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linux-stable/arch/arm64
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Baolin Wang e68b823ab0 arm64/hugetlb: Fix building errors in huge_ptep_clear_flush() 
Fix the arm64 build error which was caused by commit ae07562909 ("mm:
change huge_ptep_clear_flush() to return the original pte") interacting
with commit fb396bb459 ("arm64/hugetlb: Drop TLB flush from
get_clear_flush()"):

  arch/arm64/mm/hugetlbpage.c: In function ‘huge_ptep_clear_flush’:
  arch/arm64/mm/hugetlbpage.c:515:9: error: implicit declaration of function ‘get_clear_flush’; did you mean ‘ptep_clear_flush’? [-Werror=implicit-function-declaration]
    515 |  return get_clear_flush(vma->vm_mm, addr, ptep, pgsize, ncontig);
        |         ^~~~~~~~~~~~~~~
        |         ptep_clear_flush

Due to the new get_clear_contig() has dropped TLB flush, we should add
an explicit TLB flush in huge_ptep_clear_flush() to keep original
semantics when changing to use new get_clear_contig().

Fixes: fb396bb459 ("arm64/hugetlb: Drop TLB flush from get_clear_flush()").
Fixes: ae07562909 ("mm: change huge_ptep_clear_flush() to return the original pte")
Reported-and-tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-05-27 10:56:35 -07:00
..
boot Kbuild updates for v5.19 2022-05-26 12:09:50 -07:00
configs - Enable essential PMIC and regulatro drivers for MT8195. 2022-05-13 14:02:30 +02:00
crypto crypto: arm64 - cleanup comments 2022-03-09 15:12:32 +12:00
hyperv
include S390: 2022-05-26 14:20:14 -07:00
kernel S390: 2022-05-26 14:20:14 -07:00
kvm S390: 2022-05-26 14:20:14 -07:00
lib S390: 2022-05-26 14:20:14 -07:00
mm arm64/hugetlb: Fix building errors in huge_ptep_clear_flush() 2022-05-27 10:56:35 -07:00
net bpf, arm64: Sign return address for JITed code 2022-04-06 00:04:22 +02:00
tools S390: 2022-05-26 14:20:14 -07:00
xen xen: allow pv-only hypercalls only with CONFIG_XEN_PV 2021-11-02 08:11:01 -05:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig Yang Shi has improved the behaviour of khugepaged collapsing of readonly 2022-05-26 12:32:41 -07:00
Kconfig.debug
Kconfig.platforms arm64 updates for 5.19: 2022-05-23 21:06:11 -07:00
Makefile kbuild: factor out the common installation code into scripts/install.sh 2022-05-11 21:45:53 +09:00