diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-05-20 16:38:55 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-20 16:38:55 +0400 |
| commit | dfacc4d6c98b89609250269f518c1f54c30454ef (patch) | |
| tree | e7effbee7bdc85d18f7b26ab9cb5c9f700d1481a /arch/x86/kernel/tboot.c | |
| parent | f869097e884d8cb65b2bb7831ca57b7dffb66fdd (diff) | |
| parent | 85cb68b27c428d477169f3aa46c72dba103a17bd (diff) | |
| download | linux-dfacc4d6c98b89609250269f518c1f54c30454ef.tar.xz | |
Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into perf/core
Diffstat (limited to 'arch/x86/kernel/tboot.c')
| -rw-r--r-- | arch/x86/kernel/tboot.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index 86c9f91b48ae..cc2c60474fd0 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -175,6 +175,9 @@ static void add_mac_region(phys_addr_t start, unsigned long size) struct tboot_mac_region *mr; phys_addr_t end = start + size; + if (tboot->num_mac_regions >= MAX_TB_MAC_REGIONS) + panic("tboot: Too many MAC regions\n"); + if (start && size) { mr = &tboot->mac_regions[tboot->num_mac_regions++]; mr->start = round_down(start, PAGE_SIZE); @@ -184,18 +187,17 @@ static void add_mac_region(phys_addr_t start, unsigned long size) static int tboot_setup_sleep(void) { + int i; + tboot->num_mac_regions = 0; - /* S3 resume code */ - add_mac_region(acpi_wakeup_address, WAKEUP_SIZE); + for (i = 0; i < e820.nr_map; i++) { + if ((e820.map[i].type != E820_RAM) + && (e820.map[i].type != E820_RESERVED_KERN)) + continue; -#ifdef CONFIG_X86_TRAMPOLINE - /* AP trampoline code */ - add_mac_region(virt_to_phys(trampoline_base), TRAMPOLINE_SIZE); -#endif - - /* kernel code + data + bss */ - add_mac_region(virt_to_phys(_text), _end - _text); + add_mac_region(e820.map[i].addr, e820.map[i].size); + } tboot->acpi_sinfo.kernel_s3_resume_vector = acpi_wakeup_address; |