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authorTom Lendacky <[email protected]>2017-07-17 16:10:31 -0500
committerIngo Molnar <[email protected]>2017-07-18 11:38:05 +0200
commitdb516997a985b461f021d594e78155bbc7fc3e7e (patch)
tree4c68d58db309c4159eeb2448cf4e17072d5a827d
parent8458bf94b0399cd1bca6c437366bcafb29c230c5 (diff)
x86/mm: Create native_make_p4d() for PGTABLE_LEVELS <= 4
Currently, native_make_p4d() is only defined when CONFIG_PGTABLE_LEVELS is greater than 4. Create a macro that will allow for defining and using native_make_p4d() when CONFIG_PGTABLES_LEVELS is not greater than 4. Signed-off-by: Tom Lendacky <[email protected]> Reviewed-by: Thomas Gleixner <[email protected]> Cc: Alexander Potapenko <[email protected]> Cc: Andrey Ryabinin <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brijesh Singh <[email protected]> Cc: Dave Young <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Konrad Rzeszutek Wilk <[email protected]> Cc: Larry Woodman <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Matt Fleming <[email protected]> Cc: Michael S. Tsirkin <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Radim Krčmář <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Toshimitsu Kani <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/b645e14f9e73731023694494860ceab73feff777.1500319216.git.thomas.lendacky@amd.com Signed-off-by: Ingo Molnar <[email protected]>
-rw-r--r--arch/x86/include/asm/pgtable_types.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index 830992fc5a06..6c55973ebab8 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -309,6 +309,11 @@ static inline p4dval_t native_p4d_val(p4d_t p4d)
#else
#include <asm-generic/pgtable-nop4d.h>
+static inline p4d_t native_make_p4d(pudval_t val)
+{
+ return (p4d_t) { .pgd = native_make_pgd((pgdval_t)val) };
+}
+
static inline p4dval_t native_p4d_val(p4d_t p4d)
{
return native_pgd_val(p4d.pgd);