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x86/boot/e820: Move e820_reserve_setup_data() to e820.c

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The e820_reserve_setup_data() is local to arch/x86/kernel/setup.c,
but it is E820 functionality - so move it to e820.c to better
isolate E820 functionality.

No change in functionality.

Cc: Alex Thorlton <athorlton@sgi.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Huang, Ying <ying.huang@intel.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Jackson <pj@sgi.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-01-28 13:25:45 +01:00
parent 914053c08e
commit da92139bff
3 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/include/asm/e820/api.h
View File

@ -22,6 +22,7 @@ extern unsigned long e820_end_of_ram_pfn(void);
extern unsigned long e820_end_of_low_ram_pfn(void); extern unsigned long e820_end_of_low_ram_pfn(void);
extern u64 early_reserve_e820(u64 sizet, u64 align); extern u64 early_reserve_e820(u64 sizet, u64 align);
extern void e820__memblock_setup(void); extern void e820__memblock_setup(void);
extern void e820_reserve_setup_data(void);
extern void finish_e820_parsing(void); extern void finish_e820_parsing(void);
extern void e820_reserve_resources(void); extern void e820_reserve_resources(void);
extern void e820_reserve_resources_late(void); extern void e820_reserve_resources_late(void);

22
arch/x86/kernel/e820.c
View File

@ -910,6 +910,28 @@ static int __init parse_memmap_opt(char *str)
} }
early_param("memmap", parse_memmap_opt); early_param("memmap", parse_memmap_opt);
void __init e820_reserve_setup_data(void)
{
struct setup_data *data;
u64 pa_data;
pa_data = boot_params.hdr.setup_data;
if (!pa_data)
return;
while (pa_data) {
data = early_memremap(pa_data, sizeof(*data));
e820_update_range(pa_data, sizeof(*data)+data->len, E820_RAM, E820_RESERVED_KERN);
pa_data = data->next;
early_memunmap(data, sizeof(*data));
}
sanitize_e820_table(e820_table->entries, ARRAY_SIZE(e820_table->entries), &e820_table->nr_entries);
memcpy(e820_table_firmware, e820_table, sizeof(struct e820_table));
printk(KERN_INFO "extended physical RAM map:\n");
e820_print_map("reserve setup_data");
}
void __init finish_e820_parsing(void) void __init finish_e820_parsing(void)
{ {
if (userdef) { if (userdef) {

23
arch/x86/kernel/setup.c
View File

@ -441,29 +441,6 @@ static void __init parse_setup_data(void)
} }
} }
static void __init e820_reserve_setup_data(void)
{
struct setup_data *data;
u64 pa_data;
pa_data = boot_params.hdr.setup_data;
if (!pa_data)
return;
while (pa_data) {
data = early_memremap(pa_data, sizeof(*data));
e820_update_range(pa_data, sizeof(*data)+data->len,
E820_RAM, E820_RESERVED_KERN);
pa_data = data->next;
early_memunmap(data, sizeof(*data));
}
sanitize_e820_table(e820_table->entries, ARRAY_SIZE(e820_table->entries), &e820_table->nr_entries);
memcpy(e820_table_firmware, e820_table, sizeof(struct e820_table));
printk(KERN_INFO "extended physical RAM map:\n");
e820_print_map("reserve setup_data");
}
static void __init memblock_x86_reserve_range_setup_data(void) static void __init memblock_x86_reserve_range_setup_data(void)
{ {
struct setup_data *data; struct setup_data *data;