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SUSE:SLE-12-SP2:GA
qemu.611
0039-increase-x86_64-physical-bits-to-42.patch
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File 0039-increase-x86_64-physical-bits-to-42.patch of Package qemu.611
From 2925c7c610d3b1e8b113b173fa52f73f00d1f8d7 Mon Sep 17 00:00:00 2001 From: Bruce Rogers <brogers@suse.com> Date: Fri, 17 May 2013 16:49:58 -0600 Subject: [PATCH] increase x86_64 physical bits to 42 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 37abcaa..3326cdf 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -2347,7 +2347,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { /* 64 bit processor */ /* XXX: The physical address space is limited to 42 bits in exec.c. */ - *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */ + *eax = 0x0000302A; /* 48 bits virtual, 42 bits physical */ } else { if (env->features[FEAT_1_EDX] & CPUID_PSE36) { *eax = 0x00000024; /* 36 bits physical */
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