[cfe-users] RFC v2: Re: cacheflush.2
Alejandro Colomar (man-pages) via cfe-users
cfe-users at lists.llvm.org
Fri Dec 11 10:02:19 PST 2020
On 12/11/20 9:15 AM, Michael Kerrisk (man-pages) wrote:
> i Alex,
> On 12/10/20 9:56 PM, Alejandro Colomar (man-pages) wrote:
>> Hi all,
>> Unless you need the finer grained control that this system
>> call provides, you probably want to use the GCC built-in
>> function __builtin___clear_cache(), which provides a more
>> portable interface:
>> void __builtin___clear_cache(void *begin, void *end);
> This seems a reasonable text to me, but I think it would be helpful
> to say a little more precisely what kind of portability we are
> talking about here.
> Greater ortability across Linux architectures? Greater portability
> across platforms supported by GCC (including non-Linux) platforms?
> Something else?
'... which provides a portable interface across platforms supported by
GCC:' sounds good.
Maybe GCC devs have something more to add.
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
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