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Tsirkin" Cc: Miguel Ojeda , Nick Desaulniers , LKML , Jason Wang , Alan Stern , Andrea Parri , Will Deacon , Peter Zijlstra , Boqun Feng , Nicholas Piggin , David Howells , Jade Alglave , Luc Maranget , "Paul E. McKenney" , Akira Yokosawa , Daniel Lustig , linux-arch@vger.kernel.org, Network Development , virtualization@lists.linux-foundation.org, Eli Friedman , Joe Perches , Linus Torvalds , Luc Van Oostenryck , linux-sparse@vger.kernel.org, Eric Christopher Subject: Re: [PATCH RFC 1/4] include/linux/compiler*.h: fix OPTIMIZER_HIDE_VAR Message-ID: <20190110134139.GE1743@kadam> References: <20190102205715.14054-1-mst@redhat.com> <20190102205715.14054-2-mst@redhat.com> <20190109213543-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190109213543-mutt-send-email-mst@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9131 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=774 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1901100109 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 09, 2019 at 09:36:41PM -0500, Michael S. Tsirkin wrote: > On Wed, Jan 09, 2019 at 11:35:52AM +0100, Miguel Ojeda wrote: > > On Tue, Jan 8, 2019 at 6:44 PM Nick Desaulniers wrote: > > > > > > Also for more context, see: > > > commit 7829fb09a2b4 ("lib: make memzero_explicit more robust against > > > dead store elimination") > > > > By the way, shouldn't that barrier_data() be directly in compiler.h > > too, since it is for both gcc & clang? > > > > > Reviewed-by: Nick Desaulniers > > > > > > + Miguel > > > Miguel, would you mind taking this into your compiler-attributes tree? > > > > Sure, at least we get quickly some linux-next time. > > > BTW why linux-next? shouldn't this go into 5.0 and stable? It's a bugfix after all. > It doesn't hurt to put things in linux-next for a week and then 5.0 and -stable. Not a lot of testing happens on linux-next, but some does. regards, dan carpenter