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SubjectRe: [PATCH v12 1/3] mm, powerpc, x86: define VM_PKEY_BITx bits if CONFIG_ARCH_HAS_PKEYS is enabled
On Fri, Feb 23, 2018 at 03:11:45PM +0800, kbuild test robot wrote:
> Hi Ram,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.16-rc2 next-20180222]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> chmod +x ~/bin/make.cross
...snip..
> # save the attached .config to linux build tree
> make.cross ARCH=powerpc
>
> Note: the linux-review/Ram-Pai/mm-x86-powerpc-Enhancements-to-Memory-Protection-Keys/20180223-042743 HEAD c5692bca45543c242ffca15c811923e4c548ed19 builds fine.
> It only hurts bisectibility.

oops, it broke git-bisect on powerpc :-(
The following change will fix it. This should nail it down.

diff --git a/arch/powerpc/include/asm/pkeys.h
b/arch/powerpc/include/asm/pkeys.h
index 0409c80..0b3b669 100644
--- a/arch/powerpc/include/asm/pkeys.h
+++ b/arch/powerpc/include/asm/pkeys.h
@@ -25,6 +25,7 @@
# define VM_PKEY_BIT1 VM_HIGH_ARCH_1
# define VM_PKEY_BIT2 VM_HIGH_ARCH_2
# define VM_PKEY_BIT3 VM_HIGH_ARCH_3
# define VM_PKEY_BIT4 VM_HIGH_ARCH_4
+#elif !defined(VM_PKEY_BIT4)
+# define VM_PKEY_BIT4 VM_HIGH_ARCH_4
#endif

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