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Re: [Qemu-devel] [PATCH] block/mirror: add missing coroutine_fn annotati
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH] block/mirror: add missing coroutine_fn annotations |
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Date: |
Thu, 13 Dec 2018 13:02:37 +0100 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
Am 13.12.2018 um 12:24 hat Stefan Hajnoczi geschrieben:
> Marking a function coroutine_fn currently has no effect on the compiler,
> but it documents that this function must be called from coroutine
> context and it may yield. This is important information for the
> programmer.
>
> Also, if we ever transition to a stackless coroutine implementation,
> then it's likely that the annotation will become mandatory so the
> compiler can use the correct calling convention for coroutine functions.
>
> Cc: Max Reitz <address@hidden>
> Cc: John Snow <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
Thanks, applied to the block branch.
Kevin