Hi all,
[Also reported by Randy Dunlap]
After merging the akpm-current tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:
mm/vmalloc.c: In function '__purge_vmap_area_lazy':
mm/vmalloc.c:1286:8: error: 'SHARED_KERNEL_PMD' undeclared (first use in this function)
1286 | if (!SHARED_KERNEL_PMD && boot_cpu_has(X86_FEATURE_PTI))
| ^~~~~~~~~~~~~~~~~
mm/vmalloc.c:1286:8: note: each undeclared identifier is reported only once for each function it appears in
mm/vmalloc.c:1286:29: error: implicit declaration of function 'boot_cpu_has' [-Werror=implicit-function-declaration]
1286 | if (!SHARED_KERNEL_PMD && boot_cpu_has(X86_FEATURE_PTI))
| ^~~~~~~~~~~~
mm/vmalloc.c:1286:42: error: 'X86_FEATURE_PTI' undeclared (first use in this function)
1286 | if (!SHARED_KERNEL_PMD && boot_cpu_has(X86_FEATURE_PTI))
| ^~~~~~~~~~~~~~~
Caused by commit
07ef40e149bf ("mm-vmalloc-fix-regression-caused-by-needless-vmalloc_sync_all-fix")
SHARED_KERNEL_PMD, boot_cpu_has() and X86_FEATURE_PTI are only defined
for X86.
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell
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