powerpc/cacheinfo: Use cpumap_print to print cpumap

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Tejun Heo had modified shared_cpu_map_show() to use scnprintf instead
of cpumap_print during support for *pb[l] format. Refer commit
0c118b7bd0 ("powerpc: use %*pb[l] to print bitmaps including
cpumasks and nodemasks").

cpumap_print_to_pagebuf() is a standard function to print cpumap. With
commit 9cf79d115f ("bitmap: remove explicit newline handling using
scnprintf format string"), there is no need to print explicit newline
and trailing null character. cpumap_print_to_pagebuf() internally uses
scnprintf(). Hence replace scnprintf() with cpumap_print_to_pagebuf().

Note: shared_cpu_map_show() in drivers/base/cacheinfo.c already uses
cpumap_print_to_pagebuf().

Before this patch:
  # cat /sys/devices/system/cpu0/cache/index1/shared_cpu_map
  00ff

  #

(Notice the extra blank line).

After this patch:
  # cat /sys/devices/system/cpu0/cache/index1/shared_cpu_map
  00ff
  #

Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200629103703.4538-2-srikar@linux.vnet.ibm.com

...

This commit is contained in:

Srikar Dronamraju 2020-06-29 16:07:01 +05:30 • committed by Michael Ellerman

parent 87db7579eb

commit 5658cf085b

1 changed files with 2 additions and 6 deletions

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arch/powerpc/kernel/cacheinfo.c

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