Re: [PATCH 09/11] x86: remove address space overrides using set_fs()

2020-08-27 Thread 'Christoph Hellwig'
On Mon, Aug 17, 2020 at 08:23:11AM +, David Laight wrote: > From: Christoph Hellwig > > Sent: 17 August 2020 08:32 > > > > Stop providing the possibility to override the address space using > > set_fs() now that there is no need for that any more. To properly > > handle the TASK_SIZE_MAX

Re: [PATCH 09/11] x86: remove address space overrides using set_fs()

2020-08-18 Thread Kees Cook
On Mon, Aug 17, 2020 at 09:32:10AM +0200, Christoph Hellwig wrote: > Stop providing the possibility to override the address space using > set_fs() now that there is no need for that any more. To properly > handle the TASK_SIZE_MAX checking for 4 vs 5-level page tables on > x86 a new alternative

RE: [PATCH 09/11] x86: remove address space overrides using set_fs()

2020-08-17 Thread David Laight
From: Christoph Hellwig > Sent: 17 August 2020 08:32 > > Stop providing the possibility to override the address space using > set_fs() now that there is no need for that any more. To properly > handle the TASK_SIZE_MAX checking for 4 vs 5-level page tables on > x86 a new alternative is