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| author | Kees Cook <keescook@chromium.org> | 2019-09-26 01:48:04 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-26 02:51:40 +0200 |
| commit | d4bce140b4e739bceb4e239d4842cf8f346c1e0f (patch) | |
| tree | 7b9df32d1c5e38e3578a58336a26f533e0428352 /include/asm-generic/bug.h | |
| parent | bug: lift "cut here" out of __warn() (diff) | |
| download | linux-d4bce140b4e739bceb4e239d4842cf8f346c1e0f.tar.xz linux-d4bce140b4e739bceb4e239d4842cf8f346c1e0f.zip | |
bug: clean up helper macros to remove __WARN_TAINT()
In preparation for cleaning up "cut here" even more, this removes the
__WARN_*TAINT() helpers, as they limit the ability to add new BUGFLAG_*
flags to call sites. They are removed by expanding them into full
__WARN_FLAGS() calls.
Link: http://lkml.kernel.org/r/20190819234111.9019-6-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Drew Davenport <ddavenport@chromium.org>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Cc: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-generic/bug.h')
| -rw-r--r-- | include/asm-generic/bug.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 598d7072602f..4b18e09094cf 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -62,13 +62,11 @@ struct bug_entry { #endif #ifdef __WARN_FLAGS -#define __WARN_TAINT(taint) __WARN_FLAGS(BUGFLAG_TAINT(taint)) -#define __WARN_ONCE_TAINT(taint) __WARN_FLAGS(BUGFLAG_ONCE|BUGFLAG_TAINT(taint)) - #define WARN_ON_ONCE(condition) ({ \ int __ret_warn_on = !!(condition); \ if (unlikely(__ret_warn_on)) \ - __WARN_ONCE_TAINT(TAINT_WARN); \ + __WARN_FLAGS(BUGFLAG_ONCE | \ + BUGFLAG_TAINT(TAINT_WARN)); \ unlikely(__ret_warn_on); \ }) #endif @@ -89,7 +87,7 @@ struct bug_entry { * * Use the versions with printk format strings to provide better diagnostics. */ -#ifndef __WARN_TAINT +#ifndef __WARN_FLAGS extern __printf(4, 5) void warn_slowpath_fmt(const char *file, const int line, unsigned taint, const char *fmt, ...); @@ -99,11 +97,14 @@ void warn_slowpath_fmt(const char *file, const int line, unsigned taint, warn_slowpath_fmt(__FILE__, __LINE__, taint, arg) #else extern __printf(1, 2) void __warn_printk(const char *fmt, ...); -#define __WARN() do { \ - printk(KERN_WARNING CUT_HERE); __WARN_TAINT(TAINT_WARN); \ -} while (0) -#define __WARN_printf(taint, arg...) \ - do { __warn_printk(arg); __WARN_TAINT(taint); } while (0) +#define __WARN() do { \ + printk(KERN_WARNING CUT_HERE); \ + __WARN_FLAGS(BUGFLAG_TAINT(TAINT_WARN)); \ + } while (0) +#define __WARN_printf(taint, arg...) do { \ + __warn_printk(arg); \ + __WARN_FLAGS(BUGFLAG_TAINT(taint)); \ + } while (0) #endif /* used internally by panic.c */ |