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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-09 00:30:55 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-09 00:30:55 +0100 |
| commit | d15c22e78674f9a5bc0de0932a43abe1aafae303 (patch) | |
| tree | 3e4198c44bd2d9184e91647346c66aa95e28f843 /arch/ia64/kvm/process.c | |
| parent | Input: psmouse - add newline to OLPC HGPK touchpad debugging (diff) | |
| parent | Linux 2.6.29-rc7 (diff) | |
| download | linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.tar.xz linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.zip | |
Merge commit 'v2.6.29-rc7' into next
Diffstat (limited to 'arch/ia64/kvm/process.c')
| -rw-r--r-- | arch/ia64/kvm/process.c | 17 |
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 *) ®s->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; } |