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McKenney" , Boqun Feng , Andy Lutomirski , Dave Watson , Linux Kernel Mailing List , Linux API , Paul Turner , Andrew Morton , Russell King , Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , Andrew Hunter , Andi Kleen , Chris Lameter , Ben Maurer , Steven Rostedt , Josh Triplett , Catalin Marinas , Will Deacon , Michael Kerrisk Subject: Re: [RFC PATCH for 4.18 12/23] cpu_opv: Provide cpu_opv system call (v7) Message-ID: <20180412202302.xnw5jdl3upl46ywt@two.firstfloor.org> References: <20180412192800.15708-1-mathieu.desnoyers@efficios.com> <20180412192800.15708-13-mathieu.desnoyers@efficios.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-api-owner@vger.kernel.org X-Mailing-List: linux-api@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: > Can we plan on merging just the plain rseq parts *without* this all > first, and then see the cpu_opv thing as a "maybe future expansion" > part. That would be the right way to go. I doubt anybody really needs cpu_opv. We already have other code (e.g. vgettimeofday) which cannot be single stepped, and so far it never was a problem. -Andi