tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 249155c20f9b0754bc1b932a33344cfb4e0c2101 commit: 0c55671f84fffe591e8435c93a8c83286fd6b8eb kvm, x86: Properly check whether a pfn is an MMIO or not date: 8 weeks ago
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <[email protected]> coccinelle warnings: (new ones prefixed by >>) >> arch/x86/kernel/e820.c:88:9-10: WARNING: return of 0/1 in function >> '_e820__mapped_any' with return type bool vim +/_e820__mapped_any +88 arch/x86/kernel/e820.c b79cd8f1 Yinghai Lu 2008-05-11 71 b79cd8f1 Yinghai Lu 2008-05-11 72 /* b79cd8f1 Yinghai Lu 2008-05-11 73 * This function checks if any part of the range <start,end> is mapped b79cd8f1 Yinghai Lu 2008-05-11 74 * with type. b79cd8f1 Yinghai Lu 2008-05-11 75 */ 0c55671f KarimAllah Ahmed 2019-01-31 76 static bool _e820__mapped_any(struct e820_table *table, 0c55671f KarimAllah Ahmed 2019-01-31 77 u64 start, u64 end, enum e820_type type) b79cd8f1 Yinghai Lu 2008-05-11 78 { b79cd8f1 Yinghai Lu 2008-05-11 79 int i; b79cd8f1 Yinghai Lu 2008-05-11 80 0c55671f KarimAllah Ahmed 2019-01-31 81 for (i = 0; i < table->nr_entries; i++) { 0c55671f KarimAllah Ahmed 2019-01-31 82 struct e820_entry *entry = &table->entries[i]; b79cd8f1 Yinghai Lu 2008-05-11 83 e5540f87 Ingo Molnar 2017-01-28 84 if (type && entry->type != type) b79cd8f1 Yinghai Lu 2008-05-11 85 continue; e5540f87 Ingo Molnar 2017-01-28 86 if (entry->addr >= end || entry->addr + entry->size <= start) b79cd8f1 Yinghai Lu 2008-05-11 87 continue; b79cd8f1 Yinghai Lu 2008-05-11 @88 return 1; b79cd8f1 Yinghai Lu 2008-05-11 89 } b79cd8f1 Yinghai Lu 2008-05-11 90 return 0; b79cd8f1 Yinghai Lu 2008-05-11 91 } 0c55671f KarimAllah Ahmed 2019-01-31 92 :::::: The code at line 88 was first introduced by commit :::::: b79cd8f1268bab57ff85b19d131f7f23deab2dee x86: make e820.c to have common functions :::::: TO: Yinghai Lu <[email protected]> :::::: CC: Thomas Gleixner <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
