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

Yury Norov
2026-04-02T00:59:22Z

On Thu, Mar 19, 2026 at 04:18:40PM -0400, Yury Norov wrote:
> Ping?

OK, taking 1-4 in bitmap-for-next.

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@nvidia.com/
> >
> > The networking part, for reference:
> >
> > https://lore.kernel.org/all/20260303185507.111841-1-ynorov@nvidia.com/
> >
> > 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