Re: [PATCH] qemu/atomic.h: prefix qemu_ to solve <stdatomic.h> collisions

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Patchew URL: https://patchew.org/QEMU/20200921162346.188997-1-stefanha@xxxxxxxxxx/



Hi,

This series seems to have some coding style problems. See output below for
more information:

Type: series
Message-id: 20200921162346.188997-1-stefanha@xxxxxxxxxx
Subject: [PATCH] qemu/atomic.h: prefix qemu_ to solve <stdatomic.h> collisions

=== TEST SCRIPT BEGIN ===
#!/bin/bash
git rev-parse base > /dev/null || exit 0
git config --local diff.renamelimit 0
git config --local diff.renames True
git config --local diff.algorithm histogram
./scripts/checkpatch.pl --mailback base..
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
>From https://github.com/patchew-project/qemu
 - [tag update]      patchew/20200918103430.297167-1-thuth@xxxxxxxxxx -> patchew/20200918103430.297167-1-thuth@xxxxxxxxxx
Switched to a new branch 'test'
25ca702 qemu/atomic.h: prefix qemu_ to solve <stdatomic.h> collisions

=== OUTPUT BEGIN ===
ERROR: Macros with multiple statements should be enclosed in a do - while loop
#2968: FILE: include/qemu/atomic.h:152:
+#define qemu_atomic_rcu_read__nocheck(ptr, valptr)      \
     __atomic_load(ptr, valptr, __ATOMIC_RELAXED);       \
     smp_read_barrier_depends();

ERROR: space required before that '*' (ctx:VxB)
#3123: FILE: include/qemu/atomic.h:347:
+#define qemu_atomic_read__nocheck(p) (*(__typeof__(*(p)) volatile*) (p))
                                                                  ^

ERROR: Use of volatile is usually wrong, please add a comment
#3123: FILE: include/qemu/atomic.h:347:
+#define qemu_atomic_read__nocheck(p) (*(__typeof__(*(p)) volatile*) (p))

ERROR: space required before that '*' (ctx:VxB)
#3125: FILE: include/qemu/atomic.h:349:
+    ((*(__typeof__(*(p)) volatile*) (p)) = (i))
                                  ^

ERROR: Use of volatile is usually wrong, please add a comment
#3125: FILE: include/qemu/atomic.h:349:
+    ((*(__typeof__(*(p)) volatile*) (p)) = (i))

ERROR: space required after that ',' (ctx:VxV)
#3130: FILE: include/qemu/atomic.h:352:
+#define qemu_atomic_set(ptr, i)     qemu_atomic_set__nocheck(ptr,i)
                                                                 ^

ERROR: memory barrier without comment
#3205: FILE: include/qemu/atomic.h:410:
+#define qemu_atomic_xchg(ptr, i) (smp_mb(), __sync_lock_test_and_set(ptr, i))

WARNING: Block comments use a leading /* on a separate line
#3280: FILE: include/qemu/atomic.h:462:
+/* qemu_atomic_mb_read/set semantics map Java volatile variables. They are

WARNING: Block comments use a leading /* on a separate line
#6394: FILE: util/bitmap.c:214:
+        /* If we avoided the full barrier in qemu_atomic_or(), issue a

WARNING: Block comments use a leading /* on a separate line
#7430: FILE: util/rcu.c:85:
+        /* Instead of using qemu_atomic_mb_set for index->waiting, and

WARNING: Block comments use a leading /* on a separate line
#7456: FILE: util/rcu.c:154:
+        /* In either case, the qemu_atomic_mb_set below blocks stores that free

total: 7 errors, 4 warnings, 6507 lines checked

Commit 25ca7029b2f2 (qemu/atomic.h: prefix qemu_ to solve <stdatomic.h> collisions) has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.
=== OUTPUT END ===

Test command exited with code: 1


The full log is available at
http://patchew.org/logs/20200921162346.188997-1-stefanha@xxxxxxxxxx/testing.checkpatch/?type=message.
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