Re: [PATCH v17 03/15] arm64: Introduce prctl() options to control the tagged user addresses ABI

2019-06-18 Thread Evgenii Stepanov
On Mon, Jun 17, 2019 at 10:18 AM Catalin Marinas wrote: > > On Mon, Jun 17, 2019 at 09:57:36AM -0700, Evgenii Stepanov wrote: > > On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas > > wrote: > > > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote: &g

Re: [PATCH v17 03/15] arm64: Introduce prctl() options to control the tagged user addresses ABI

2019-06-18 Thread Evgenii Stepanov
On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas wrote: > > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote: > > From: Catalin Marinas > > > > It is not desirable to relax the ABI to allow tagged user addresses into > > the kernel indiscriminately. This patch introduces a prctl()