diff options
Diffstat (limited to 'drivers/lguest')
| -rw-r--r-- | drivers/lguest/lguest.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/lguest/lguest.c b/drivers/lguest/lguest.c index 6dfe568523a2..3386b0e76900 100644 --- a/drivers/lguest/lguest.c +++ b/drivers/lguest/lguest.c @@ -1019,6 +1019,11 @@ __init void lguest_init(void *boot) * the normal data segment to get through booting. */ asm volatile ("mov %0, %%fs" : : "r" (__KERNEL_DS) : "memory"); + /* Clear the part of the kernel data which is expected to be zero. + * Normally it will be anyway, but if we're loading from a bzImage with + * CONFIG_RELOCATALE=y, the relocations will be sitting here. */ + memset(__bss_start, 0, __bss_stop - __bss_start); + /* The Host uses the top of the Guest's virtual address space for the * Host<->Guest Switcher, and it tells us how much it needs in * lguest_data.reserve_mem, set up on the LGUEST_INIT hypercall. */ |