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) | |||
| 1019 | * the normal data segment to get through booting. */ | 1019 | * the normal data segment to get through booting. */ |
| 1020 | asm volatile ("mov %0, %%fs" : : "r" (__KERNEL_DS) : "memory"); | 1020 | asm volatile ("mov %0, %%fs" : : "r" (__KERNEL_DS) : "memory"); |
| 1021 | 1021 | ||
| 1022 | /* Clear the part of the kernel data which is expected to be zero. | ||
| 1023 | * Normally it will be anyway, but if we're loading from a bzImage with | ||
| 1024 | * CONFIG_RELOCATALE=y, the relocations will be sitting here. */ | ||
| 1025 | memset(__bss_start, 0, __bss_stop - __bss_start); | ||
| 1026 | |||
| 1022 | /* The Host uses the top of the Guest's virtual address space for the | 1027 | /* The Host uses the top of the Guest's virtual address space for the |
| 1023 | * Host<->Guest Switcher, and it tells us how much it needs in | 1028 | * Host<->Guest Switcher, and it tells us how much it needs in |
| 1024 | * lguest_data.reserve_mem, set up on the LGUEST_INIT hypercall. */ | 1029 | * lguest_data.reserve_mem, set up on the LGUEST_INIT hypercall. */ |