From da92139bff5fb334981d56225d3d80e73125b51f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sat, 28 Jan 2017 13:25:45 +0100 Subject: [PATCH] x86/boot/e820: Move e820_reserve_setup_data() to e820.c 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 Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Dan Williams Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: Huang, Ying Cc: Josh Poimboeuf Cc: Juergen Gross Cc: Linus Torvalds Cc: Paul Jackson Cc: Peter Zijlstra Cc: Rafael J. Wysocki Cc: Tejun Heo Cc: Thomas Gleixner Cc: Wei Yang Cc: Yinghai Lu Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar --- 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; -- 2.39.5