The patch titled
Subject: fix process_madvise build break for arm64
has been added to the -mm tree. Its filename is
mm-introduce-external-memory-hinting-api-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-introduce-external-memory-hinting-api-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-introduce-external-memory-hinting-api-fix.patch
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------------------------------------------------------
From: Minchan Kim <minchan@xxxxxxxxxx>
Subject: fix process_madvise build break for arm64
0-day reported build break from process_madvise on ARM64.
aarch64-linux-ld: arch/arm64/kernel/head.o: relocation R_AARCH64_ABS32 against `_kernel_offset_le_lo32' can not be used when making a shared object
aarch64-linux-ld: arch/arm64/kernel/efi-entry.stub.o: relocation R_AARCH64_ABS32 against `__efistub_stext_offset' can not be used when making a shared object
arch/arm64/kernel/head.o: In function `kimage_vaddr':
(.idmap.text+0x0): dangerous relocation: unsupported relocation
arch/arm64/kernel/head.o: In function `__primary_switch':
(.idmap.text+0x378): dangerous relocation: unsupported relocation
(.idmap.text+0x380): dangerous relocation: unsupported relocation
>> arch/arm64/kernel/sys32.o:(.rodata+0xdb8): undefined reference to `__arm64_process_madvise'
This patch should fix it.
Link: http://lkml.kernel.org/r/20200303145756.GA219683@xxxxxxxxxx
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/include/asm/unistd32.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/include/asm/unistd32.h~mm-introduce-external-memory-hinting-api-fix
+++ a/arch/arm64/include/asm/unistd32.h
@@ -884,7 +884,7 @@ __SYSCALL(__NR_openat2, sys_openat2)
#define __NR_pidfd_getfd 438
__SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
#define __NR_process_madvise 439
-__SYSCALL(__NR_process_madvise, process_madvise)
+__SYSCALL(__NR_process_madvise, sys_process_madvise)
/*
* Please add new compat syscalls above this comment and update
_
Patches currently in -mm which might be from minchan@xxxxxxxxxx are
mm-pass-task-and-mm-to-do_madvise.patch
mm-introduce-external-memory-hinting-api.patch
mm-introduce-external-memory-hinting-api-fix.patch
mm-check-fatal-signal-pending-of-target-process.patch
pid-move-pidfd_get_pid-function-to-pidc.patch
mm-support-both-pid-and-pidfd-for-process_madvise.patch
