From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 9CEA716B3B8 for ; Wed, 24 Jul 2024 18:51:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721847062; cv=none; b=jqR0iGO0QuOic3lV3ZXEnE3t12MXW/pb0bVFRL4zOzMKM8iWFNB8Nyul5KWsuadYo/83KI/KhQQKXgjbUs6QllRZCZVX6HsLbv92loZnWCsGkK84LPicJX2RvPRzmRUztRC5UVo4V2TJwb3iH2kv6vbIjppQ824GEHBHy49d84E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721847062; c=relaxed/simple; bh=l8wduYcpsiQ6bbIHExqPJcHCdUmL4T4BA9s89Zq1aBU=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=uR9m/qj2pNEBuvUtTfVx4lXvPXtLpxZMMmula3KNaPFZyUVp7DgPaHaEjsjV89QklMBo+0n6Cd3Lu50+TU6+FJ1wC7NmNssQHnVlI7+spMYYuEWg7aWXe7lYuEFMUFCc9fDd41yr+irGpNxtyQ25R1jgKX0Rb2CudDLX5MsYtFU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dRr/9rQP; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dRr/9rQP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721847061; x=1753383061; h=date:message-id:from:to:cc:subject:in-reply-to: references:mime-version; bh=l8wduYcpsiQ6bbIHExqPJcHCdUmL4T4BA9s89Zq1aBU=; b=dRr/9rQPSc/PP0jmqdHFw0MWvNqhxy5SK4chgrDckUvUHtByblIR02Hq BOGMGVLprXavxLIwHZal78umZFexrNfx4YNQS6CJcmAZgKmH4FapHxfrY Vg49nsuwKtcPw/8ipJV9GM/j459HSuqbiaDZJXle4jy8xH5OZmoTFKDpc TKT6tWdHIz9ZgAOkQL36HUY2PqVImZeuk3iNo2sqigK4zdpvRQ4g0K2FY ZXIDj6A79Dx1dQoXosSrmYACDr3yNuHebPdvdmFZCxcBK1arwJG0vbyVN /sfE5IwLbkY739+vSmNyT87dNRuuPuLFQGoXgfK3htKMyxJJ3fpEDqVbi g==; X-CSE-ConnectionGUID: rOw87nJsTvSUVKYt0eFlaQ== X-CSE-MsgGUID: kqnQU63xSUScEANvbRdMVg== X-IronPort-AV: E=McAfee;i="6700,10204,11143"; a="23357737" X-IronPort-AV: E=Sophos;i="6.09,233,1716274800"; d="scan'208";a="23357737" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2024 11:51:00 -0700 X-CSE-ConnectionGUID: Bi1gjlNhQWCT2sK+nFJVdA== X-CSE-MsgGUID: 2zmVMigzT2ejI97PNNfeow== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,233,1716274800"; d="scan'208";a="53448633" Received: from trevorsx-mobl1.amr.corp.intel.com (HELO adixit-arch.intel.com) ([10.125.177.104]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2024 11:51:00 -0700 Date: Wed, 24 Jul 2024 11:44:06 -0700 Message-ID: <878qxqhbpl.wl-ashutosh.dixit@intel.com> From: "Dixit, Ashutosh" To: Thorsten Blum Cc: lucas.demarchi@intel.com, thomas.hellstrom@linux.intel.com, rodrigo.vivi@intel.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm/xe/oa: Use vma_pages() helper function in xe_oa_mmap() In-Reply-To: <20240724181826.3163-2-thorsten.blum@toblux.com> References: <20240724181826.3163-2-thorsten.blum@toblux.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.4 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII On Wed, 24 Jul 2024 11:18:27 -0700, Thorsten Blum wrote: > > Use the vma_pages() helper function and remove the following > Coccinelle/coccicheck warning reported by vma_pages.cocci: > > WARNING: Consider using vma_pages helper on vma Reviewed-by: Ashutosh Dixit > > Signed-off-by: Thorsten Blum > --- > drivers/gpu/drm/xe/xe_oa.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/xe/xe_oa.c b/drivers/gpu/drm/xe/xe_oa.c > index 6d69f751bf78..133292a9d687 100644 > --- a/drivers/gpu/drm/xe/xe_oa.c > +++ b/drivers/gpu/drm/xe/xe_oa.c > @@ -1244,8 +1244,7 @@ static int xe_oa_mmap(struct file *file, struct vm_area_struct *vma) > vm_flags_mod(vma, VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | VM_DONTCOPY, > VM_MAYWRITE | VM_MAYEXEC); > > - xe_assert(stream->oa->xe, bo->ttm.ttm->num_pages == > - (vma->vm_end - vma->vm_start) >> PAGE_SHIFT); > + xe_assert(stream->oa->xe, bo->ttm.ttm->num_pages == vma_pages(vma)); > for (i = 0; i < bo->ttm.ttm->num_pages; i++) { > ret = remap_pfn_range(vma, start, page_to_pfn(bo->ttm.ttm->pages[i]), > PAGE_SIZE, vma->vm_page_prot); > -- > 2.45.2 >