diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-07 11:05:35 -0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-01-30 22:50:13 +1100 |
| commit | 4665ac8e28c30c2a015c617c55783c0bf3a49c05 (patch) | |
| tree | 15992d7e693126be7f758e694c8a544306576dfd /drivers/lguest/x86 | |
| parent | 66686c2ab08feb721ca4d98285fba64acdf6017f (diff) | |
| download | blackbird-op-linux-4665ac8e28c30c2a015c617c55783c0bf3a49c05.tar.gz blackbird-op-linux-4665ac8e28c30c2a015c617c55783c0bf3a49c05.zip | |
lguest: makes special fields be per-vcpu
lguest struct have room for some fields, namely, cr2, ts, esp1
and ss1, that are not really guest-wide, but rather, vcpu-wide.
This patch puts it in the vcpu struct
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/lguest/x86')
| -rw-r--r-- | drivers/lguest/x86/core.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index e989b8358864..65f2e3809475 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -95,8 +95,8 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages) /* Set up the two "TSS" members which tell the CPU what stack to use * for traps which do directly into the Guest (ie. traps at privilege * level 1). */ - pages->state.guest_tss.esp1 = lg->esp1; - pages->state.guest_tss.ss1 = lg->ss1; + pages->state.guest_tss.esp1 = cpu->esp1; + pages->state.guest_tss.ss1 = cpu->ss1; /* Copy direct-to-Guest trap entries. */ if (lg->changed & CHANGED_IDT) @@ -165,12 +165,10 @@ static void run_guest_once(struct lg_cpu *cpu, struct lguest_pages *pages) * are disabled: we own the CPU. */ void lguest_arch_run_guest(struct lg_cpu *cpu) { - struct lguest *lg = cpu->lg; - /* Remember the awfully-named TS bit? If the Guest has asked to set it * we set it now, so we can trap and pass that trap to the Guest if it * uses the FPU. */ - if (lg->ts) + if (cpu->ts) lguest_set_ts(); /* SYSENTER is an optimized way of doing system calls. We can't allow @@ -325,7 +323,7 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) /* If the Guest doesn't want to know, we already restored the * Floating Point Unit, so we just continue without telling * it. */ - if (!lg->ts) + if (!cpu->ts) return; break; case 32 ... 255: |
