From: "Michael S. Tsirkin" mst@redhat.com
stable inclusion from stable-v5.10.118 commit 3663d6023aa2198f7d3eb55cc7797b1f9fff7659 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L686
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit f03560a57c1f60db6ac23ffd9714e1c69e2f95c7 ]
When using pthreads, one has to compile and link with -lpthread, otherwise e.g. glibc is not guaranteed to be reentrant.
This replaces -lpthread.
Reported-by: Matthew Wilcox willy@infradead.org Signed-off-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- tools/virtio/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile index 0d7bbe49359d..1b25cc7c64bb 100644 --- a/tools/virtio/Makefile +++ b/tools/virtio/Makefile @@ -5,7 +5,8 @@ virtio_test: virtio_ring.o virtio_test.o vringh_test: vringh_test.o vringh.o virtio_ring.o
CFLAGS += -g -O2 -Werror -Wno-maybe-uninitialized -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h -LDFLAGS += -lpthread +CFLAGS += -pthread +LDFLAGS += -pthread vpath %.c ../../drivers/virtio ../../drivers/vhost mod: ${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}