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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /arch/x86/kernel/head64.c
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/kernel/head64.c')
-rw-r--r--arch/x86/kernel/head64.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index bbc21798df..05a110c971 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -41,6 +41,7 @@
#include <asm/trapnr.h>
#include <asm/sev.h>
#include <asm/tdx.h>
+#include <asm/init.h>
/*
* Manage page tables very early on.
@@ -69,7 +70,7 @@ EXPORT_SYMBOL(vmemmap_base);
/*
* GDT used on the boot CPU before switching to virtual addresses.
*/
-static struct desc_struct startup_gdt[GDT_ENTRIES] = {
+static struct desc_struct startup_gdt[GDT_ENTRIES] __initdata = {
[GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff),
[GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff),
[GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff),
@@ -79,13 +80,11 @@ static struct desc_struct startup_gdt[GDT_ENTRIES] = {
* Address needs to be set at runtime because it references the startup_gdt
* while the kernel still uses a direct mapping.
*/
-static struct desc_ptr startup_gdt_descr = {
+static struct desc_ptr startup_gdt_descr __initdata = {
.size = sizeof(startup_gdt)-1,
.address = 0,
};
-#define __head __section(".head.text")
-
static void __head *fixup_pointer(void *ptr, unsigned long physaddr)
{
return ptr - (void *)_text + (void *)physaddr;
@@ -211,7 +210,7 @@ unsigned long __head __startup_64(unsigned long physaddr,
/* Fixup the physical addresses in the page table */
- pgd = fixup_pointer(&early_top_pgt, physaddr);
+ pgd = fixup_pointer(early_top_pgt, physaddr);
p = pgd + pgd_index(__START_KERNEL_map);
if (la57)
*p = (unsigned long)level4_kernel_pgt;
@@ -220,11 +219,11 @@ unsigned long __head __startup_64(unsigned long physaddr,
*p += _PAGE_TABLE_NOENC - __START_KERNEL_map + load_delta;
if (la57) {
- p4d = fixup_pointer(&level4_kernel_pgt, physaddr);
+ p4d = fixup_pointer(level4_kernel_pgt, physaddr);
p4d[511] += load_delta;
}
- pud = fixup_pointer(&level3_kernel_pgt, physaddr);
+ pud = fixup_pointer(level3_kernel_pgt, physaddr);
pud[510] += load_delta;
pud[511] += load_delta;
@@ -588,7 +587,7 @@ static void set_bringup_idt_handler(gate_desc *idt, int n, void *handler)
}
/* This runs while still in the direct mapping */
-static void startup_64_load_idt(unsigned long physbase)
+static void __head startup_64_load_idt(unsigned long physbase)
{
struct desc_ptr *desc = fixup_pointer(&bringup_idt_descr, physbase);
gate_desc *idt = fixup_pointer(bringup_idt_table, physbase);