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X-CSE-ConnectionGUID: h/DM0vsxQyCfQDher2SLDA== X-CSE-MsgGUID: oMW30tr6QNifxWnZr2qHyQ== X-IronPort-AV: E=McAfee;i="6800,10657,11755"; a="87549640" X-IronPort-AV: E=Sophos;i="6.23,171,1770624000"; d="scan'208";a="87549640" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2026 07:46:48 -0700 X-CSE-ConnectionGUID: usT08zbnRLeV8g8dvktQDA== X-CSE-MsgGUID: gDZ5uW8yTJSlQTKjqLE91A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,171,1770624000"; d="scan'208";a="226381142" Received: from lkp-server01.sh.intel.com (HELO 6449335cace3) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 10 Apr 2026 07:46:47 -0700 Received: from kbuild by 6449335cace3 with local (Exim 4.98.2) (envelope-from ) id 1wBD88-000000003pr-3S7k; Fri, 10 Apr 2026 14:46:44 +0000 Date: Fri, 10 Apr 2026 22:46:32 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android17-6.18 1/1] arch/arm64/kvm/pkvm.c:123:22: sparse: sparse: cast to restricted gfp_t Message-ID: <202604102216.ejXBTPgA-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://android.googlesource.com/kernel/common android17-6.18 head: 08e21ebff803243bccd5e6cd4a8253ffebf74c64 commit: 1ded80a53cb8dc6c83e47578f7eacca8772245ce [1/1] ANDROID: KVM: arm64: Allow GFP_ATOMIC for host stage-2 pool topup config: arm64-randconfig-r133-20260408 (https://download.01.org/0day-ci/archive/20260410/202604102216.ejXBTPgA-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c80443cd37b2e2788cba67ffa180a6331e5f0791) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260410/202604102216.ejXBTPgA-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/202604102216.ejXBTPgA-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/arm64/kvm/pkvm.c:123:22: sparse: sparse: cast to restricted gfp_t >> arch/arm64/kvm/pkvm.c:148:45: sparse: sparse: cast from restricted gfp_t vim +123 arch/arm64/kvm/pkvm.c 120 121 static void *__host_stage2_alloc(void *arg, unsigned long order) 122 { > 123 gfp_t gfp = (gfp_t)(uintptr_t)arg; 124 struct page *p; 125 126 p = __cma_alloc(host_s2_cma, 1, 0, gfp); 127 if (!p) 128 return NULL; 129 130 return page_to_virt(p); 131 } 132 133 static void __host_stage2_free(void *virt, void *arg, unsigned long order) 134 { 135 WARN_ON(!cma_release(host_s2_cma, virt_to_page(virt), 1)); 136 } 137 138 int pkvm_host_stage2_topup(gfp_t gfp) 139 { 140 struct kvm_hyp_memcache mc; 141 int ret = -EINVAL; 142 143 if (!gfpflags_allow_blocking(gfp) && host_s2_mode != PKVM_HOST_S2_GCMA) 144 goto err; 145 146 init_hyp_memcache(&mc); 147 ret = __topup_hyp_memcache(&mc, 3, __host_stage2_alloc, kvm_host_pa, > 148 (void *)(uintptr_t)(gfp | __GFP_NOWARN), 0); 149 if (ret && !mc.nr_pages) 150 return ret; 151 152 ret = __pkvm_topup_hyp_alloc_mgt_mc(HYP_ALLOC_MGT_HOSTS2_ID, &mc); 153 if (ret) 154 __free_hyp_memcache(&mc, __host_stage2_free, kvm_host_va, NULL); 155 156 err: 157 return WARN_ON_ONCE(ret); 158 } 159 EXPORT_SYMBOL(pkvm_host_stage2_topup); 160 #else 161 static void __host_stage2_free(void *virt, void *arg, unsigned long order) { WARN_ON(1); } 162 static void __init pkvm_host_stage2_drain(void) { } 163 #endif 164 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki