Re: [PATCH 5/5] powerpc/pkeys: make protection key 0 less special

[Florian Weimer]

On 06/05/2018 04:09 AM, Ram Pai wrote:

diff --git a/arch/powerpc/include/asm/pkeys.h b/arch/powerpc/include/asm/pkeys.h
index 0409c80..d349e22 100644
--- a/arch/powerpc/include/asm/pkeys.h
+++ b/arch/powerpc/include/asm/pkeys.h
@@ -13,7 +13,10 @@

DECLARE_STATIC_KEY_TRUE(pkey_disabled);

  extern int pkeys_total; /* total pkeys as per device tree */
-extern u32 initial_allocation_mask; /* bits set for reserved keys */
+extern u32 initial_allocation_mask; /*  bits set for the initially allocated 
keys */
+extern u32 reserved_allocation_mask; /* bits set for reserved keys */
+
+#define PKEY_0 0

/*

   * Define these here temporarily so we're not dependent on patching 
linux/mm.h.

This part no longer applies cleanly.

Thanks,
Florian