x86/segment: Remove .fixup usage
authorPeter Zijlstra <peterz@infradead.org>
Wed, 10 Nov 2021 10:01:15 +0000 (11:01 +0100)
committerPeter Zijlstra <peterz@infradead.org>
Sat, 11 Dec 2021 08:09:48 +0000 (09:09 +0100)
commit5fc77b916cb82fe476ae2344e0ec37445227a4f8
tree732ca13b188a5188bd7c9d05e0cadf925345f1c8
parent1c3b9091d084d92c70a4260553853509637276b9
x86/segment: Remove .fixup usage

Create and use EX_TYPE_ZERO_REG to clear the register and retry the
segment load on exception.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211110101325.663529463@infradead.org
arch/x86/include/asm/extable_fixup_types.h
arch/x86/include/asm/segment.h