lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 6 Dec 2020 09:31:01 +0100 From: Greg KH <gregkh@...uxfoundation.org> To: Levi Yun <ppbuk5246@...il.com> Cc: akpm@...ux-foundation.org, yury.norov@...il.com, andriy.shevchenko@...ux.intel.com, richard.weiyang@...ux.alibaba.com, christian.brauner@...ntu.com, arnd@...db.de, jpoimboe@...hat.com, changbin.du@...el.com, rdunlap@...radead.org, masahiroy@...nel.org, peterz@...radead.org, peter.enderborg@...y.com, krzk@...nel.org, brendanhiggins@...gle.com, keescook@...omium.org, broonie@...nel.org, matti.vaittinen@...rohmeurope.com, mhiramat@...nel.org, jpa@....mail.kapsi.fi, nivedita@...m.mit.edu, glider@...gle.com, orson.zhai@...soc.com, takahiro.akashi@...aro.org, clm@...com, josef@...icpanda.com, dsterba@...e.com, dushistov@...l.ru, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, linux-btrfs@...r.kernel.org Subject: Re: [PATCH v2 1/8] lib/find_bit.c: Add find_last_zero_bit On Sun, Dec 06, 2020 at 03:46:24PM +0900, Levi Yun wrote: > Inspired find_next_*_bit and find_last_bit, add find_last_zero_bit > And add le support about find_last_bit and find_last_zero_bit. > > Signed-off-by: Levi Yun <ppbuk5246@...il.com> > --- > lib/find_bit.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 62 insertions(+), 2 deletions(-) > > diff --git a/lib/find_bit.c b/lib/find_bit.c > index 4a8751010d59..f9dda2bf7fa9 100644 > --- a/lib/find_bit.c > +++ b/lib/find_bit.c > @@ -90,7 +90,7 @@ unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, > EXPORT_SYMBOL(find_next_zero_bit); > #endif > > -#if !defined(find_next_and_bit) > +#ifndef find_next_and_bit > unsigned long find_next_and_bit(const unsigned long *addr1, > const unsigned long *addr2, unsigned long size, > unsigned long offset) > @@ -141,7 +141,7 @@ unsigned long find_last_bit(const unsigned long *addr, unsigned long size) > { > if (size) { > unsigned long val = BITMAP_LAST_WORD_MASK(size); > - unsigned long idx = (size-1) / BITS_PER_LONG; > + unsigned long idx = (size - 1) / BITS_PER_LONG; > > do { > val &= addr[idx]; This, and the change above this, are not related to this patch so you might not want to include them. Also, why is this patch series even needed? I don't see a justification for it anywhere, only "what" this patch is, not "why". thanks greg k-h
Powered by blists - more mailing lists