+ selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch added to mm-nonmm-unstable branch

+ selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: selftests/mqueue: fix 5 warnings about signed/unsigned mismatches
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: John Hubbard <jhubbard@nvidia.com>
Subject: selftests/mqueue: fix 5 warnings about signed/unsigned mismatches
Date: Sun, 5 May 2024 15:13:59 -0700

When building with clang, via:

    make LLVM=1 -C tools/testing/selftest

...clang warns about several cases of using a signed integer for the
priority argument to mq_receive(3), which expects an unsigned int.

Fix this by declaring the type as unsigned int in all cases.

Link: https://lkml.kernel.org/r/20240505221359.65258-1-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Valentin Obst <kernel@valentinobst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/mqueue/mq_perf_tests.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/tools/testing/selftests/mqueue/mq_perf_tests.c~selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches
+++ a/tools/testing/selftests/mqueue/mq_perf_tests.c
@@ -323,7 +323,8 @@ void *fake_cont_thread(void *arg)
 void *cont_thread(void *arg)
 {
 	char buff[MSG_SIZE];
-	int i, priority;
+	int i;
+	unsigned int priority;
 
 	for (i = 0; i < num_cpus_to_pin; i++)
 		if (cpu_threads[i] == pthread_self())
@@ -425,7 +426,8 @@ struct test test2[] = {
 void *perf_test_thread(void *arg)
 {
 	char buff[MSG_SIZE];
-	int prio_out, prio_in;
+	int prio_out;
+	unsigned int prio_in;
 	int i;
 	clockid_t clock;
 	pthread_t *t;
_

Patches currently in -mm which might be from jhubbard@nvidia.com are

selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

+ selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: selftests/mqueue: fix 5 warnings about signed/unsigned mismatches
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days

------------------------------------------------------
From: John Hubbard <jhubbard@nvidia.com>
Subject: selftests/mqueue: fix 5 warnings about signed/unsigned mismatches
Date: Mon, 27 May 2024 13:08:35 -0700

When building with clang, via:

    make LLVM=1 -C tools/testing/selftest

...clang warns about several cases of using a signed integer for the
priority argument to mq_receive(3), which expects an unsigned int.

Fix this by declaring the type as unsigned int in all cases.

Link: https://lkml.kernel.org/r/20240527200835.143682-1-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Valentin Obst <kernel@valentinobst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/mqueue/mq_perf_tests.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/tools/testing/selftests/mqueue/mq_perf_tests.c~selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches
+++ a/tools/testing/selftests/mqueue/mq_perf_tests.c
@@ -323,7 +323,8 @@ void *fake_cont_thread(void *arg)
 void *cont_thread(void *arg)
 {
 	char buff[MSG_SIZE];
-	int i, priority;
+	int i;
+	unsigned int priority;
 
 	for (i = 0; i < num_cpus_to_pin; i++)
 		if (cpu_threads[i] == pthread_self())
@@ -425,7 +426,8 @@ struct test test2[] = {
 void *perf_test_thread(void *arg)
 {
 	char buff[MSG_SIZE];
-	int prio_out, prio_in;
+	int prio_out;
+	unsigned int prio_in;
 	int i;
 	clockid_t clock;
 	pthread_t *t;
_

Patches currently in -mm which might be from jhubbard@nvidia.com are

selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch