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runtime: disable async preemption on darwin/arm(64) for now
Enabling async preemption on darwin/arm and darwin/arm64 causes the builder to fail, e.g. https://build.golang.org/log/03f727b8f91b0c75bf54ff508d7d2f00b5cad4bf Due to the limited resource, I haven't been able to get access on those devices to debug. Disable async preemption for now. Updates #35439. Change-Id: I5a31ad6962c2bae8e6e9b8303c494610a8a4e50a Reviewed-on: https://go-review.googlesource.com/c/go/+/205842 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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@ -63,7 +63,9 @@ func (c *sigctxt) preparePanic(sig uint32, gp *g) {
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c.set_pc(uint32(funcPC(sigpanic)))
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}
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const pushCallSupported = true
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// TODO(issue 35439): enabling async preemption causes failures on darwin/arm.
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// Disable for now.
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const pushCallSupported = GOOS != "darwin"
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func (c *sigctxt) pushCall(targetPC uintptr) {
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// Push the LR to stack, as we'll clobber it in order to
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@ -79,7 +79,9 @@ func (c *sigctxt) preparePanic(sig uint32, gp *g) {
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c.set_pc(uint64(funcPC(sigpanic)))
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}
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const pushCallSupported = true
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// TODO(issue 35439): enabling async preemption causes failures on darwin/arm64.
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// Disable for now.
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const pushCallSupported = GOOS != "darwin"
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func (c *sigctxt) pushCall(targetPC uintptr) {
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// Push the LR to stack, as we'll clobber it in order to
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