Re: [PATCH v2 00/14] x86: Rewrite exit-to-userspace code

2015-06-22 Thread Andy Lutomirski
On Mon, Jun 22, 2015 at 12:50 PM, Andy Lutomirski wrote: > On Thu, Jun 18, 2015 at 12:08 PM, Andy Lutomirski wrote: >> This is the first big batch of x86 asm-to-C conversion patches. > > Ingo, what's the plan for these? I found a minor design error that's > harmless so far (I think), but I don't

Re: [PATCH v2 00/14] x86: Rewrite exit-to-userspace code

2015-06-22 Thread Andy Lutomirski
On Thu, Jun 18, 2015 at 12:08 PM, Andy Lutomirski wrote: > This is the first big batch of x86 asm-to-C conversion patches. Ingo, what's the plan for these? I found a minor design error that's harmless so far (I think), but I don't know whether I should fix it as a follow-up or do a v3. --Andy -

[PATCH v2 00/14] x86: Rewrite exit-to-userspace code

2015-06-18 Thread Andy Lutomirski
This is the first big batch of x86 asm-to-C conversion patches. The exit-to-usermode code is copied in several places and is written in a nasty combination of asm and C. It's not at all clear what it's supposed to do, and the way it's structured makes it very hard to work with. For example, it's