commit | e6978e4bf181fb3b5f8cb6f71b4fe30fbf1b655c | [log] [tgz] |
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author | Russell King <rmk+kernel@armlinux.org.uk> | Fri May 13 11:40:20 2016 +0100 |
committer | Russell King <rmk+kernel@armlinux.org.uk> | Thu Jul 07 16:01:01 2016 +0100 |
tree | dddb20dbc9a5e594e406e71ed598039b33e0a4be | |
parent | dd665be0e243873343a28e18f9f345927b658daf [diff] |
ARM: save and reset the address limit when entering an exception When we enter an exception, the current address limit should not apply to the exception context: if the exception context wishes to access kernel space via the user accessors (eg, perf code), it must explicitly request such access. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>