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-rw-r--r--arch/x86/mm/mem_encrypt_boot.S4
-rw-r--r--arch/x86/mm/mem_encrypt_identity.c58
-rw-r--r--arch/x86/mm/pat/set_memory.c6
-rw-r--r--arch/x86/mm/pti.c2
4 files changed, 31 insertions, 39 deletions
diff --git a/arch/x86/mm/mem_encrypt_boot.S b/arch/x86/mm/mem_encrypt_boot.S
index 9de3d900b..e25288ee3 100644
--- a/arch/x86/mm/mem_encrypt_boot.S
+++ b/arch/x86/mm/mem_encrypt_boot.S
@@ -26,7 +26,7 @@ SYM_FUNC_START(sme_encrypt_execute)
* RCX - virtual address of the encryption workarea, including:
* - stack page (PAGE_SIZE)
* - encryption routine page (PAGE_SIZE)
- * - intermediate copy buffer (PMD_PAGE_SIZE)
+ * - intermediate copy buffer (PMD_SIZE)
* R8 - physical address of the pagetables to use for encryption
*/
@@ -123,7 +123,7 @@ SYM_FUNC_START(__enc_copy)
wbinvd /* Invalidate any cache entries */
/* Copy/encrypt up to 2MB at a time */
- movq $PMD_PAGE_SIZE, %r12
+ movq $PMD_SIZE, %r12
1:
cmpq %r12, %r9
jnb 2f
diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c
index 06ccbd36e..f17609884 100644
--- a/arch/x86/mm/mem_encrypt_identity.c
+++ b/arch/x86/mm/mem_encrypt_identity.c
@@ -41,6 +41,7 @@
#include <linux/mem_encrypt.h>
#include <linux/cc_platform.h>
+#include <asm/init.h>
#include <asm/setup.h>
#include <asm/sections.h>
#include <asm/cmdline.h>
@@ -93,12 +94,12 @@ struct sme_populate_pgd_data {
* section is 2MB aligned to allow for simple pagetable setup using only
* PMD entries (see vmlinux.lds.S).
*/
-static char sme_workarea[2 * PMD_PAGE_SIZE] __section(".init.scratch");
+static char sme_workarea[2 * PMD_SIZE] __section(".init.scratch");
static char sme_cmdline_arg[] __initdata = "mem_encrypt";
static char sme_cmdline_on[] __initdata = "on";
-static void __init sme_clear_pgd(struct sme_populate_pgd_data *ppd)
+static void __head sme_clear_pgd(struct sme_populate_pgd_data *ppd)
{
unsigned long pgd_start, pgd_end, pgd_size;
pgd_t *pgd_p;
@@ -113,7 +114,7 @@ static void __init sme_clear_pgd(struct sme_populate_pgd_data *ppd)
memset(pgd_p, 0, pgd_size);
}
-static pud_t __init *sme_prepare_pgd(struct sme_populate_pgd_data *ppd)
+static pud_t __head *sme_prepare_pgd(struct sme_populate_pgd_data *ppd)
{
pgd_t *pgd;
p4d_t *p4d;
@@ -150,7 +151,7 @@ static pud_t __init *sme_prepare_pgd(struct sme_populate_pgd_data *ppd)
return pud;
}
-static void __init sme_populate_pgd_large(struct sme_populate_pgd_data *ppd)
+static void __head sme_populate_pgd_large(struct sme_populate_pgd_data *ppd)
{
pud_t *pud;
pmd_t *pmd;
@@ -166,7 +167,7 @@ static void __init sme_populate_pgd_large(struct sme_populate_pgd_data *ppd)
set_pmd(pmd, __pmd(ppd->paddr | ppd->pmd_flags));
}
-static void __init sme_populate_pgd(struct sme_populate_pgd_data *ppd)
+static void __head sme_populate_pgd(struct sme_populate_pgd_data *ppd)
{
pud_t *pud;
pmd_t *pmd;
@@ -192,17 +193,17 @@ static void __init sme_populate_pgd(struct sme_populate_pgd_data *ppd)
set_pte(pte, __pte(ppd->paddr | ppd->pte_flags));
}
-static void __init __sme_map_range_pmd(struct sme_populate_pgd_data *ppd)
+static void __head __sme_map_range_pmd(struct sme_populate_pgd_data *ppd)
{
while (ppd->vaddr < ppd->vaddr_end) {
sme_populate_pgd_large(ppd);
- ppd->vaddr += PMD_PAGE_SIZE;
- ppd->paddr += PMD_PAGE_SIZE;
+ ppd->vaddr += PMD_SIZE;
+ ppd->paddr += PMD_SIZE;
}
}
-static void __init __sme_map_range_pte(struct sme_populate_pgd_data *ppd)
+static void __head __sme_map_range_pte(struct sme_populate_pgd_data *ppd)
{
while (ppd->vaddr < ppd->vaddr_end) {
sme_populate_pgd(ppd);
@@ -212,7 +213,7 @@ static void __init __sme_map_range_pte(struct sme_populate_pgd_data *ppd)
}
}
-static void __init __sme_map_range(struct sme_populate_pgd_data *ppd,
+static void __head __sme_map_range(struct sme_populate_pgd_data *ppd,
pmdval_t pmd_flags, pteval_t pte_flags)
{
unsigned long vaddr_end;
@@ -224,11 +225,11 @@ static void __init __sme_map_range(struct sme_populate_pgd_data *ppd,
vaddr_end = ppd->vaddr_end;
/* If start is not 2MB aligned, create PTE entries */
- ppd->vaddr_end = ALIGN(ppd->vaddr, PMD_PAGE_SIZE);
+ ppd->vaddr_end = ALIGN(ppd->vaddr, PMD_SIZE);
__sme_map_range_pte(ppd);
/* Create PMD entries */
- ppd->vaddr_end = vaddr_end & PMD_PAGE_MASK;
+ ppd->vaddr_end = vaddr_end & PMD_MASK;
__sme_map_range_pmd(ppd);
/* If end is not 2MB aligned, create PTE entries */
@@ -236,22 +237,22 @@ static void __init __sme_map_range(struct sme_populate_pgd_data *ppd,
__sme_map_range_pte(ppd);
}
-static void __init sme_map_range_encrypted(struct sme_populate_pgd_data *ppd)
+static void __head sme_map_range_encrypted(struct sme_populate_pgd_data *ppd)
{
__sme_map_range(ppd, PMD_FLAGS_ENC, PTE_FLAGS_ENC);
}
-static void __init sme_map_range_decrypted(struct sme_populate_pgd_data *ppd)
+static void __head sme_map_range_decrypted(struct sme_populate_pgd_data *ppd)
{
__sme_map_range(ppd, PMD_FLAGS_DEC, PTE_FLAGS_DEC);
}
-static void __init sme_map_range_decrypted_wp(struct sme_populate_pgd_data *ppd)
+static void __head sme_map_range_decrypted_wp(struct sme_populate_pgd_data *ppd)
{
__sme_map_range(ppd, PMD_FLAGS_DEC_WP, PTE_FLAGS_DEC_WP);
}
-static unsigned long __init sme_pgtable_calc(unsigned long len)
+static unsigned long __head sme_pgtable_calc(unsigned long len)
{
unsigned long entries = 0, tables = 0;
@@ -288,7 +289,7 @@ static unsigned long __init sme_pgtable_calc(unsigned long len)
return entries + tables;
}
-void __init sme_encrypt_kernel(struct boot_params *bp)
+void __head sme_encrypt_kernel(struct boot_params *bp)
{
unsigned long workarea_start, workarea_end, workarea_len;
unsigned long execute_start, execute_end, execute_len;
@@ -323,9 +324,8 @@ void __init sme_encrypt_kernel(struct boot_params *bp)
* memory from being cached.
*/
- /* Physical addresses gives us the identity mapped virtual addresses */
- kernel_start = __pa_symbol(_text);
- kernel_end = ALIGN(__pa_symbol(_end), PMD_PAGE_SIZE);
+ kernel_start = (unsigned long)RIP_REL_REF(_text);
+ kernel_end = ALIGN((unsigned long)RIP_REL_REF(_end), PMD_SIZE);
kernel_len = kernel_end - kernel_start;
initrd_start = 0;
@@ -343,24 +343,16 @@ void __init sme_encrypt_kernel(struct boot_params *bp)
#endif
/*
- * We're running identity mapped, so we must obtain the address to the
- * SME encryption workarea using rip-relative addressing.
- */
- asm ("lea sme_workarea(%%rip), %0"
- : "=r" (workarea_start)
- : "p" (sme_workarea));
-
- /*
* Calculate required number of workarea bytes needed:
* executable encryption area size:
* stack page (PAGE_SIZE)
* encryption routine page (PAGE_SIZE)
- * intermediate copy buffer (PMD_PAGE_SIZE)
+ * intermediate copy buffer (PMD_SIZE)
* pagetable structures for the encryption of the kernel
* pagetable structures for workarea (in case not currently mapped)
*/
- execute_start = workarea_start;
- execute_end = execute_start + (PAGE_SIZE * 2) + PMD_PAGE_SIZE;
+ execute_start = workarea_start = (unsigned long)RIP_REL_REF(sme_workarea);
+ execute_end = execute_start + (PAGE_SIZE * 2) + PMD_SIZE;
execute_len = execute_end - execute_start;
/*
@@ -383,7 +375,7 @@ void __init sme_encrypt_kernel(struct boot_params *bp)
* before it is mapped.
*/
workarea_len = execute_len + pgtable_area_len;
- workarea_end = ALIGN(workarea_start + workarea_len, PMD_PAGE_SIZE);
+ workarea_end = ALIGN(workarea_start + workarea_len, PMD_SIZE);
/*
* Set the address to the start of where newly created pagetable
@@ -502,7 +494,7 @@ void __init sme_encrypt_kernel(struct boot_params *bp)
native_write_cr3(__native_read_cr3());
}
-void __init sme_enable(struct boot_params *bp)
+void __head sme_enable(struct boot_params *bp)
{
const char *cmdline_ptr, *cmdline_arg, *cmdline_on;
unsigned int eax, ebx, ecx, edx;
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 5f0ce77a2..68d4f328f 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -747,11 +747,11 @@ phys_addr_t slow_virt_to_phys(void *__virt_addr)
switch (level) {
case PG_LEVEL_1G:
phys_addr = (phys_addr_t)pud_pfn(*(pud_t *)pte) << PAGE_SHIFT;
- offset = virt_addr & ~PUD_PAGE_MASK;
+ offset = virt_addr & ~PUD_MASK;
break;
case PG_LEVEL_2M:
phys_addr = (phys_addr_t)pmd_pfn(*(pmd_t *)pte) << PAGE_SHIFT;
- offset = virt_addr & ~PMD_PAGE_MASK;
+ offset = virt_addr & ~PMD_MASK;
break;
default:
phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT;
@@ -1041,7 +1041,7 @@ __split_large_page(struct cpa_data *cpa, pte_t *kpte, unsigned long address,
case PG_LEVEL_1G:
ref_prot = pud_pgprot(*(pud_t *)kpte);
ref_pfn = pud_pfn(*(pud_t *)kpte);
- pfninc = PMD_PAGE_SIZE >> PAGE_SHIFT;
+ pfninc = PMD_SIZE >> PAGE_SHIFT;
lpaddr = address & PUD_MASK;
lpinc = PMD_SIZE;
/*
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index ffe3b3a08..78414c6d1 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -592,7 +592,7 @@ static void pti_set_kernel_image_nonglobal(void)
* of the image.
*/
unsigned long start = PFN_ALIGN(_text);
- unsigned long end = ALIGN((unsigned long)_end, PMD_PAGE_SIZE);
+ unsigned long end = ALIGN((unsigned long)_end, PMD_SIZE);
/*
* This clears _PAGE_GLOBAL from the entire kernel image.