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UPSTREAM: arm64: mm: mark fault_info table const

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Unlike the debug_fault_info table, we never intentionally alter the
fault_info table at runtime, and all derived pointers are treated as
const currently.

Make the table const so that it can be placed in .rodata and protected
from unintentional writes, as we do for the syscall tables.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

Change-Id: I3fb0bb55427835c165cc377d8dc2a3fa9e6e950d
(cherry picked from commit bbb1681ee3)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Mark Rutland
2016-06-13 17:57:02 +01:00
committed by Amit Pundir
parent f73825a2c4
commit 6763781e70
1 changed files with 1 additions and 1 deletions
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arch/arm64/mm/fault.c
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@@ -438,7 +438,7 @@ static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs)
return 1;
}
static struct fault_info {
static const struct fault_info {
int (*fn)(unsigned long addr, unsigned int esr, struct pt_regs *regs);
int sig;
int code;