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authorChristophe Leroy <christophe.leroy@csgroup.eu>2020-05-30 19:16:33 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2020-06-02 12:59:16 +0200
commit74016701fe5f873ae23bf02835407227138d874d (patch)
tree0c5e5a6ed7c96c0eb299efa5f0d81e5f85d3bed9 /arch/powerpc
parentpowerpc/module_64: Use special stub for _mcount() with -mprofile-kernel (diff)
downloadlinux-74016701fe5f873ae23bf02835407227138d874d.tar.xz
linux-74016701fe5f873ae23bf02835407227138d874d.zip
powerpc/32s: Fix another build failure with CONFIG_PPC_KUAP_DEBUG
'thread' doesn't exist in kuap_check() macro. Use 'current' instead. Fixes: a68c31fc01ef ("powerpc/32s: Implement Kernel Userspace Access Protection") Cc: stable@vger.kernel.org Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/b459e1600b969047a74e34251a84a3d6fdf1f312.1590858925.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/book3s/32/kup.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h
index 5a267b7e4971..32fd4452e960 100644
--- a/arch/powerpc/include/asm/book3s/32/kup.h
+++ b/arch/powerpc/include/asm/book3s/32/kup.h
@@ -2,6 +2,7 @@
#ifndef _ASM_POWERPC_BOOK3S_32_KUP_H
#define _ASM_POWERPC_BOOK3S_32_KUP_H
+#include <asm/bug.h>
#include <asm/book3s/32/mmu-hash.h>
#ifdef __ASSEMBLY__
@@ -75,7 +76,7 @@
.macro kuap_check current, gpr
#ifdef CONFIG_PPC_KUAP_DEBUG
- lwz \gpr, KUAP(thread)
+ lwz \gpr, THREAD + KUAP(\current)
999: twnei \gpr, 0
EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
#endif