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arm64: extable: use ex for exception_table_entry

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Subsequent patches will extend `struct exception_table_entry` with more
fields, and the distinction between the entry and its `fixup` field will
become more important.

For clarity, let's consistently use `ex` to refer to refer to an entire
entry. In subsequent patches we'll use `fixup` to refer to the fixup
field specifically. This matches the naming convention used today in
arch/arm64/net/bpf_jit_comp.c.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20211019160219.5202-10-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Mark Rutland 2021-10-19 17:02:15 +01:00 committed by Will Deacon
parent e8c328d7de
commit 5d0e790514
1 changed files with 5 additions and 5 deletions
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10
arch/arm64/mm/extable.c
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@ -8,15 +8,15 @@
bool fixup_exception(struct pt_regs *regs)
{
const struct exception_table_entry *fixup;
const struct exception_table_entry *ex;
fixup = search_exception_tables(instruction_pointer(regs));
if (!fixup)
ex = search_exception_tables(instruction_pointer(regs));
if (!ex)
return false;
if (in_bpf_jit(regs))
return arm64_bpf_fixup_exception(fixup, regs);
return arm64_bpf_fixup_exception(ex, regs);
regs->pc = (unsigned long)&fixup->fixup + fixup->fixup;
regs->pc = (unsigned long)&ex->fixup + ex->fixup;
return true;
}