From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 0CAB51DB551; Tue, 16 Jun 2026 14:01:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781618470; cv=none; b=S9O3N368NaORa/9lW3bC/YCvIIw9wbaDlx5P7U4iSFphN5ZlawD4uqnITSpPzOtSZhU0IgTGJu9zQVkVVy3wuI8KOmtRQFKekGE9wlnhsQmvrDWnsZUo5GQInFxPWuW0+dCIns+1DZzZzWgtNTAODpuKY975fldqLT3kajIe5KU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781618470; c=relaxed/simple; bh=jwx+Kmi1XkRBAwNb1CxSJvpJZDy/GvLCwrZg9PMh+lA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=I0CIJgrHfWtdOIpp2h8GvUu1W2DZTeA8xJB0CScyH1pxOhC4p+kSn20ANSccmHft9aiU/r7mQOqvuMGFOU7kVwB7QQsCWJ2SOD0tdmCSbW8gwcp766y8txYTiMbHff/fqfCfopIdTzpvtpUNObNDmIFqUQ/pAf/gZi1162utj6Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jxloronq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jxloronq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5094B1F000E9; Tue, 16 Jun 2026 14:01:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781618469; bh=KFQknz3tFr1WEkukr5Gu3HZetcXLfJGHQ3VjUUoFDY0=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=jxloronqDVtw93IKdhU+pyV1BgegpalXKOpRJjT+7jFz0y1coIELcUXjqUP581tr3 OwhayYh4OSHn4cSwRTreh97Bsk0pl9Tl7fO7rt44ADudoFLAWOynwbfSYvK05/bITX aobNGPZ68CMQMzyA6GLj+gr32PVpjq08nya0Im8v6rcgprnC6/QZHIcPD1k1amhRAv /2Xui+xA3WWJrTYal01iMaeZ93eFBqcV9qI+k9yyIRktGM/gcm1o0UF6dmPlA6anzb wPxm3EdgggvemK1/ih8fVAKyBN8vOWtOPZY6A2TBib1T5ofQeGK2e58/WuXkLnjmOv XFM/33EVi0V1Q== Message-ID: <7e0b3775-3e22-4c43-828d-6bde2fd165d5@kernel.org> Date: Tue, 16 Jun 2026 16:01:06 +0200 Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: linux-next: build failure after merge of the drm tree Content-Language: en-US To: Mark Brown , Dave Airlie , DRI , Christoph Hellwig , Steven Price , Liviu Dudau Cc: Linux Kernel Mailing List , Linux Next Mailing List References: From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/16/26 15:14, Mark Brown wrote: > Hi all, > > After merging the drm tree, today's linux-next build (x86_64 allmodconfig) > failed like this: > > /tmp/next/build/drivers/gpu/drm/panthor/panthor_mmu.c:1251:6: error: unused variable 'ret' [-Werror,-Wunused-variable] > 1251 | int ret; > | ^~~ > > Caused by commit > > 6bb0009862c5f (mm/slab: improve kmem_cache_alloc_bulk) > > interacting with changes in the drm tree. I have applied the fixup > below and can carry as needed. Initially there was a conflict between drm and slab and your resolution removed that line: https://lore.kernel.org/all/ahoZ7OCzxTAbGMtO@sirena.org.uk/ I think nothing has changed except that the slab part was merged to mainline since. Maybe that changed the ordering of the two trees and you had to redo the conflict resolution? > diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/panthor/panthor_mmu.c > index 3151de6aa1bae..10e32fe26f7e4 100644 > --- a/drivers/gpu/drm/panthor/panthor_mmu.c > +++ b/drivers/gpu/drm/panthor/panthor_mmu.c > @@ -1248,7 +1248,6 @@ static int panthor_vm_op_ctx_prealloc_pts(struct panthor_vm_op_ctx *op_ctx) > { > u64 size = op_ctx->va.range; > u64 va = op_ctx->va.addr; > - int ret; > > /* L1, L2 and L3 page tables. > * We could optimize L3 allocation by iterating over the sgt and merging