diff options
| author | Yinghai Lu <Yinghai.Lu@Sun.COM> | 2008-02-22 17:07:16 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:49 +0200 |
| commit | 3def3d6ddf43dbe20c00c3cbc38dfacc8586998f (patch) | |
| tree | 0d9b56966bc5c525d9d3a1be66e8ccd9d476e589 /arch/x86/kernel | |
| parent | 700efc1b9f6afe34caae231b87d129ad8ffb559f (diff) | |
x86: clean up e820_reserve_resources on 64-bit
e820_resource_resources could use insert_resource instead of request_resource
also move code_resource, data_resource, bss_resource, and crashk_res
out of e820_reserve_resources.
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/e820_64.c | 19 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 8 |
2 files changed, 9 insertions, 18 deletions
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c index a8694a35352b..8b914a833ac6 100644 --- a/arch/x86/kernel/e820_64.c +++ b/arch/x86/kernel/e820_64.c @@ -229,8 +229,7 @@ unsigned long __init e820_end_of_ram(void) /* * Mark e820 reserved areas as busy for the resource manager. */ -void __init e820_reserve_resources(struct resource *code_resource, - struct resource *data_resource, struct resource *bss_resource) +void __init e820_reserve_resources(void) { int i; for (i = 0; i < e820.nr_map; i++) { @@ -245,21 +244,7 @@ void __init e820_reserve_resources(struct resource *code_resource, res->start = e820.map[i].addr; res->end = res->start + e820.map[i].size - 1; res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; - request_resource(&iomem_resource, res); - if (e820.map[i].type == E820_RAM) { - /* - * We don't know which RAM region contains kernel data, - * so we try it repeatedly and let the resource manager - * test it. - */ - request_resource(res, code_resource); - request_resource(res, data_resource); - request_resource(res, bss_resource); -#ifdef CONFIG_KEXEC - if (crashk_res.start != crashk_res.end) - request_resource(res, &crashk_res); -#endif - } + insert_resource(&iomem_resource, res); } } diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index 187f084b9491..e3cb3ea96ca1 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -248,6 +248,7 @@ static void __init reserve_crashkernel(void) (unsigned long)(total_mem >> 20)); crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; + insert_resource(&iomem_resource, &crashk_res); } } #else @@ -322,6 +323,11 @@ void __init setup_arch(char **cmdline_p) finish_e820_parsing(); + /* after parse_early_param, so could debug it */ + insert_resource(&iomem_resource, &code_resource); + insert_resource(&iomem_resource, &data_resource); + insert_resource(&iomem_resource, &bss_resource); + early_gart_iommu_check(); e820_register_active_regions(0, 0, -1UL); @@ -454,7 +460,7 @@ void __init setup_arch(char **cmdline_p) /* * We trust e820 completely. No explicit ROM probing in memory. */ - e820_reserve_resources(&code_resource, &data_resource, &bss_resource); + e820_reserve_resources(); e820_mark_nosave_regions(); /* request I/O space for devices used on all i[345]86 PCs */ |