Re: [Qemu-block] [Qemu-devel] [PATCH 0/9] Assembly coroutine backend and x86 CET support

2019-05-22 Thread Paolo Bonzini
On 16/05/19 14:50, Peter Maydell wrote: > On Wed, 15 May 2019 at 10:48, Stefan Hajnoczi wrote: >> 1. It's required for Intel Control-flow Enforcement Technology (CET). >>The existing ucontext backend doesn't work with CET. >> 2. It's faster than the existing ucontext implementation. > > Mmm,

Re: [Qemu-block] [Qemu-devel] [PATCH 0/9] Assembly coroutine backend and x86 CET support

2019-05-16 Thread Peter Maydell
On Wed, 15 May 2019 at 10:48, Stefan Hajnoczi wrote: > > On Thu, May 09, 2019 at 02:44:39PM +0100, Peter Maydell wrote: > > On Sun, 5 May 2019 at 16:41, Alex Bennée wrote: > > > > > > > > > Paolo Bonzini writes: > > > > > > > *** BLURB HERE *** > > > > > > I assume there was going to be a bit mo

Re: [Qemu-block] [Qemu-devel] [PATCH 0/9] Assembly coroutine backend and x86 CET support

2019-05-15 Thread Stefan Hajnoczi
On Thu, May 09, 2019 at 02:44:39PM +0100, Peter Maydell wrote: > On Sun, 5 May 2019 at 16:41, Alex Bennée wrote: > > > > > > Paolo Bonzini writes: > > > > > *** BLURB HERE *** > > > > I assume there was going to be a bit more background here? > > Mmm, could we have the rationale, please ? Paolo

Re: [Qemu-block] [Qemu-devel] [PATCH 0/9] Assembly coroutine backend and x86 CET support

2019-05-09 Thread Peter Maydell
On Sun, 5 May 2019 at 16:41, Alex Bennée wrote: > > > Paolo Bonzini writes: > > > *** BLURB HERE *** > > I assume there was going to be a bit more background here? Mmm, could we have the rationale, please ? thanks -- PMM

Re: [Qemu-block] [Qemu-devel] [PATCH 0/9] Assembly coroutine backend and x86 CET support

2019-05-09 Thread Stefan Hajnoczi
On Sat, May 04, 2019 at 06:05:18AM -0600, Paolo Bonzini wrote: > *** BLURB HERE *** > > Paolo Bonzini (10): > qemugdb: allow adding support for other coroutine backends > qemugdb: allow adding support for other architectures > coroutine: add host specific coroutine backend for 64-bit x86 >

Re: [Qemu-block] [Qemu-devel] [PATCH 0/9] Assembly coroutine backend and x86 CET support

2019-05-05 Thread Alex Bennée
Paolo Bonzini writes: > *** BLURB HERE *** I assume there was going to be a bit more background here? -- Alex Bennée