| commit | 374c2847f9c03da7365bfb78e5ef96a0cb837656 | [log] [tgz] |
|---|---|---|
| author | Cherry Zhang <cherryyz@google.com> | Mon Oct 28 00:53:14 2019 -0400 |
| committer | Cherry Zhang <cherryyz@google.com> | Fri Nov 08 16:44:48 2019 +0000 |
| tree | d53e66576fc42b184a39be7569fe1bacdea70f85 | |
| parent | 7f574e476ac4a6e8c2719b9674ee7b3786bb8401 [diff] |
runtime: add async preemption support on PPC64 This CL adds support of call injection and async preemption on PPC64. For the injected call to return to the preempted PC, we have to clobber either LR or CTR. For reasons mentioned in previous CLs, we choose CTR. Previous CLs have marked code sequences that use CTR async-nonpreemtible. Change-Id: Ia642b5f06a890dd52476f45023b2a830c522eee0 Reviewed-on: https://go-review.googlesource.com/c/go/+/203824 Run-TryBot: Cherry Zhang <cherryyz@google.com> Reviewed-by: Keith Randall <khr@golang.org>
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