[lkml]   [2019]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v5 11/14] software node: move small properties inline when copying
On Wed, Oct 16, 2019 at 09:01:26AM -0700, Dmitry Torokhov wrote:
> On Wed, Oct 16, 2019 at 10:48:57AM +0300, Andy Shevchenko wrote:
> > On Tue, Oct 15, 2019 at 11:25:53AM -0700, Dmitry Torokhov wrote:

> > You store a value as union, but going to read as a member of union?
> > I'm pretty sure it breaks standard rules.
> No, I move the values _in place_ of the union, and the data is always
> fetched via void pointers. And copying data via char * or memcpy() is
> allowed even in C99 and C11.
> But I am wondering why are we actually worrying about all of this? The
> kernel is gnu89 and I think is going to stay this way because we use
> initializers with a cast in a lot of places:
> #define __RAW_SPIN_LOCK_UNLOCKED(lockname) \
> (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname)
> and C99 and gnu99 do not allow this. See

This is simple not a cast.

With Best Regards,
Andy Shevchenko

 \ /
  Last update: 2019-10-16 18:19    [W:0.078 / U:11.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site