tree 2c999b78877035bc13644ee3d81a9a2faa010c69
parent c5825f774d3a06d4ae4e8270f13a9e4e82b86272
author Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org> 1496942727 +0100
committer Alexander Martinz <amartinz@shiftphones.com> 1710161780 +0100
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arm64: hwpoison: add VM_FAULT_HWPOISON[_LARGE] handling

Add VM_FAULT_HWPOISON[_LARGE] handling to the arm64 page fault
handler. Handling of VM_FAULT_HWPOISON[_LARGE] is very similar
to VM_FAULT_OOM, the only difference is that a different si_code
(BUS_MCEERR_AR) is passed to user space and si_addr_lsb field is
initialized.

Change-Id: I08f39836c68eb5ca597531464c7c2c1abf9c18b4
Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org>
Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org>
(fix new __do_user_fault call-site)
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Steve Capper <steve.capper@arm.com>
Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>