Patch-mainline: v5.18-rc1

Git-commit: f03560a57c1f60db6ac23ffd9714e1c69e2f95c7

References: git-fixes

From: "Michael S. Tsirkin" <mst@redhat.com>

Date: Sun, 20 Mar 2022 07:02:14 -0400

Subject: [PATCH] tools/virtio: compile with -pthread

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: Juergen Gross <jgross@suse.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}

-- 

2.35.3