Commit 66552b89 authored Dec 02, 2014 by Paolo Bonzini Committed by Stefan Hajnoczi Jan 13, 2015

coroutine: drop qemu_coroutine_adjust_pool_size



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>

parent 4d68e86b

block/block-backend.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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);
		}

include/block/coroutine.h

+0 −10

Original line number	Diff line number	Diff line
		@@ -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 */

qemu-coroutine.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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)
		{
		}