All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Christoph Hellwig <hch@lst.de>,
	linux-kernel@vger.kernel.org,
	Masahiro Yamada <masahiroy@kernel.org>,
	Michal Marek <michal.lkml@markovi.net>,
	linux-kbuild@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v2 1/2] modpost: Mark uuid_le type only for MEI
Date: Fri, 30 Oct 2020 20:49:49 +0200	[thread overview]
Message-ID: <20201030184950.26732-1-andriy.shevchenko@linux.intel.com> (raw)

The uuid_le type is used only for MEI ABI, do not advertise it for others.
Due to above, bury add_uuid() in its only user.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v2: no changes
 scripts/mod/file2alias.c | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 8a438c94dcd9..fefff92b33ef 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -34,19 +34,22 @@ typedef Elf64_Addr	kernel_ulong_t;
 typedef uint32_t	__u32;
 typedef uint16_t	__u16;
 typedef unsigned char	__u8;
+
 typedef struct {
 	__u8 b[16];
 } guid_t;
 
-/* backwards compatibility, don't use in new code */
-typedef struct {
-	__u8 b[16];
-} uuid_le;
 typedef struct {
 	__u8 b[16];
 } uuid_t;
+
 #define	UUID_STRING_LEN		36
 
+/* MEI UUID type, don't use anywhere else */
+typedef struct {
+	__u8 b[16];
+} uuid_le;
+
 /* Big exception to the "don't include kernel headers into userspace, which
  * even potentially has different endianness and word sizes, since
  * we handle those differences explicitly below */
@@ -104,17 +107,6 @@ static inline void add_wildcard(char *str)
 		strcat(str + len, "*");
 }
 
-static inline void add_uuid(char *str, uuid_le uuid)
-{
-	int len = strlen(str);
-
-	sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-		uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0],
-		uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6],
-		uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11],
-		uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]);
-}
-
 /**
  * Check that sizeof(device_id type) are consistent with size of section
  * in .o file. If in-consistent then userspace and kernel does not agree
@@ -1198,12 +1190,16 @@ static int do_mei_entry(const char *filename, void *symval,
 			char *alias)
 {
 	DEF_FIELD_ADDR(symval, mei_cl_device_id, name);
-	DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid);
+	DEF_FIELD(symval, mei_cl_device_id, uuid);
 	DEF_FIELD(symval, mei_cl_device_id, version);
 
 	sprintf(alias, MEI_CL_MODULE_PREFIX);
 	sprintf(alias + strlen(alias), "%s:",  (*name)[0]  ? *name : "*");
-	add_uuid(alias, *uuid);
+	sprintf(alias + strlen(alias), "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+		uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0],
+		uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6],
+		uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11],
+		uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]);
 	ADD(alias, ":", version != MEI_CL_VERSION_ANY, version);
 
 	strcat(alias, ":*");
-- 
2.28.0


             reply	other threads:[~2020-10-30 18:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-30 18:49 Andy Shevchenko [this message]
2020-10-30 18:49 ` [PATCH v2 2/2] uuid: Make guid_t completely internal type to the kernel Andy Shevchenko
2020-11-16 11:40   ` Andy Shevchenko
2020-11-24 13:39   ` Christoph Hellwig
2020-11-24 14:07     ` Andy Shevchenko
2020-11-24 14:38       ` Christoph Hellwig

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201030184950.26732-1-andriy.shevchenko@linux.intel.com \
    --to=andriy.shevchenko@linux.intel.com \
    --cc=hch@lst.de \
    --cc=linux-kbuild@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=masahiroy@kernel.org \
    --cc=michal.lkml@markovi.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.