diff options
Diffstat (limited to 'drivers/lguest')
| -rw-r--r-- | drivers/lguest/segments.c | 4 | ||||
| -rw-r--r-- | drivers/lguest/x86/core.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/lguest/segments.c b/drivers/lguest/segments.c index 951c57b0a7e..ede46581351 100644 --- a/drivers/lguest/segments.c +++ b/drivers/lguest/segments.c @@ -179,8 +179,10 @@ void load_guest_gdt_entry(struct lg_cpu *cpu, u32 num, u32 lo, u32 hi) * We assume the Guest has the same number of GDT entries as the * Host, otherwise we'd have to dynamically allocate the Guest GDT. */ - if (num >= ARRAY_SIZE(cpu->arch.gdt)) + if (num >= ARRAY_SIZE(cpu->arch.gdt)) { kill_guest(cpu, "too many gdt entries %i", num); + return; + } /* Set it up, then fix it. */ cpu->arch.gdt[num].a = lo; diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index 6ae388849a3..fb2b7ef7868 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -69,7 +69,7 @@ static struct lguest_pages *lguest_pages(unsigned int cpu) (SWITCHER_ADDR + SHARED_SWITCHER_PAGES*PAGE_SIZE))[cpu]); } -static DEFINE_PER_CPU(struct lg_cpu *, last_cpu); +static DEFINE_PER_CPU(struct lg_cpu *, lg_last_cpu); /*S:010 * We approach the Switcher. @@ -90,8 +90,8 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages) * meanwhile). If that's not the case, we pretend everything in the * Guest has changed. */ - if (__get_cpu_var(last_cpu) != cpu || cpu->last_pages != pages) { - __get_cpu_var(last_cpu) = cpu; + if (__get_cpu_var(lg_last_cpu) != cpu || cpu->last_pages != pages) { + __get_cpu_var(lg_last_cpu) = cpu; cpu->last_pages = pages; cpu->changed = CHANGED_ALL; } |