12:18 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/urgent
head: 76e2fc63ca40977af893b724b00cc2f8e9ce47a4
commit: 76e2fc63ca40977af893b724b00cc2f8e9ce47a4 [2/2] x86/cpu/amd: Set
__max_die_per_package on AMD
config: i386-randconfig-r015-20210113 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
#
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=76...
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip x86/urgent
git checkout 76e2fc63ca40977af893b724b00cc2f8e9ce47a4
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
arch/x86/kernel/cpu/amd.c: In function 'bsp_init_amd':
> arch/x86/kernel/cpu/amd.c:545:3: error:
'__max_die_per_package' undeclared (first use in this function); did you mean
'topology_max_die_per_package'?
545 | __max_die_per_package =
nodes_per_socket = ((ecx >> 8) & 7) + 1;
| ^~~~~~~~~~~~~~~~~~~~~
| topology_max_die_per_package
arch/x86/kernel/cpu/amd.c:545:3: note: each undeclared identifier is reported only once
for each function it appears in
vim +545 arch/x86/kernel/cpu/amd.c
508
509 static void bsp_init_amd(struct cpuinfo_x86 *c)
510 {
511 if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
512
513 if (c->x86 > 0x10 ||
514 (c->x86 == 0x10 && c->x86_model >= 0x2)) {
515 u64 val;
516
517 rdmsrl(MSR_K7_HWCR, val);
518 if (!(val & BIT(24)))
519 pr_warn(FW_BUG "TSC doesn't count with P0 frequency!\n");
520 }
521 }
522
523 if (c->x86 == 0x15) {
524 unsigned long upperbit;
525 u32 cpuid, assoc;
526
527 cpuid = cpuid_edx(0x80000005);
528 assoc = cpuid >> 16 & 0xff;
529 upperbit = ((cpuid >> 24) << 10) / assoc;
530
531 va_align.mask = (upperbit - 1) & PAGE_MASK;
532 va_align.flags = ALIGN_VA_32 | ALIGN_VA_64;
533
534 /* A random value per boot for bit slice [12:upper_bit) */
535 va_align.bits = get_random_int() & va_align.mask;
536 }
537
538 if (cpu_has(c, X86_FEATURE_MWAITX))
539 use_mwaitx_delay();
540
541 if (boot_cpu_has(X86_FEATURE_TOPOEXT)) {
542 u32 ecx;
543
544 ecx = cpuid_ecx(0x8000001e);
545 __max_die_per_package = nodes_per_socket = ((ecx >> 8)
& 7) + 1;
546 } else if (boot_cpu_has(X86_FEATURE_NODEID_MSR)) {
547 u64 value;
548
549 rdmsrl(MSR_FAM10H_NODE_ID, value);
550 __max_die_per_package = nodes_per_socket = ((value >> 3) & 7) + 1;
551 }
552
553 if (!boot_cpu_has(X86_FEATURE_AMD_SSBD) &&
554 !boot_cpu_has(X86_FEATURE_VIRT_SSBD) &&
555 c->x86 >= 0x15 && c->x86 <= 0x17) {
556 unsigned int bit;
557
558 switch (c->x86) {
559 case 0x15: bit = 54; break;
560 case 0x16: bit = 33; break;
561 case 0x17: bit = 10; break;
562 default: return;
563 }
564 /*
565 * Try to cache the base value so further operations can
566 * avoid RMW. If that faults, do not enable SSBD.
567 */
568 if (!rdmsrl_safe(MSR_AMD64_LS_CFG, &x86_amd_ls_cfg_base)) {
569 setup_force_cpu_cap(X86_FEATURE_LS_CFG_SSBD);
570 setup_force_cpu_cap(X86_FEATURE_SSBD);
571 x86_amd_ls_cfg_ssbd_mask = 1ULL << bit;
572 }
573 }
574
575 resctrl_cpu_detect(c);
576 }
577
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org