[PATCH] ltp: Fix another determinism issue

[PATCH] ltp: Fix another determinism issue

[Richard Purdie]

After the other fixes there remained occasional problems. Fix another makefile
sorting problem affecting the disktest binary.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 .../ltp/ltp/determinism2.patch                | 24 +++++++++++++++++++
 meta/recipes-extended/ltp/ltp_20210121.bb     |  5 ++--
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 meta/recipes-extended/ltp/ltp/determinism2.patch

diff --git a/meta/recipes-extended/ltp/ltp/determinism2.patch b/meta/recipes-extended/ltp/ltp/determinism2.patch
new file mode 100644
index 00000000000..ab08e8e5172
--- /dev/null
+++ b/meta/recipes-extended/ltp/ltp/determinism2.patch
@@ -0,0 +1,24 @@
+testcases/kernel/io/disktest: Fix determinism issue
+
+The order of the objects linked into the test varies depending on the
+order of the files found on disk. This results in the disktest binary
+differing depending on that order.
+
+Sort the wildcard expansion of *.c which leads to reproducible binaries.
+
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
+Upstream-Status: Pending
+
+Index: git/testcases/kernel/io/disktest/Makefile
+===================================================================
+--- git.orig/testcases/kernel/io/disktest/Makefile
++++ git/testcases/kernel/io/disktest/Makefile
+@@ -209,7 +209,7 @@ LDLIBS		+= -lpthread
+ 
+ MAKE_TARGETS	:= disktest
+ 
+-OBJS		:= $(patsubst $(abs_srcdir)/%.c,%.o,$(wildcard $(abs_srcdir)/*.c))
++OBJS		:= $(patsubst $(abs_srcdir)/%.c,%.o,$(sort $(wildcard $(abs_srcdir)/*.c)))
+ 
+ disktest-$(VER):
+ 	mkdir -p "$@"
diff --git a/meta/recipes-extended/ltp/ltp_20210121.bb b/meta/recipes-extended/ltp/ltp_20210121.bb
index 593f07087c4..325574a50e9 100644
--- a/meta/recipes-extended/ltp/ltp_20210121.bb
+++ b/meta/recipes-extended/ltp/ltp_20210121.bb
@@ -30,8 +30,8 @@ CFLAGS_append_mipsarchn64 = " -D__SANE_USERSPACE_TYPES__"
 SRCREV = "4d005621edd109d119627eb9210b224a63bf22cb"
 
 # remove at next version upgrade or when output changes
-PR = "r1"
-HASHEQUIV_HASH_VERSION .= ".1"
+PR = "r2"
+HASHEQUIV_HASH_VERSION .= ".2"
 
 SRC_URI = "git://github.com/linux-test-project/ltp.git \
            file://0001-build-Add-option-to-select-libc-implementation.patch \
@@ -39,6 +39,7 @@ SRC_URI = "git://github.com/linux-test-project/ltp.git \
            file://0001-Add-more-musl-exclusions.patch \
            file://0001-Remove-OOM-tests-from-runtest-mm.patch \
            file://determinism.patch \
+           file://determinism2.patch \
            "
 
 S = "${WORKDIR}/git"
-- 
2.27.0