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Subject[PATCH 25/50] x86/boot/e820: Move e820_reserve_setup_data() to e820.c
Date
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>
---
arch/x86/include/asm/e820/api.h | 1 +
arch/x86/kernel/e820.c | 22 ++++++++++++++++++++++
arch/x86/kernel/setup.c | 23 -----------------------
3 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/arch/x86/include/asm/e820/api.h b/arch/x86/include/asm/e820/api.h
index 8c9c6054dec1..23019a696fcd 100644
--- a/arch/x86/include/asm/e820/api.h
+++ b/arch/x86/include/asm/e820/api.h
@@ -22,6 +22,7 @@ extern unsigned long e820_end_of_ram_pfn(void);
extern unsigned long e820_end_of_low_ram_pfn(void);
extern u64 early_reserve_e820(u64 sizet, u64 align);
extern void e820__memblock_setup(void);
+extern void e820_reserve_setup_data(void);
extern void finish_e820_parsing(void);
extern void e820_reserve_resources(void);
extern void e820_reserve_resources_late(void);
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index d24c0f2b4a1c..79b9401bbbea 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -910,6 +910,28 @@ static int __init parse_memmap_opt(char *str)
}
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)
{
if (userdef) {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 4451c3a818db..7954159f0d27 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -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)
{
struct setup_data *data;
--
2.7.4
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