+void vmx_set_host_fs_gs(struct vmcs_host_state *host, u16 fs_sel, u16 gs_sel,
+ unsigned long fs_base, unsigned long gs_base)
+{
+ if (unlikely(fs_sel != host->fs_sel)) {
+ if (!(fs_sel & 7))
+ vmcs_write16(HOST_FS_SELECTOR, fs_sel);
+ else
+ vmcs_write16(HOST_FS_SELECTOR, 0);
+ host->fs_sel = fs_sel;
+ }
+ if (unlikely(gs_sel != host->gs_sel)) {
+ if (!(gs_sel & 7))
+ vmcs_write16(HOST_GS_SELECTOR, gs_sel);
+ else
+ vmcs_write16(HOST_GS_SELECTOR, 0);
+ host->gs_sel = gs_sel;
+ }
+ if (unlikely(fs_base != host->fs_base)) {
+ vmcs_writel(HOST_FS_BASE, fs_base);
+ host->fs_base = fs_base;
+ }
+ if (unlikely(gs_base != host->gs_base)) {
+ vmcs_writel(HOST_GS_BASE, gs_base);
+ host->gs_base = gs_base;
+ }
+}
+