On Mon, 14 Apr 2025 16:55:57 +0200
Uros Bizjak wrote:
> Current minimum required version of binutils is 2.25,
> which supports PAUSE instruction mnemonic.
>
> Replace "REP; NOP" with this proper mnemonic.
>
> No functional change intended.
>
> Signed-off-by: Uros Bizjak
> Cc: Richard Weinberg
From: Richard Henderson
> Sent: 03 October 2024 17:47
>
> On 9/30/24 06:23, Julian Vetter wrote:
> > +void memset_io(volatile void __iomem *dst, int c, size_t count)
> > +{
> > + uintptr_t qc = (u8)c;
>
> Missed one change to 'long'
>
> > +
> > + qc |= qc << 8;
> > + qc |= qc << 16;
> > +
From: Kees Cook
> Sent: 07 February 2024 09:19
>
> On Wed, Feb 07, 2024 at 12:51:51AM +, Justin Stitt wrote:
> > Hi,
> >
> > On Tue, Feb 06, 2024 at 06:22:18AM -0800, Kees Cook wrote:
> > > Similar to strscpy(), update strscpy_pad()'s 3rd argument to be
> > > optional when the destination is a
From: Nadav Amit
> Sent: 04 November 2023 09:41
>
> > On Nov 4, 2023, at 11:34 AM, Anton Ivanov
> > wrote:
> >
> > On 04/11/2023 09:25, Nadav Amit wrote:
> >>
> >> I was reading (again) the x86 C macro of “alternative()” and I was a bit
> >> surprised it does clobber the flags (“cc”) as a precau
From: Linus Torvalds
> Sent: 19 September 2023 18:25
>
> On Tue, 19 Sept 2023 at 06:48, John Paul Adrian Glaubitz
> wrote:
> >
> > As Geert poined out, I'm not seeing anything particular problematic with the
> > architectures lacking CONFIG_PREEMPT at the moment. This seems to be more
> > somethi
From: Jason A. Donenfeld
> Sent: 07 October 2022 19:01
>
> The prandom_u32() function has been a deprecated inline wrapper around
> get_random_u32() for several releases now, and compiles down to the
> exact same code. Replace the deprecated wrapper with a direct call to
> the real function. The s
From: Jason A. Donenfeld
> Sent: 07 October 2022 19:01
>
> Rather than incurring a division or requesting too many random bytes for
> the given range, use the prandom_u32_max() function, which only takes
> the minimum required bytes from the RNG and avoids divisions.
>
...
> --- a/lib/cmdline_kun
From: Jason A. Donenfeld
> Sent: 07 October 2022 18:56
...
> > Given these kinds of less mechanical changes, it may make sense to split
> > these from the "trivial" conversions in a treewide patch. The chance of
> > needing a revert from the simple 1:1 conversions is much lower than the
> > need to
From: Christophe Leroy
> Sent: 06 October 2022 18:43
...
> But taking into account that sp must remain 16 bytes aligned, would it
> be better to do something like ?
>
> sp -= prandom_u32_max(PAGE_SIZE >> 4) << 4;
That makes me think...
If prandom_u32_max() is passed a (constant) power of 2
From: Stafford Horne
> Sent: 19 July 2022 13:24
>
> On Tue, Jul 19, 2022 at 01:55:03PM +0200, Arnd Bergmann wrote:
> > On Tue, Jul 19, 2022 at 12:55 PM Stafford Horne wrote:
> >
> > > diff --git a/drivers/comedi/drivers/comedi_isadma.c
> > > b/drivers/comedi/drivers/comedi_isadma.c
> > > index 7
From: Yu-Jen Chang
> Sent: 01 June 2022 06:59
>
> David Laight 於 2022年5月30日 週一 下午4:10寫道：
> >
> > From: Yu-Jen Chang
> > > Sent: 28 May 2022 09:13
> > >
> > > The original assembly version of memchr() is implemented with
> > > the byte-wi
From: Yu-Jen Chang
> Sent: 28 May 2022 09:13
>
> The original assembly version of memchr() is implemented with
> the byte-wise comparing technique, which does not fully
> use 64-bits registers in x86_64 CPU. We use word-wide
> comparing so that 8 characters can be compared at the same time
> on x8
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