[PATCH V2 0/4] arm64/mm: Clean ups for do_page_fault()

From: Anshuman Khandual
Date: Mon Jun 03 2019 - 02:45:42 EST

This contains some clean ups for page fault handling in do_page_fault().
This has been boot tested on arm64 platform along with some stress test
but just build tested on others.

Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: James Morse <james.morse@xxxxxxx>
Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>

Changes in V2:

- s/is_write_abort()/is_el0_write_abort() with a comment per Mark Rutland
- s/is_write/is_el0_write/ & updated commit message as required
- s/argument/local variable/ per Christoph Hellwig
- Preserved VMA check order for VM_FAULT_BADMAP & VM_FAULT_BADACCESS per Mark
- Preserved all existing __do_page_fault() in code comments per Mark
- Dropped 'fixes' from the series's subject line per Will Deacon

V1: https://lkml.org/lkml/2019/5/29/431

Anshuman Khandual (4):
arm64/mm: Drop mmap_sem before calling __do_kernel_fault()
arm64/mm: Drop task_struct argument from __do_page_fault()
arm64/mm: Consolidate page fault information capture
arm64/mm: Drop local variable vm_fault_t from __do_page_fault()

arch/arm64/mm/fault.c | 72 +++++++++++++++++++++++++--------------------------
1 file changed, 36 insertions(+), 36 deletions(-)