From: Christoph Hellwig Date: Fri, 30 Oct 2020 07:25:08 +0000 Subject: Re: [patch V2 00/18] mm/highmem: Preemptible variant of kmap_atomic & friends Message-Id: <20201030072508.GA18471@lst.de> List-Id: References: <20201029221806.189523375@linutronix.de> In-Reply-To: <20201029221806.189523375@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Thomas Gleixner Cc: LKML , linux-arch@vger.kernel.org, Linus Torvalds , Peter Zijlstra , Paul McKenney , David Airlie , Daniel Vetter , Ard Biesheuvel , Herbert Xu , Christoph Hellwig , Sebastian Andrzej Siewior , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Andrew Morton , linux-mm@kvack.org, x86@kernel.org, Vineet Gupta , linux-snps-arc@lists.infradead.org, Russell King , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, Guo Ren , linux-csky@vger.kernel.org, Michal Simek , Thomas Bogendoerfer , linux-mips@vger.kernel.org, Nick Hu , Greentime Hu , Vincent Chen , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , sparclinux@vger.kernel.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org On Thu, Oct 29, 2020 at 11:18:06PM +0100, Thomas Gleixner wrote: > This is achieved by: ... > > - Consolidating all kmap atomic implementations in generic code ... > Though I wanted to share the current state of affairs before investigating > that further. If there is consensus in going forward with this, I'll have a > deeper look into this issue. I think the consolidation is a winner no matter where we go next. Maybe split it out in a prep series so we can get it in ASAP?