在 2018年09月30日 02:25, kbuild test robot 写道: > Hi Lianbo, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on sof-driver-fuweitax/master] > [also build test ERROR on v4.19-rc5 next-20180928] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Lianbo-Jiang/Support-kdump-for-AMD-secure-memory-encryption-SME/20180930-001539 > base: https://github.com/fuweitax/linux master > config: i386-randconfig-x0-09300051 (attached as .config) > compiler: gcc-5 (Debian 5.5.0-3) 5.4.1 20171010 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > fs/proc/vmcore.o: In function `read_from_oldmem': >>> fs/proc/vmcore.c:115: undefined reference to `copy_oldmem_page_encrypted' > Ok, i will fix this compile error, and post again later. Thanks. > vim +115 fs/proc/vmcore.c > > 88 > 89 /* Reads a page from the oldmem device from given offset. */ > 90 static ssize_t read_from_oldmem(char *buf, size_t count, > 91 u64 *ppos, int userbuf, > 92 bool encrypted) > 93 { > 94 unsigned long pfn, offset; > 95 size_t nr_bytes; > 96 ssize_t read = 0, tmp; > 97 > 98 if (!count) > 99 return 0; > 100 > 101 offset = (unsigned long)(*ppos % PAGE_SIZE); > 102 pfn = (unsigned long)(*ppos / PAGE_SIZE); > 103 > 104 do { > 105 if (count > (PAGE_SIZE - offset)) > 106 nr_bytes = PAGE_SIZE - offset; > 107 else > 108 nr_bytes = count; > 109 > 110 /* If pfn is not ram, return zeros for sparse dump files */ > 111 if (pfn_is_ram(pfn) == 0) > 112 memset(buf, 0, nr_bytes); > 113 else { > 114 if (encrypted) > > 115 tmp = copy_oldmem_page_encrypted(pfn, buf, > 116 nr_bytes, > 117 offset, > 118 userbuf); > 119 else > 120 tmp = copy_oldmem_page(pfn, buf, nr_bytes, > 121 offset, userbuf); > 122 > 123 if (tmp < 0) > 124 return tmp; > 125 } > 126 *ppos += nr_bytes; > 127 count -= nr_bytes; > 128 buf += nr_bytes; > 129 read += nr_bytes; > 130 ++pfn; > 131 offset = 0; > 132 } while (count); > 133 > 134 return read; > 135 } > 136 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
