[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCHv4 4/8] arm: provide add_sized()

At 14:49 +0100 on 05 May (1430837355), Ian Campbell wrote:
> On Thu, 2015-04-30 at 16:33 +0100, David Vrabel wrote:
> > add_sized(ptr, inc) adds inc to the value at ptr using only the correct
> > size of loads and stores for the type of *ptr.  The add is /not/ atomic.
> atomic.h is an odd place for it then ;-)

The reads and writes _are_ atomic, though.  It's just that the whole
r/m/w is not.


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.