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Commit e8a7ba5f authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Linus Torvalds
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lib/vsprintf: Move integer format types to the top 



Move the format types for 64-bit integers and configurable size integers
to the top, so they're next to the other integer format types.  While at
it, add the missing format types for s32 and u32.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7330660e

Documentation/printk-formats.txt

+15 −17
Original line number Diff line number Diff line
@@ -8,6 +8,21 @@ If variable is of Type, use printk format specifier: 
		unsigned long long	%llu or %llx

		size_t			%zu or %zx

		ssize_t			%zd or %zx

		s32			%d or %x

		u32			%u or %x

		s64			%lld or %llx

		u64			%llu or %llx



If <type> is dependent on a config option for its size (e.g., sector_t,

blkcnt_t) or is architecture-dependent for its size (e.g., tcflag_t), use a

format specifier of its largest possible type and explicitly cast to it.

Example:



	printk("test: sector number/total blocks: %llu/%llu\n",

		(unsigned long long)sector, (unsigned long long)blockcount);



Reminder: sizeof() result is of type size_t.





Raw pointer value SHOULD be printed with %p. The kernel supports

the following extended format specifiers for pointer types:
@@ -246,23 +261,6 @@ struct va_format: 


	Passed by reference.



u64 SHOULD be printed with %llu/%llx:



	printk("%llu", u64_var);



s64 SHOULD be printed with %lld/%llx:



	printk("%lld", s64_var);



If <type> is dependent on a config option for its size (e.g., sector_t,

blkcnt_t) or is architecture-dependent for its size (e.g., tcflag_t), use a

format specifier of its largest possible type and explicitly cast to it.

Example:



	printk("test: sector number/total blocks: %llu/%llu\n",

		(unsigned long long)sector, (unsigned long long)blockcount);



Reminder: sizeof() result is of type size_t.



Thank you for your cooperation and attention.