From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0B801B423B; Sun, 28 Sep 2025 11:58:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759060724; cv=none; b=HYanwMMI7CKkx44ebsnMX+p4vUIVMn839imzl0x/IoJkVz56jaCg4EfRHbNGQsYi2oA4cLvgSSznBLOEBf+jAYVsr9UaiS98HSG9RdenIcr3W7pZAp2ILMzS47Sjn2mtPjxj3zXhFFzSMoTmDicvHVrptVeNAA5fd9My+LwHELE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759060724; c=relaxed/simple; bh=ckjBiIEK8WR9Yy3qbX0tVHWjgl/Q5LNywAArQuLUpqI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=W4HcHOmeLPbMnXnvVuTG9SIKlZ1KFpkEEWnjuZ/kJXMJFdPfrw1TEpyerhyBl8a5I31uuCHF/FHihFdRULcl3bQXGVJI35eguhMbCKqqf6sGKnhu2AwlgUl7hF5ELlee8ek2h0XLPp6XyaEA7Sv6gtLlE55r/pSZS+2Tu5faisk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=U3I0kHgX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="U3I0kHgX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80A70C4CEF0; Sun, 28 Sep 2025 11:58:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759060724; bh=ckjBiIEK8WR9Yy3qbX0tVHWjgl/Q5LNywAArQuLUpqI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=U3I0kHgXcdhzV3J3cNm+QKWfB7QdY/mTy0ouL3HOv+J3sqJIvuS62SQl+z8PL8YWd qfUAdkBs6D1YVhXVJ6bRrI78Xzyj0CsANEvMURlDviJn8dx5FGPrwxmhdVbcvknSpY WdO4NFZz1RZzNrsKib9CkR4lkxgnoFLn75s77V+99fxEfk9i3VsSTBqugUgy80mDqz s7XhyMEqmiXf1xj53ZxtEanbtM7nq83+tdm/Us5QkUfCxJcUjJXNQqj0gYs2gvwuDO 7AiJl/EpeN0s5CHrA/1lJBsV9nH+GOe/f6lIQ8rlBPFFhXVhSL5WKAz8toK1YCzvbK VIIytYUCCbdng== Date: Sun, 28 Sep 2025 14:58:38 +0300 From: Leon Romanovsky To: Magnus Lindholm Cc: Jason Gunthorpe , Marek Szyprowski , Andreas Larsson , Borislav Petkov , Dave Hansen , "David S. Miller" , Geoff Levand , Helge Deller , Ingo Molnar , iommu@lists.linux.dev, "James E.J. Bottomley" , Jason Wang , Juergen Gross , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Madhavan Srinivasan , Matt Turner , Michael Ellerman , "Michael S. Tsirkin" , Richard Henderson , sparclinux@vger.kernel.org, Stefano Stabellini , Thomas Bogendoerfer , Thomas Gleixner , virtualization@lists.linux.dev, x86@kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH 1/9] alpha: Convert mapping routine to rely on physical address Message-ID: <20250928115838.GF12165@unreal> References: <0c64474985af55b1aa934b857808068a0e609c6e.1758219787.git.leon@kernel.org> <20250923171819.GM10800@unreal> <20250923235318.GD2617119@nvidia.com> <20250928105413.GE12165@unreal> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Sep 28, 2025 at 01:27:12PM +0200, Magnus Lindholm wrote: > > Thanks for the effort. > > > > Can you please check the following change instead of reverting the patches? > > > > No problem, happy to assist. I think this did the trick! preliminary > testing shows > that this now works on alpha! I guess the offset information in paddr was lost > by doing "paddr &= PAGE_MASK" before retrieving the offset, well spotted! > > I'll keep running the system with some load to make sure there is nothing else > we haven't spotted yet, but so far so good. I'll keep you posted. > > Will you be putting out a v2 of this patchset with these updates? Yes, will try to send today. Thanks again for your help. > > Regards > > Magnus Lindholm