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[PATCH] libqtest: refuse QTEST_QEMU_BINARY=qemu-kvm
From: |
Stefan Hajnoczi |
Subject: |
[PATCH] libqtest: refuse QTEST_QEMU_BINARY=qemu-kvm |
Date: |
Wed, 7 Apr 2021 11:45:11 +0100 |
Some downstreams rename the QEMU binary to "qemu-kvm". This breaks
qtest_get_arch(), which attempts to parse the target architecture from
the QTEST_QEMU_BINARY environment variable.
Print an error instead of returning the architecture "kvm". Things fail
in weird ways when the architecture string is bogus.
Arguably qtests should always be run in a build directory instead of
against an installed QEMU. In any case, printing a clear error when this
happens is helpful.
Reported-by: Qin Wang <qinwang@rehdat.com>
Cc: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
tests/qtest/libqtest.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index 71e359efcd..2fc249c0b5 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -910,6 +910,14 @@ const char *qtest_get_arch(void)
abort();
}
+ if (strcmp(end + 1, "kvm") == 0) {
+ fprintf(stderr, "QTEST_QEMU_BINARY must end with *-<arch>. If you are "
+ "using qemu-kvm, please create a symlink like ln -s "
+ "path/to/qemu-kvm qemu-system-x86_64 and use that "
+ "instead.\n");
+ abort();
+ }
+
return end + 1;
}
--
2.30.2
- [PATCH] libqtest: refuse QTEST_QEMU_BINARY=qemu-kvm,
Stefan Hajnoczi <=