git: 1b7d882f005f - main - Enable the kcov tests on supported architectures

The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=1b7d882f005ff472808201e7f3b0771d5c032ce9

commit 1b7d882f005ff472808201e7f3b0771d5c032ce9
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2022-04-07 13:31:32 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2022-04-07 13:31:51 +0000

    Enable the kcov tests on supported architectures
    
    i386 and 32-bit powerpc lack support for the needed atomic operations
    in userspace.
    
    Sponsored by:   The FreeBSD Foundation
---
 tests/sys/kern/Makefile | 5 ++++-
 tests/sys/kern/kcov.c   | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tests/sys/kern/Makefile b/tests/sys/kern/Makefile
index e674329f77b1..0a422f42cdd3 100644
--- a/tests/sys/kern/Makefile
+++ b/tests/sys/kern/Makefile
@@ -10,7 +10,10 @@ TESTSRC=	${SRCTOP}/contrib/netbsd-tests/kernel
 TESTSDIR=	${TESTSBASE}/sys/kern
 
 ATF_TESTS_C+=	basic_signal
-#ATF_TESTS_C+=	kcov
+.if ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH} != "powerpc"
+# No support for atomic_load_64 on i386 or (32-bit) powerpc
+ATF_TESTS_C+=	kcov
+.endif
 ATF_TESTS_C+=	kern_copyin
 ATF_TESTS_C+=	kern_descrip_test
 ATF_TESTS_C+=	fdgrowtable_test
diff --git a/tests/sys/kern/kcov.c b/tests/sys/kern/kcov.c
index 0a59ddbeff73..a8a43faf2d15 100644
--- a/tests/sys/kern/kcov.c
+++ b/tests/sys/kern/kcov.c
@@ -340,7 +340,7 @@ ATF_TC_BODY(kcov_thread_cmp, tc)
 }
 
 struct multi_thread_data {
-	char *buf;
+	uint64_t *buf;
 	int fd;
 	u_int mode;
 	int thread;