Yejian wrote: > > > > > > > From: Peter Zijlstra > > > > > > > > commit a97cb0e7b3f4c629

Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-22 Thread Zhengyejian (Zetta)
On 2021/2/22 20:07, Greg KH wrote: On Mon, Feb 22, 2021 at 11:54:24AM +, Lee Jones wrote: On Mon, 22 Feb 2021, Zheng Yejian wrote: From: Peter Zijlstra commit a97cb0e7b3f4c6297fd857055ae8e895f402f501 upstream. Both Geert and DaveJ reported that the recent futex commit: c1e2f0eaf0

Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-22 Thread Greg KH
On Mon, Feb 22, 2021 at 11:54:24AM +, Lee Jones wrote: > On Mon, 22 Feb 2021, Zheng Yejian wrote: > > > From: Peter Zijlstra > > > > commit a97cb0e7b3f4c6297fd857055ae8e895f402f501 upstream. > > > > Both Geert and DaveJ reported that the recent futex commit: > > > > c1e2f0eaf015 ("futex:

Re: [PATCH 4.9.257 1/1] futex: Fix OWNER_DEAD fixup

2021-02-22 Thread Lee Jones
On Mon, 22 Feb 2021, Zheng Yejian wrote: > From: Peter Zijlstra > > commit a97cb0e7b3f4c6297fd857055ae8e895f402f501 upstream. > > Both Geert and DaveJ reported that the recent futex commit: > > c1e2f0eaf015 ("futex: Avoid violating the 10th rule of futex") > > introduced a problem with sett