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powerpc/32s: Fix build failure with CONFIG_PPC_KUAP_DEBUG

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gpr2 is not a parametre of kuap_check(), it doesn't exist.

Use gpr instead.

Fixes: a68c31fc01 ("powerpc/32s: Implement Kernel Userspace Access Protection")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/ea599546f2a7771bde551393889e44e6b2632332.1587368807.git.christophe.leroy@c-s.fr
This commit is contained in:
Christophe Leroy 2020-04-20 07:47:05 +00:00 committed by Michael Ellerman
parent fa4f3f56cc
commit 4833ce06e6
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/include/asm/book3s/32/kup.h
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@ -75,7 +75,7 @@
.macro kuap_check current, gpr
#ifdef CONFIG_PPC_KUAP_DEBUG
lwz \gpr2, KUAP(thread)
lwz \gpr, KUAP(thread)
999: twnei \gpr, 0
EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
#endif