From ec56a4a7b07e2943f49da273a31e3195083b1f2e Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Thu, 9 Mar 2017 15:12:12 -0300 Subject: i386: Change stepping of Haswell to non-blacklisted value glibc blacklists TSX on Haswell CPUs with model==60 and stepping < 4. To make the Haswell CPU model more useful, make those guests actually use TSX by changing CPU stepping to 4. References: * glibc commit 2702856bf45c82cf8e69f2064f5aa15c0ceb6359 https://sourceware.org/git/?p=glibc.git;a=commit;h=2702856bf45c82cf8e69f2064f5aa15c0ceb6359 Signed-off-by: Eduardo Habkost Message-Id: <20170309181212.18864-4-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost --- target/i386/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'target/i386') diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 30ba1bd06b..7aa762245a 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1196,7 +1196,7 @@ static X86CPUDefinition builtin_x86_defs[] = { .vendor = CPUID_VENDOR_INTEL, .family = 6, .model = 60, - .stepping = 1, + .stepping = 4, .features[FEAT_1_EDX] = CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | -- cgit v1.2.1