On 12.12.23 09:52, [email protected] wrote:
From: Lukas Funke <[email protected]>
Add '%*pb[l]' printf format specifier as descriped in [1].
[1] https://www.kernel.org/doc/Documentation/printk-formats.txt
Signed-off-by: Lukas Funke <[email protected]>
---
(no changes since v1)
doc/develop/printf.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/doc/develop/printf.rst b/doc/develop/printf.rst
index 99d05061b1..c3537b1796 100644
--- a/doc/develop/printf.rst
+++ b/doc/develop/printf.rst
@@ -165,6 +165,12 @@ Pointers
* phys_size_t
* resource_size_t
+%*pb, %*pbl
+ prints bitmap and its derivatives such as cpumask and nodemask.
+ '%*pb' outputs the bitmap with field width as the number of bits
+ and '%*pbl' outputs the bitmap as range list with field width as
+ the number of bits.
This looks like '*' has to added as character. I would leave it away as
you can always have %<width>.<precision><format specifier>. '*' is only
needed if you want to path the width as extra parameter.
With the given description I would not have expected an output like
'2,5-6' for the number 0x64. Please, add separate entries for %pb and
%pbl and provide examples.
=> setexpr a fmt '%320pb' 100; echo $a
0000555a,00000000,00000000,00000000,00000000,00000080,00007fff,f0094f48,00000000,00000064
=> setexpr a fmt '%3200pb' 100; echo $a
`%3200pb': invalid format
0000555a,00000000,00000000,00000000,00000000,00000080,00007fff,f0094f48,00000000,00000064
Nothing in the documentation makes me assume that width 320 should work
and 3200 should not.
Best regards
Heinrich
+
%pD
prints a UEFI device path
