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coroutine: drop qemu_coroutine_adjust_pool_size

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This is not needed anymore.  The new TLS-based algorithm is adaptive.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1417518350-6167-7-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-12-02 12:05:49 +01:00 committed by Stefan Hajnoczi
parent 4d68e86bb1
commit 66552b894b
3 changed files with 0 additions and 18 deletions
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4
block/block-backend.c
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@ -260,9 +260,6 @@ int blk_attach_dev(BlockBackend *blk, void *dev)
blk_ref(blk);
blk->dev = dev;
bdrv_iostatus_reset(blk->bs);
/* We're expecting I/O from the device so bump up coroutine pool size */
qemu_coroutine_adjust_pool_size(COROUTINE_POOL_RESERVATION);
return 0;
}
@ -290,7 +287,6 @@ void blk_detach_dev(BlockBackend *blk, void *dev)
blk->dev_ops = NULL;
blk->dev_opaque = NULL;
bdrv_set_guest_block_size(blk->bs, 512);
qemu_coroutine_adjust_pool_size(-COROUTINE_POOL_RESERVATION);
blk_unref(blk);
}

10
include/block/coroutine.h
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@ -216,14 +216,4 @@ void coroutine_fn co_aio_sleep_ns(AioContext *ctx, QEMUClockType type,
*/
void coroutine_fn yield_until_fd_readable(int fd);
/**
* Add or subtract from the coroutine pool size
*
* The coroutine implementation keeps a pool of coroutines to be reused by
* qemu_coroutine_create(). This makes coroutine creation cheap. Heavy
* coroutine users should call this to reserve pool space. Call it again with
* a negative number to release pool space.
*/
void qemu_coroutine_adjust_pool_size(int n);
#endif /* QEMU_COROUTINE_H */

4
qemu-coroutine.c
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@ -143,7 +143,3 @@ void coroutine_fn qemu_coroutine_yield(void)
self->caller = NULL;
coroutine_swap(self, to);
}
void qemu_coroutine_adjust_pool_size(int n)
{
}