[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] x86: Add FS and GS base to HVM VCPU context
# HG changeset patch # User Aravindh Puthiyaparambil <aravindh@xxxxxxxxxxxx> # Date 1335542275 -7200 # Node ID 9dda0efd8ce153049579a364974f50294702ffd2 # Parent fd04ba0aa4fa6e06b58f9c3ed4e1cd3830459bc6 x86: Add FS and GS base to HVM VCPU context Add FS and GS base to the HVM VCPU context returned by xc_vcpu_getcontext(). Signed-off-by: Aravindh Puthiyaparambil <aravindh@xxxxxxxxxxxx> Committed-by: Jan Beulich <jbeulich@xxxxxxxx> --- diff -r fd04ba0aa4fa -r 9dda0efd8ce1 xen/arch/x86/domctl.c --- a/xen/arch/x86/domctl.c Fri Apr 27 17:54:00 2012 +0200 +++ b/xen/arch/x86/domctl.c Fri Apr 27 17:57:55 2012 +0200 @@ -1590,8 +1590,23 @@ void arch_get_info_guest(struct vcpu *v, c.nat->user_regs.es = sreg.sel; hvm_get_segment_register(v, x86_seg_fs, &sreg); c.nat->user_regs.fs = sreg.sel; +#ifdef __x86_64__ + c.nat->fs_base = sreg.base; +#endif hvm_get_segment_register(v, x86_seg_gs, &sreg); c.nat->user_regs.gs = sreg.sel; +#ifdef __x86_64__ + if ( ring_0(&c.nat->user_regs) ) + { + c.nat->gs_base_kernel = sreg.base; + c.nat->gs_base_user = hvm_get_shadow_gs_base(v); + } + else + { + c.nat->gs_base_user = sreg.base; + c.nat->gs_base_kernel = hvm_get_shadow_gs_base(v); + } +#endif } else { _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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