Re: [cfe-users] [PATCH v6] cacheflush.2: Document __builtin___clear_cache() as a more portable alternative

2020-12-21 Thread Michael Kerrisk (man-pages) via cfe-users
On 12/15/20 2:30 PM, Alejandro Colomar wrote: > Reported-by: Heinrich Schuchardt > Signed-off-by: Alejandro Colomar > Cc: Martin Sebor > Cc: Dave Martin > --- > > v6: > - GCC has always exposed 'void *', as Martin Sebor noted. > It's Clang (and maybe others) that (following GCC's docs) > e

Re: [cfe-users] RFC v2: Re: cacheflush.2

2020-12-11 Thread Michael Kerrisk (man-pages) via cfe-users
i Alex, On 12/10/20 9:56 PM, Alejandro Colomar (man-pages) wrote: > Hi all, > > v2: > > [ > NOTES >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 pr