File increase-x86_64-physical-bits-to-42.patch of Package qemu

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File increase-x86_64-physical-bits-to-42.patch of Package qemu (Revision 949b2b51ab60e074fb343c5314b52184)

Currently displaying revision 949b2b51ab60e074fb343c5314b52184 , Show latest

From: Bruce Rogers <brogers@suse.com>
Date: Fri, 17 May 2013 16:49:58 -0600
Subject: increase x86_64 physical bits to 42
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Allow for guests with higher amounts of ram. The current thought
is that 2TB specified on qemu commandline would be an appropriate
limit. Note that this requires the next higher bit value since
the highest address is actually more than 2TB due to the pci
memory hole.

Signed-off-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 target/i386/cpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index cde2a16b941adeb1123d5d7411f3..39b9327a64d42bdace0d7346e038 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1928,7 +1928,7 @@ uint64_t cpu_get_tsc(CPUX86State *env);
 /* XXX: This value should match the one returned by CPUID
  * and in exec.c */
 # if defined(TARGET_X86_64)
-# define TCG_PHYS_ADDR_BITS 40
+# define TCG_PHYS_ADDR_BITS 42
 # else
 # define TCG_PHYS_ADDR_BITS 36
 # endif

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File increase-x86_64-physical-bits-to-42.patch of Package qemu (Revision 949b2b51ab60e074fb343c5314b52184)

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