Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=21438f7c138f0b893a32df3cc77434e39a2145f8
Commit: 21438f7c138f0b893a32df3cc77434e39a2145f8
Parent: 1954448fb0c03dd5e301d7bef2dda71cd9b2fcf2
Author: Glauber de Oliveira Costa <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:32:09 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:32:09 2008 +0100
x86: add CLBR_ defines for 64-bit
x86_64 needs a potentially larger clobber list than i386, due to its calling
convention. So we add more CLBR_ defines for it.
Note that CLBR_ANY is different for each of the architectures, since it
comprises
the notion of "All call clobbers in this architecture"
Signed-off-by: Glauber de Oliveira Costa <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
include/asm-x86/paravirt.h | 23 ++++++++++++++++++-----
1 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index e8fbf74..5935c27 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -8,11 +8,24 @@
#include <asm/asm.h>
/* Bitmask of what can be clobbered: usually at least eax. */
-#define CLBR_NONE 0x0
-#define CLBR_EAX 0x1
-#define CLBR_ECX 0x2
-#define CLBR_EDX 0x4
-#define CLBR_ANY 0x7
+#define CLBR_NONE 0
+#define CLBR_EAX (1 << 0)
+#define CLBR_ECX (1 << 1)
+#define CLBR_EDX (1 << 2)
+
+#ifdef CONFIG_X86_64
+#define CLBR_RSI (1 << 3)
+#define CLBR_RDI (1 << 4)
+#define CLBR_R8 (1 << 5)
+#define CLBR_R9 (1 << 6)
+#define CLBR_R10 (1 << 7)
+#define CLBR_R11 (1 << 8)
+#define CLBR_ANY ((1 << 9) - 1)
+#include <asm/desc_defs.h>
+#else
+/* CLBR_ANY should match all regs platform has. For i386, that's just it */
+#define CLBR_ANY ((1 << 3) - 1)
+#endif /* X86_64 */
#ifndef __ASSEMBLY__
#include <linux/types.h>
-
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