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authorIngo Molnar <mingo@elte.hu>2009-02-20 19:40:43 +0300
committerIngo Molnar <mingo@elte.hu>2009-02-20 19:40:43 +0300
commit3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2 (patch)
tree2cd8a8d61f350aa3b00e6b0afc998544923f183e /arch/ia64/kvm/process.c
parent9be1b56a3e718aa998772019c57c398dbb19e258 (diff)
parent07a66d7c53a538e1a9759954a82bb6c07365eff9 (diff)
downloadlinux-3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2.tar.xz
Merge branch 'x86/urgent' into x86/core
Diffstat (limited to 'arch/ia64/kvm/process.c')
-rw-r--r--arch/ia64/kvm/process.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c
index 552d07724207..230eae482f32 100644
--- a/arch/ia64/kvm/process.c
+++ b/arch/ia64/kvm/process.c
@@ -455,13 +455,18 @@ fpswa_ret_t vmm_fp_emulate(int fp_fault, void *bundle, unsigned long *ipsr,
if (!vmm_fpswa_interface)
return (fpswa_ret_t) {-1, 0, 0, 0};
- /*
- * Just let fpswa driver to use hardware fp registers.
- * No fp register is valid in memory.
- */
memset(&fp_state, 0, sizeof(fp_state_t));
/*
+ * compute fp_state. only FP registers f6 - f11 are used by the
+ * vmm, so set those bits in the mask and set the low volatile
+ * pointer to point to these registers.
+ */
+ fp_state.bitmask_low64 = 0xfc0; /* bit6..bit11 */
+
+ fp_state.fp_state_low_volatile = (fp_state_low_volatile_t *) &regs->f6;
+
+ /*
* unsigned long (*EFI_FPSWA) (
* unsigned long trap_type,
* void *Bundle,
@@ -545,10 +550,6 @@ void reflect_interruption(u64 ifa, u64 isr, u64 iim,
status = vmm_handle_fpu_swa(0, regs, isr);
if (!status)
return ;
- else if (-EAGAIN == status) {
- vcpu_decrement_iip(vcpu);
- return ;
- }
break;
}