Re: [RFC][PATCH 0/3] IVSHMEM version 2 device for QEMU

[no-reply@patchew.org]

Patchew URL: https://patchew.org/QEMU/cover.1573477032.git.jan.kiszka@siemens.com/



Hi,

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

Subject: [RFC][PATCH 0/3] IVSHMEM version 2 device for QEMU
Type: series
Message-id: cover.1573477032.git.jan.kiszka@siemens.com

=== 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
Switched to a new branch 'test'
45625de contrib: Add server for ivshmem revision 2
df18ce0 docs/specs: Add specification of ivshmem device revision 2
ff35318 hw/misc: Add implementation of ivshmem revision 2 device

=== OUTPUT BEGIN ===
1/3 Checking commit ff35318fdf84 (hw/misc: Add implementation of ivshmem revision 2 device)
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#63: 
new file mode 100644

ERROR: return is not a function, parentheses are not required
#206: FILE: hw/misc/ivshmem2.c:139:
+    return (ivs->features & (1 << feature));

ERROR: memory barrier without comment
#250: FILE: hw/misc/ivshmem2.c:183:
+    smp_mb();

ERROR: braces {} are necessary for all arms of this statement
#625: FILE: hw/misc/ivshmem2.c:558:
+    if (msg->vector == 0)
[...]

WARNING: Block comments use a leading /* on a separate line
#775: FILE: hw/misc/ivshmem2.c:708:
+/* Select the MSI-X vectors used by device.

WARNING: Block comments use a trailing */ on a separate line
#777: FILE: hw/misc/ivshmem2.c:710:
+ * we just enable all vectors on init and after reset. */

total: 3 errors, 3 warnings, 1147 lines checked

Patch 1/3 has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

2/3 Checking commit df18ce079161 (docs/specs: Add specification of ivshmem device revision 2)
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#24: 
new file mode 100644

total: 0 errors, 1 warnings, 333 lines checked

Patch 2/3 has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.
3/3 Checking commit 45625def0d51 (contrib: Add server for ivshmem revision 2)
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#77: 
new file mode 100644

WARNING: Block comments use a leading /* on a separate line
#174: FILE: contrib/ivshmem2-server/ivshmem2-server.c:86:
+/* free a peer when the server advertises a disconnection or when the

WARNING: Block comments use a trailing */ on a separate line
#175: FILE: contrib/ivshmem2-server/ivshmem2-server.c:87:
+ * server is freed */

ERROR: memory barrier without comment
#194: FILE: contrib/ivshmem2-server/ivshmem2-server.c:106:
+    smp_mb();

WARNING: Block comments use a leading /* on a separate line
#276: FILE: contrib/ivshmem2-server/ivshmem2-server.c:188:
+    /* XXX: this could use id allocation such as Linux IDA, or simply

WARNING: Block comments use a trailing */ on a separate line
#277: FILE: contrib/ivshmem2-server/ivshmem2-server.c:189:
+     * a free-list */

WARNING: Block comments use a leading /* on a separate line
#342: FILE: contrib/ivshmem2-server/ivshmem2-server.c:254:
+/* Try to ftruncate a file to next power of 2 of shmsize.

WARNING: Block comments use a trailing */ on a separate line
#346: FILE: contrib/ivshmem2-server/ivshmem2-server.c:258:
+ * shm_size value. */

WARNING: Block comments use a leading /* on a separate line
#619: FILE: contrib/ivshmem2-server/ivshmem2-server.h:63:
+    const char *shm_path;           /**< Path to the shared memory; path

WARNING: Block comments use * on subsequent lines
#620: FILE: contrib/ivshmem2-server/ivshmem2-server.h:64:
+    const char *shm_path;           /**< Path to the shared memory; path
+                                         corresponds to a POSIX shm name or a

WARNING: Block comments use a trailing */ on a separate line
#621: FILE: contrib/ivshmem2-server/ivshmem2-server.h:65:
+                                         hugetlbfs mount point. */

WARNING: Block comments use a leading /* on a separate line
#622: FILE: contrib/ivshmem2-server/ivshmem2-server.h:66:
+    bool use_shm_open;              /**< true to use shm_open, false for

WARNING: Block comments use * on subsequent lines
#623: FILE: contrib/ivshmem2-server/ivshmem2-server.h:67:
+    bool use_shm_open;              /**< true to use shm_open, false for
+                                         file-backed shared memory */

WARNING: Block comments use a trailing */ on a separate line
#623: FILE: contrib/ivshmem2-server/ivshmem2-server.h:67:
+                                         file-backed shared memory */

ERROR: spaces required around that '*' (ctx:VxV)
#742: FILE: contrib/ivshmem2-server/main.c:22:
+#define IVSHMEM_SERVER_DEFAULT_SHM_SIZE       (4*1024*1024)
                                                 ^

ERROR: spaces required around that '*' (ctx:VxV)
#742: FILE: contrib/ivshmem2-server/main.c:22:
+#define IVSHMEM_SERVER_DEFAULT_SHM_SIZE       (4*1024*1024)
                                                      ^

WARNING: Block comments use a leading /* on a separate line
#906: FILE: contrib/ivshmem2-server/main.c:186:
+/* wait for events on listening server unix socket and connected client

WARNING: Block comments use a trailing */ on a separate line
#907: FILE: contrib/ivshmem2-server/main.c:187:
+ * sockets */

WARNING: Block comments use a leading /* on a separate line
#977: FILE: contrib/ivshmem2-server/main.c:257:
+    /* Ignore SIGPIPE, see this link for more info:

WARNING: Block comments use a trailing */ on a separate line
#978: FILE: contrib/ivshmem2-server/main.c:258:
+     * http://www.mail-archive.com/libevent-users@monkey.org/msg01606.html */

total: 3 errors, 17 warnings, 963 lines checked

Patch 3/3 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/cover.1573477032.git.jan.kiszka@siemens.com/testing.checkpatch/?type=message.
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