Re: [RFC PATCH 00/13] x86 User Interrupts support

2021-10-01 Thread Richard Henderson
On 10/1/21 12:35 PM, Stefan Hajnoczi wrote: QEMU's TCG threads execute translated code. There are events that require interrupting these threads. Today a check is performed at the start of every translated block. Most of the time the check is false and it's a waste of CPU. User interrupts can el

Re: [RFC PATCH 00/13] x86 User Interrupts support

2021-10-01 Thread Stefan Hajnoczi
On Thu, Sep 30, 2021 at 10:24:24AM -0700, Sohil Mehta wrote: > > On 9/30/2021 9:30 AM, Stefan Hajnoczi wrote: > > On Tue, Sep 28, 2021 at 09:31:34PM -0700, Andy Lutomirski wrote: > > > > > > I spent some time reviewing the docs (ISE) and contemplating how this all > > > fits together, and I have