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Merge branch 'x86/boot' into x86/mm, to avoid conflict

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There's a conflict between ongoing level-5 paging support and
the E820 rewrite. Since the E820 rewrite is essentially ready,
merge it into x86/mm to reduce tree conflicts.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2017-04-11 08:56:05 +02:00
parent b678c91aef 4729277156
commit e5185a76a2
67 changed files with 1049 additions and 886 deletions
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78
arch/x86/kernel/setup.c
View File

@@ -75,7 +75,7 @@
#include <asm/mtrr.h>
#include <asm/apic.h>
#include <asm/realmode.h>
#include <asm/e820.h>
#include <asm/e820/api.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/efi.h>
@@ -119,7 +119,7 @@
* max_low_pfn_mapped: highest direct mapped pfn under 4GB
* max_pfn_mapped: highest direct mapped pfn over 4GB
*
* The direct mapping only covers E820_RAM regions, so the ranges and gaps are
* The direct mapping only covers E820_TYPE_RAM regions, so the ranges and gaps are
* represented by pfn_mapped
*/
unsigned long max_low_pfn_mapped;
@@ -423,7 +423,7 @@ static void __init parse_setup_data(void)
switch (data_type) {
case SETUP_E820_EXT:
parse_e820_ext(pa_data, data_len);
e820__memory_setup_extended(pa_data, data_len);
break;
case SETUP_DTB:
add_dtb(pa_data);
@@ -438,29 +438,6 @@ 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_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
memcpy(e820_saved, e820, sizeof(struct e820map));
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;
@@ -753,16 +730,16 @@ static void __init trim_bios_range(void)
* since some BIOSes are known to corrupt low memory. See the
* Kconfig help text for X86_RESERVE_LOW.
*/
e820_update_range(0, PAGE_SIZE, E820_RAM, E820_RESERVED);
e820__range_update(0, PAGE_SIZE, E820_TYPE_RAM, E820_TYPE_RESERVED);
/*
* special case: Some BIOSen report the PC BIOS
* area (640->1Mb) as ram even though it is not.
* take them out.
*/
e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
e820__range_remove(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_TYPE_RAM, 1);
sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
e820__update_table(e820_table);
}
/* called before trim_bios_range() to spare extra sanitize */
@@ -772,18 +749,18 @@ static void __init e820_add_kernel_range(void)
u64 size = __pa_symbol(_end) - start;
/*
* Complain if .text .data and .bss are not marked as E820_RAM and
* Complain if .text .data and .bss are not marked as E820_TYPE_RAM and
* attempt to fix it by adding the range. We may have a confused BIOS,
* or the user may have used memmap=exactmap or memmap=xxM$yyM to
* exclude kernel range. If we really are running on top non-RAM,
* we will crash later anyways.
*/
if (e820_all_mapped(start, start + size, E820_RAM))
if (e820__mapped_all(start, start + size, E820_TYPE_RAM))
return;
pr_warn(".text .data .bss are not marked as E820_RAM!\n");
e820_remove_range(start, size, E820_RAM, 0);
e820_add_region(start, size, E820_RAM);
pr_warn(".text .data .bss are not marked as E820_TYPE_RAM!\n");
e820__range_remove(start, size, E820_TYPE_RAM, 0);
e820__range_add(start, size, E820_TYPE_RAM);
}
static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
@@ -936,7 +913,7 @@ void __init setup_arch(char **cmdline_p)
x86_init.oem.arch_setup();
iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1;
setup_memory_map();
e820__memory_setup();
parse_setup_data();
copy_edd();
@@ -1025,9 +1002,8 @@ void __init setup_arch(char **cmdline_p)
early_dump_pci_devices();
#endif
/* update the e820_saved too */
e820_reserve_setup_data();
finish_e820_parsing();
e820__reserve_setup_data();
e820__finish_early_params();
if (efi_enabled(EFI_BOOT))
efi_init();
@@ -1053,11 +1029,11 @@ void __init setup_arch(char **cmdline_p)
trim_bios_range();
#ifdef CONFIG_X86_32
if (ppro_with_ram_bug()) {
e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
E820_RESERVED);
sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map);
e820__range_update(0x70000000ULL, 0x40000ULL, E820_TYPE_RAM,
E820_TYPE_RESERVED);
e820__update_table(e820_table);
printk(KERN_INFO "fixed physical RAM map:\n");
e820_print_map("bad_ppro");
e820__print_table("bad_ppro");
}
#else
early_gart_iommu_check();
@@ -1067,12 +1043,12 @@ void __init setup_arch(char **cmdline_p)
* partially used pages are not usable - thus
* we are rounding upwards:
*/
max_pfn = e820_end_of_ram_pfn();
max_pfn = e820__end_of_ram_pfn();
/* update e820 for memory not covered by WB MTRRs */
mtrr_bp_init();
if (mtrr_trim_uncached_memory(max_pfn))
max_pfn = e820_end_of_ram_pfn();
max_pfn = e820__end_of_ram_pfn();
max_possible_pfn = max_pfn;
@@ -1091,7 +1067,7 @@ void __init setup_arch(char **cmdline_p)
/* How many end-of-memory variables you have, grandma! */
/* need this before calling reserve_initrd */
if (max_pfn > (1UL<<(32 - PAGE_SHIFT)))
max_low_pfn = e820_end_of_low_ram_pfn();
max_low_pfn = e820__end_of_low_ram_pfn();
else
max_low_pfn = max_pfn;
@@ -1108,7 +1084,7 @@ void __init setup_arch(char **cmdline_p)
early_alloc_pgt_buf();
/*
* Need to conclude brk, before memblock_x86_fill()
* Need to conclude brk, before e820__memblock_setup()
* it could use memblock_find_in_range, could overlap with
* brk area.
*/
@@ -1117,7 +1093,7 @@ void __init setup_arch(char **cmdline_p)
cleanup_highmap();
memblock_set_current_limit(ISA_END_ADDRESS);
memblock_x86_fill();
e820__memblock_setup();
reserve_bios_regions();
@@ -1134,7 +1110,7 @@ void __init setup_arch(char **cmdline_p)
}
/* preallocate 4k for mptable mpc */
early_reserve_e820_mpc_new();
e820__memblock_alloc_reserved_mpc_new();
#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION
setup_bios_corruption_check();
@@ -1257,12 +1233,12 @@ void __init setup_arch(char **cmdline_p)
kvm_guest_init();
e820_reserve_resources();
e820_mark_nosave_regions(max_low_pfn);
e820__reserve_resources();
e820__register_nosave_regions(max_low_pfn);
x86_init.resources.reserve_resources();
e820_setup_gap();
e820__setup_pci_gap();
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)