tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm head: 51696f39cbee5bb684e7959c0c98b5f54548aa34 commit: 023c3c96ca4d196c09d554d5a98900406e4d7ecb [9/41] KVM: PPC: Book3S HV P9: implement kvmppc_xive_pull_vcpu in C config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=023c3c96ca4d196c09d554d5a98900406e4d7ecb git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc topic/ppc-kvm git checkout 023c3c96ca4d196c09d554d5a98900406e4d7ecb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
arch/powerpc/kvm/book3s_xive.c: note: in included file:
arch/powerpc/kvm/book3s_xive_template.c:26:15: sparse: sparse: cast to
restricted __be16
arch/powerpc/kvm/book3s_xive_template.c:339:39: sparse: sparse: incorrect
type in initializer (different base types) @@ expected restricted __be64
[usertype] qw1 @@ got unsigned long @@
arch/powerpc/kvm/book3s_xive_template.c:339:39: sparse: expected
restricted __be64 [usertype] qw1
arch/powerpc/kvm/book3s_xive_template.c:339:39: sparse: got unsigned long
arch/powerpc/kvm/book3s_xive.c:79:49: sparse: sparse: incorrect type in
argument 1 (different base types) @@ expected unsigned long v @@ got
restricted __be64 [usertype] w01 @@
arch/powerpc/kvm/book3s_xive.c:79:49: sparse: expected unsigned long v
arch/powerpc/kvm/book3s_xive.c:79:49: sparse: got restricted __be64
[usertype] w01
arch/powerpc/kvm/book3s_xive.c:80:32: sparse: sparse: incorrect type in
argument 1 (different base types) @@ expected unsigned int v @@ got
restricted __be32 [usertype] xive_cam_word @@
arch/powerpc/kvm/book3s_xive.c:80:32: sparse: expected unsigned int v
arch/powerpc/kvm/book3s_xive.c:80:32: sparse: got restricted __be32
[usertype] xive_cam_word
>> arch/powerpc/kvm/book3s_xive.c:151:41: sparse: sparse: incorrect type in
>> assignment (different base types) @@ expected restricted __be64
>> [usertype] w01 @@ got unsigned long @@
arch/powerpc/kvm/book3s_xive.c:151:41: sparse: expected restricted
__be64 [usertype] w01
arch/powerpc/kvm/book3s_xive.c:151:41: sparse: got unsigned long
vim +151 arch/powerpc/kvm/book3s_xive.c
129
130 /*
131 * Pull a vcpu's context from the XIVE on guest exit.
132 * This assumes we are in virtual mode (MMU on)
133 */
134 void kvmppc_xive_pull_vcpu(struct kvm_vcpu *vcpu)
135 {
136 void __iomem *tima = local_paca->kvm_hstate.xive_tima_virt;
137
138 if (!vcpu->arch.xive_pushed)
139 return;
140
141 /*
142 * Should not have been pushed if there is no tima
143 */
144 if (WARN_ON(!tima))
145 return;
146
147 eieio();
148 /* First load to pull the context, we ignore the value */
149 __raw_readl(tima + TM_SPC_PULL_OS_CTX);
150 /* Second load to recover the context state (Words 0 and 1) */
> 151 vcpu->arch.xive_saved_state.w01 = __raw_readq(tima + TM_QW1_OS);
152
153 /* Fixup some of the state for the next load */
154 vcpu->arch.xive_saved_state.lsmfb = 0;
155 vcpu->arch.xive_saved_state.ack = 0xff;
156 vcpu->arch.xive_pushed = 0;
157 eieio();
158 }
159 EXPORT_SYMBOL_GPL(kvmppc_xive_pull_vcpu);
160
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
