|
| From: | Alex Bennée |
| Subject: | Re: [Qemu-devel] [PATCH v6 19/19] tcg: enable MTTCG by default for ARM on x86 hosts |
| Date: | Thu, 10 Nov 2016 18:13:04 +0000 |
| User-agent: | mu4e 0.9.17; emacs 25.1.50.16 |
Richard Henderson <address@hidden> writes: > On 11/09/2016 03:57 PM, Alex Bennée wrote: >> This enables the multi-threaded system emulation by default for ARMv7 >> and ARMv8 guests using the x86_64 TCG backend. This means: >> >> - The x86_64 TCG backend supports cmpxchg based atomic ops >> - The x86_64 TCG backend emits barriers for barrier ops > > What tcg backend doesn't support what we need? For a weakly ordered target, > any of our hosts should work. True, but this comes with certification that I've tested it. But you are right adding this to configure is fugly. Should I just drop the backend config symbol requirement totally? -- Alex Bennée
| [Prev in Thread] | Current Thread | [Next in Thread] |