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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=s96tbUHAJa/3W+S33QuecksVNxzPE4B+rwrtGBTPIRg=; b=S6cDWrtSi/b4I6AnHUWMRbq662m4sm44jGqTDUqnRDVN4zdtiJIPz4Mz8u4P89yg/q VveSNj8/LKkbOGFAbxC0w9Ylr7lKUj2TqxIdbmCRXqondijiHCGo0fQvGzdwd4IL+amW M9738rU/p4ip6JytL4lpIPyoXEprNstMjMtsPY9WqiaMAJdFg+sBHLi/S4kZd/KAY0EF NypFe4G2y4RUqasj3iImTaWrFrbj8G87PCq0qm1PpIjiYyRvaE6lcIs7+F4Y8jZ9DZf+ CQ521zl5KYtKituqjFJrtA5ekcXc8pZOA0WWS4/R4QAXFopSJ2SRN3ANHKX9ZqkBwoD9 NjMQ== X-Gm-Message-State: APjAAAXGijB9lNdGlLG3YhCa7sPnoxEFJOj/fdcJcod+Vm2g5cb0mN/f HGkS7ItSKd71U4ODGol3hgdFt1P+iapVvirWIkmIXgTLUnk= X-Google-Smtp-Source: APXvYqxCr99MNxoD8F3ipCKfGH5Ic+wArEB2kJiBZjN+Ft8BlSUogLYhlY5cWCf0y3NDyGKfQgFMQFiKtGoY4M7YZGQ= X-Received: by 2002:a63:c442:: with SMTP id m2mr41068862pgg.286.1563363858315; Wed, 17 Jul 2019 04:44:18 -0700 (PDT) MIME-Version: 1.0 References: <20190624174015.GL29120@arrakis.emea.arm.com> <20190715180510.GC4970@ziepe.ca> <20190716120624.GA29727@ziepe.ca> In-Reply-To: <20190716120624.GA29727@ziepe.ca> From: Andrey Konovalov Date: Wed, 17 Jul 2019 13:44:07 +0200 Message-ID: Subject: Re: [PATCH v18 11/15] IB/mlx4: untag user pointers in mlx4_get_umem_mr To: Jason Gunthorpe X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190717_044419_541168_D125B00C X-CRM114-Status: GOOD ( 21.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , kvm@vger.kernel.org, Szabolcs Nagy , Catalin Marinas , Will Deacon , dri-devel@lists.freedesktop.org, Linux Memory Management List , Khalid Aziz , "open list:KERNEL SELFTEST FRAMEWORK" , Felix Kuehling , Vincenzo Frascino , Jacob Bramley , Leon Romanovsky , linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Dmitry Vyukov , Dave Martin , Evgeniy Stepanov , linux-media@vger.kernel.org, Kevin Brodsky , Kees Cook , Ruben Ayrapetyan , Ramana Radhakrishnan , Alex Williamson , Mauro Carvalho Chehab , Linux ARM , Kostya Serebryany , Greg Kroah-Hartman , Yishai Hadas , LKML , Jens Wiklander , Lee Smith , Alexander Deucher , Andrew Morton , enh , Robin Murphy , Christian Koenig , Luc Van Oostenryck Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jul 16, 2019 at 2:06 PM Jason Gunthorpe wrote: > > On Tue, Jul 16, 2019 at 12:42:07PM +0200, Andrey Konovalov wrote: > > On Mon, Jul 15, 2019 at 8:05 PM Jason Gunthorpe wrote: > > > > > > On Mon, Jul 15, 2019 at 06:01:29PM +0200, Andrey Konovalov wrote: > > > > On Mon, Jun 24, 2019 at 7:40 PM Catalin Marinas wrote: > > > > > > > > > > On Mon, Jun 24, 2019 at 04:32:56PM +0200, Andrey Konovalov wrote: > > > > > > This patch is a part of a series that extends kernel ABI to allow to pass > > > > > > tagged user pointers (with the top byte set to something else other than > > > > > > 0x00) as syscall arguments. > > > > > > > > > > > > mlx4_get_umem_mr() uses provided user pointers for vma lookups, which can > > > > > > only by done with untagged pointers. > > > > > > > > > > > > Untag user pointers in this function. > > > > > > > > > > > > Signed-off-by: Andrey Konovalov > > > > > > drivers/infiniband/hw/mlx4/mr.c | 7 ++++--- > > > > > > 1 file changed, 4 insertions(+), 3 deletions(-) > > > > > > > > > > Acked-by: Catalin Marinas > > > > > > > > > > This patch also needs an ack from the infiniband maintainers (Jason). > > > > > > > > Hi Jason, > > > > > > > > Could you take a look and give your acked-by? > > > > > > Oh, I think I did this a long time ago. Still looks OK. > > > > Hm, maybe that was we who lost it. Thanks! > > > > > You will send it? > > > > I will resend the patchset once the merge window is closed, if that's > > what you mean. > > No.. I mean who send it to Linus's tree? ie do you want me to take > this patch into rdma? I think the plan was to merge the whole series through the mm tree. But I don't mind if you want to take this patch into your tree. It's just that this patch doesn't make much sense without the rest of the series. > > Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel