Re: [PATCH RESEND 0/5] bitmap: cleanup bitmaps printing

[Madhavan Srinivasan]

On 4/2/26 6:27 AM, Yury Norov wrote:
> On Thu, Mar 19, 2026 at 04:18:40PM -0400, Yury Norov wrote:
> > Ping?
> OK, taking 1-4 in bitmap-for-next.

Acked-by: Madhavan Srinivasan <maddy@xxxxxxxxxxxxx> for powerpc patch


> Thanks,
> Yury
>   
> > On Tue, Mar 03, 2026 at 03:08:36PM -0500, Yury Norov wrote:
> > > Bitmap API has a bitmap_print_to_pagebuf() function that is intended to
> > > print bitmap into a human readable format, making sure that the output
> > > string will not get big enough to cross the current page limit.
> > >
> > > Some drivers use this function immediately before passing the result to
> > > scnprintf() with no modification. This is useless because scnprintf(),
> > > and helpers based on it like seq_pritf() and sysfs_emit(), take care of
> > > not overflowing the buffer by itself, and perfectly print bitmaps with
> > > "%*pb[l]".
> > >
> > > This is a resend of non-networking part of [1]. Patches #3,5 switch from
> > > plain scnprintf() to sysfs_emit(), as pointed out by Thomas Weißschuh.
> > >
> > > [1] https://lore.kernel.org/all/20260219181407.290201-1-ynorov@xxxxxxxxxx/
> > >
> > > The networking part, for reference:
> > >
> > > https://lore.kernel.org/all/20260303185507.111841-1-ynorov@xxxxxxxxxx/
> > >
> > > Each patch can be applied individually per corresponding subsystem.
> > >
> > > Yury Norov (5):
> > >    powerpc/xive: simplify xive_spapr_debug_show()
> > >    thermal: intel: switch cpumask_get() to using
> > >      cpumask_print_to_pagebuf()
> > >    coresight: don't use bitmap_print_to_pagebuf()
> > >    lib/prime_numbers: drop temporary buffer in dump_primes()
> > >    fpga: m10bmc-sec: switch show_canceled_csk() to using sysfs_emit()
> > >
> > >   arch/powerpc/sysdev/xive/spapr.c              | 12 ++-----
> > >   drivers/fpga/intel-m10-bmc-sec-update.c       |  3 +-
> > >   .../hwtracing/coresight/coresight-cti-sysfs.c | 32 ++++++++-----------
> > >   drivers/thermal/intel/intel_powerclamp.c      |  3 +-
> > >   lib/math/tests/prime_numbers_kunit.c          |  6 ++--
> > >   5 files changed, 21 insertions(+), 35 deletions(-)
> > >
> > > --
> > > 2.43.0