From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 9EC5133D4E2; Wed, 2 Sep 2026 04:56:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788324970; cv=none; b=KBsLk1hluYtEHI0omczjrqE363R0L2WUfMeC1w/5NyEV18FNfKhu/BT6Kge4kD+PFfw1hn283bK3J5rnEnhp616JgaB4BxV6BTLfxmi5sTVRjgWYvzx1mKR5KLlYy57+frqNbsXgRAIiHTtxhgm+AB5DGDJ7sUrNGwUcgfMXyEw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788324970; c=relaxed/simple; bh=RON1FVMyUgpyG+Se/itPQEfAd5JBmKz0sYokSRkzuhg=; h=Date:From:To:Cc:Subject:Message-ID; b=qQLrX5kpjxyHFfHXeCExGmzIDLZzw7qlMqkjzVExI0F6msUsxqCPvWVlhq3ZQgF+JwNnswOiMKyD1IBGToFIcJm0p+afsKlo5lmNsbr04W3FZZBYgF+kFEsRfilXgrvth7jPSJ/O2FtOX3aSIQfUBNe1aLCnz2xL/QGtK4+P1tw= 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=Z4bkgjb6; arc=none smtp.client-ip=192.198.163.18 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="Z4bkgjb6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788324969; x=1819860969; h=date:from:to:cc:subject:message-id; bh=RON1FVMyUgpyG+Se/itPQEfAd5JBmKz0sYokSRkzuhg=; b=Z4bkgjb6jRpMrnrQ3vinyJhsze6LT/43qNvO85b/Ta8HQioWsLmtp9CQ TyPdPHYrJapidwpRaZYFIiy5Op5HADZ/rALKaEhaoXmNrrQI0FMqoVBxU c/hZMdoj8w++y9WsGi/8GnqoNLRGgkGI68L+yXr8RsuV5K8av48O1ZDd1 kw9sdkxODqXBHeeZvCk1naz0BLYoMSoSda/tAoxKJERMnc8f33aUxXiXb IPOEbebEstZjxtcizx9bFixGUx1dexLxqotzTUzyvma5kl+dozHugu1qc nvoxc4sOWKCgPJj4KUc57DpF0BBUX0vVYl0oTTKJwyeSQHGFqhnLruBcI w==; X-CSE-ConnectionGUID: mqWhrgOOScWzKdJxORsg4A== X-CSE-MsgGUID: nouizd9ZQ06Pmv6rlwvJaA== X-IronPort-AV: E=McAfee;i="6800,10657,11893"; a="87909923" X-IronPort-AV: E=Sophos;i="6.25,257,1779174000"; d="scan'208";a="87909923" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2026 21:56:08 -0700 X-CSE-ConnectionGUID: Nifm+uPpTsiMXLuFYnP70g== X-CSE-MsgGUID: bCQ6sdxUQGmAESyjEyLm0g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,257,1779174000"; d="scan'208";a="294124872" Received: from lkp-server01.sh.intel.com (HELO bfac249b2189) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 01 Sep 2026 21:56:06 -0700 Received: from kbuild by bfac249b2189 with local (Exim 4.98.2) (envelope-from ) id 1x1d11-00000000206-1jaj; Wed, 02 Sep 2026 04:56:03 +0000 Date: Wed, 02 Sep 2026 12:55:47 +0800 From: kernel test robot To: Danilo Krummrich Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Janne Grunau , Alexandre Courbot , Lyude Paul Subject: [asahilinux:pr/583 625/972] error[E0277]: the trait bound `VMap: IoBackend` is not satisfied Message-ID: <202609021249.C0H9atEC-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/AsahiLinux/linux pr/583 head: cddf57e96d46510a9378b0fda93f6db65e4976a8 commit: 7e2c3ece817a512b6b3facdc1f37969b14a88a49 [625/972] rust: drm/gem: remove DeviceContext from shmem::Object config: arm64-randconfig-002-20260831 (https://download.01.org/0day-ci/archive/20260902/202609021249.C0H9atEC-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 316b0edee400b3ef72ed0a082dae9bd337ac01a0) rustc: rustc 1.96.0 (ac68faa20 2026-05-25) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260902/202609021249.C0H9atEC-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609021249.C0H9atEC-lkp@intel.com/ All errors (new ones prefixed by >>): >> error[E0277]: the trait bound `VMap: IoBackend` is not satisfied --> rust/kernel/drm/gem/shmem.rs:522:58 | 522 | impl IoCapable<$ty> for VMap | ^^^^^^^^^^^^^^^^ unsatisfied trait bound ... 551 | impl_vmap_io_capable!(u16); | -------------------------- in this macro invocation | help: the trait `IoBackend` is not implemented for `VMap` --> rust/kernel/drm/gem/shmem.rs:431:1 | 431 | pub struct VMap | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: the following other types implement trait `IoBackend`: CoherentIoBackend IoSysMapBackend MmioBackend RelaxedMmioBackend SysMemBackend note: required by a bound in `IoCapable` --> rust/kernel/io.rs:272:25 | 272 | pub trait IoCapable: IoBackend { | ^^^^^^^^^ required by this bound in `IoCapable` = note: this error originates in the macro `impl_vmap_io_capable` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0277]: the trait bound `VMap: IoBackend` is not satisfied --> rust/kernel/drm/gem/shmem.rs:522:58 | 522 | impl IoCapable<$ty> for VMap | ^^^^^^^^^^^^^^^^ unsatisfied trait bound ... 552 | impl_vmap_io_capable!(u32); | -------------------------- in this macro invocation | help: the trait `IoBackend` is not implemented for `VMap` --> rust/kernel/drm/gem/shmem.rs:431:1 | 431 | pub struct VMap | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: the following other types implement trait `IoBackend`: CoherentIoBackend IoSysMapBackend MmioBackend RelaxedMmioBackend SysMemBackend note: required by a bound in `IoCapable` --> rust/kernel/io.rs:272:25 | 272 | pub trait IoCapable: IoBackend { | ^^^^^^^^^ required by this bound in `IoCapable` = note: this error originates in the macro `impl_vmap_io_capable` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0277]: the trait bound `VMap: IoBackend` is not satisfied --> rust/kernel/drm/gem/shmem.rs:522:58 | 522 | impl IoCapable<$ty> for VMap | ^^^^^^^^^^^^^^^^ unsatisfied trait bound ... 554 | impl_vmap_io_capable!(u64); | -------------------------- in this macro invocation | help: the trait `IoBackend` is not implemented for `VMap` --> rust/kernel/drm/gem/shmem.rs:431:1 | 431 | pub struct VMap | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: the following other types implement trait `IoBackend`: CoherentIoBackend IoSysMapBackend MmioBackend RelaxedMmioBackend SysMemBackend note: required by a bound in `IoCapable` --> rust/kernel/io.rs:272:25 | 272 | pub trait IoCapable: IoBackend { | ^^^^^^^^^ required by this bound in `IoCapable` = note: this error originates in the macro `impl_vmap_io_capable` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0277]: the trait bound `VMap: IoBackend` is not satisfied --> rust/kernel/drm/gem/shmem.rs:522:58 | 522 | impl IoCapable<$ty> for VMap | ^^^^^^^^^^^^^^^^ unsatisfied trait bound ... 550 | impl_vmap_io_capable!(u8); | ------------------------- in this macro invocation | help: the trait `IoBackend` is not implemented for `VMap` --> rust/kernel/drm/gem/shmem.rs:431:1 | 431 | pub struct VMap | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = help: the following other types implement trait `IoBackend`: CoherentIoBackend IoSysMapBackend MmioBackend RelaxedMmioBackend SysMemBackend note: required by a bound in `IoCapable` --> rust/kernel/io.rs:272:25 | 272 | pub trait IoCapable: IoBackend { | ^^^^^^^^^ required by this bound in `IoCapable` = note: this error originates in the macro `impl_vmap_io_capable` (in Nightly builds, run with -Z macro-backtrace for more info) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki