CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Nicholas Piggin <npig...@gmail.com> CC: Peter Zijlstra <pet...@infradead.org> CC: "Steven Rostedt (VMware)" <rost...@goodmis.org> CC: Thomas Gleixner <t...@linutronix.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 581cb3a26baf846ee9636214afaa5333919875b1 commit: 044d0d6de9f50192f9697583504a382347ee95ca lockdep: Only trace IRQ edges date: 2 weeks ago :::::: branch date: 9 hours ago :::::: commit date: 2 weeks ago config: arc-randconfig-s032-20200911 (attached as .config) compiler: arc-elf-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: v0.6.2-191-g10164920-dirty git checkout 044d0d6de9f50192f9697583504a382347ee95ca # 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__' ARCH=arc 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 >>) kernel/trace/ring_buffer.c:923:32: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __poll_t @@ got int @@ kernel/trace/ring_buffer.c:923:32: sparse: expected restricted __poll_t kernel/trace/ring_buffer.c:923:32: sparse: got int kernel/trace/ring_buffer.c: note: in included file (through arch/arc/include/asm/irqflags.h, include/linux/irqflags.h, arch/arc/include/asm/smp.h, ...): >> arch/arc/include/asm/irqflags-compact.h:145:19: sparse: sparse: context >> imbalance in 'ring_buffer_peek' - different lock contexts for basic block >> arch/arc/include/asm/irqflags-compact.h:145:19: sparse: sparse: context >> imbalance in 'ring_buffer_consume' - different lock contexts for basic block >> arch/arc/include/asm/irqflags-compact.h:145:19: sparse: sparse: context >> imbalance in 'ring_buffer_empty' - different lock contexts for basic block >> arch/arc/include/asm/irqflags-compact.h:145:19: sparse: sparse: context >> imbalance in 'ring_buffer_empty_cpu' - different lock contexts for basic >> block # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=044d0d6de9f50192f9697583504a382347ee95ca git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 044d0d6de9f50192f9697583504a382347ee95ca vim +/ring_buffer_peek +145 arch/arc/include/asm/irqflags-compact.h 5793e273a134331 Vineet Gupta 2015-03-05 141 5793e273a134331 Vineet Gupta 2015-03-05 142 /* 5793e273a134331 Vineet Gupta 2015-03-05 143 * Query IRQ state 5793e273a134331 Vineet Gupta 2015-03-05 144 */ 5793e273a134331 Vineet Gupta 2015-03-05 @145 static inline int arch_irqs_disabled_flags(unsigned long flags) 5793e273a134331 Vineet Gupta 2015-03-05 146 { 5793e273a134331 Vineet Gupta 2015-03-05 147 return !(flags & (STATUS_E1_MASK 5793e273a134331 Vineet Gupta 2015-03-05 148 #ifdef CONFIG_ARC_COMPACT_IRQ_LEVELS 5793e273a134331 Vineet Gupta 2015-03-05 149 | STATUS_E2_MASK 5793e273a134331 Vineet Gupta 2015-03-05 150 #endif 5793e273a134331 Vineet Gupta 2015-03-05 151 )); 5793e273a134331 Vineet Gupta 2015-03-05 152 } 5793e273a134331 Vineet Gupta 2015-03-05 153 :::::: The code at line 145 was first introduced by commit :::::: 5793e273a134331d05ed904e5be3b31ccfca54c1 ARC: intc: split into ARCompact ISA specific, common bits :::::: TO: Vineet Gupta <vgu...@synopsys.com> :::::: CC: Vineet Gupta <vgu...@synopsys.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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