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-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/boot/compressed/Makefile3
-rw-r--r--arch/x86/boot/compressed/aslr.c15
-rw-r--r--arch/x86/boot/compressed/eboot.c62
-rw-r--r--arch/x86/boot/compressed/eboot.h16
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c4
-rw-r--r--arch/x86/include/asm/bitops.h2
-rw-r--r--arch/x86/include/asm/efi.h24
-rw-r--r--arch/x86/include/asm/fixmap.h6
-rw-r--r--arch/x86/include/asm/io_apic.h1
-rw-r--r--arch/x86/include/asm/pgtable_64.h1
-rw-r--r--arch/x86/kernel/kprobes/opt.c4
-rw-r--r--arch/x86/kernel/smpboot.c3
-rw-r--r--arch/x86/mm/dump_pagetables.c4
-rw-r--r--arch/x86/mm/mmap.c2
-rw-r--r--arch/x86/pci/fixup.c24
-rw-r--r--arch/x86/xen/mmu.c27
17 files changed, 101 insertions, 98 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 778178f4c7d1..36327438caf0 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -23,6 +23,7 @@ config X86
def_bool y
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
+ select ARCH_HAS_FAST_MULTIPLIER
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select HAVE_AOUT if X86_32
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 7a801a310e37..0fcd9133790c 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -33,8 +33,7 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
ifeq ($(CONFIG_EFI_STUB), y)
- VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o \
- $(objtree)/drivers/firmware/efi/libstub/lib.a
+ VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
endif
$(obj)/vmlinux: $(VMLINUX_OBJS) FORCE
diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
index fc6091abedb7..d39189ba7f8e 100644
--- a/arch/x86/boot/compressed/aslr.c
+++ b/arch/x86/boot/compressed/aslr.c
@@ -183,12 +183,27 @@ static void mem_avoid_init(unsigned long input, unsigned long input_size,
static bool mem_avoid_overlap(struct mem_vector *img)
{
int i;
+ struct setup_data *ptr;
for (i = 0; i < MEM_AVOID_MAX; i++) {
if (mem_overlaps(img, &mem_avoid[i]))
return true;
}
+ /* Avoid all entries in the setup_data linked list. */
+ ptr = (struct setup_data *)(unsigned long)real_mode->hdr.setup_data;
+ while (ptr) {
+ struct mem_vector avoid;
+
+ avoid.start = (u64)ptr;
+ avoid.size = sizeof(*ptr) + ptr->len;
+
+ if (mem_overlaps(img, &avoid))
+ return true;
+
+ ptr = (struct setup_data *)(unsigned long)ptr->next;
+ }
+
return false;
}
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index f277184e2ac1..de8eebd6f67c 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -19,7 +19,10 @@
static efi_system_table_t *sys_table;
-struct efi_config *efi_early;
+static struct efi_config *efi_early;
+
+#define efi_call_early(f, ...) \
+ efi_early->call(efi_early->f, __VA_ARGS__);
#define BOOT_SERVICES(bits) \
static void setup_boot_services##bits(struct efi_config *c) \
@@ -265,21 +268,25 @@ void efi_char16_printk(efi_system_table_t *table, efi_char16_t *str)
offset = offsetof(typeof(*out), output_string);
output_string = efi_early->text_output + offset;
+ out = (typeof(out))(unsigned long)efi_early->text_output;
func = (u64 *)output_string;
- efi_early->call(*func, efi_early->text_output, str);
+ efi_early->call(*func, out, str);
} else {
struct efi_simple_text_output_protocol_32 *out;
u32 *func;
offset = offsetof(typeof(*out), output_string);
output_string = efi_early->text_output + offset;
+ out = (typeof(out))(unsigned long)efi_early->text_output;
func = (u32 *)output_string;
- efi_early->call(*func, efi_early->text_output, str);
+ efi_early->call(*func, out, str);
}
}
+#include "../../../../drivers/firmware/efi/libstub/efi-stub-helper.c"
+
static void find_bits(unsigned long mask, u8 *pos, u8 *size)
{
u8 first, len;
@@ -360,7 +367,7 @@ free_struct:
return status;
}
-static efi_status_t
+static void
setup_efi_pci32(struct boot_params *params, void **pci_handle,
unsigned long size)
{
@@ -403,8 +410,6 @@ setup_efi_pci32(struct boot_params *params, void **pci_handle,
data = (struct setup_data *)rom;
}
-
- return status;
}
static efi_status_t
@@ -463,7 +468,7 @@ free_struct:
}
-static efi_status_t
+static void
setup_efi_pci64(struct boot_params *params, void **pci_handle,
unsigned long size)
{
@@ -506,11 +511,18 @@ setup_efi_pci64(struct boot_params *params, void **pci_handle,
data = (struct setup_data *)rom;
}
-
- return status;
}
-static efi_status_t setup_efi_pci(struct boot_params *params)
+/*
+ * There's no way to return an informative status from this function,
+ * because any analysis (and printing of error messages) needs to be
+ * done directly at the EFI function call-site.
+ *
+ * For example, EFI_INVALID_PARAMETER could indicate a bug or maybe we
+ * just didn't find any PCI devices, but there's no way to tell outside
+ * the context of the call.
+ */
+static void setup_efi_pci(struct boot_params *params)
{
efi_status_t status;
void **pci_handle = NULL;
@@ -527,7 +539,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
size, (void **)&pci_handle);
if (status != EFI_SUCCESS)
- return status;
+ return;
status = efi_call_early(locate_handle,
EFI_LOCATE_BY_PROTOCOL, &pci_proto,
@@ -538,13 +550,12 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
goto free_handle;
if (efi_early->is64)
- status = setup_efi_pci64(params, pci_handle, size);
+ setup_efi_pci64(params, pci_handle, size);
else
- status = setup_efi_pci32(params, pci_handle, size);
+ setup_efi_pci32(params, pci_handle, size);
free_handle:
efi_call_early(free_pool, pci_handle);
- return status;
}
static void
@@ -1032,7 +1043,6 @@ struct boot_params *make_boot_params(struct efi_config *c)
int i;
unsigned long ramdisk_addr;
unsigned long ramdisk_size;
- unsigned long initrd_addr_max;
efi_early = c;
sys_table = (efi_system_table_t *)(unsigned long)efi_early->table;
@@ -1095,15 +1105,20 @@ struct boot_params *make_boot_params(struct efi_config *c)
memset(sdt, 0, sizeof(*sdt));
- if (hdr->xloadflags & XLF_CAN_BE_LOADED_ABOVE_4G)
- initrd_addr_max = -1UL;
- else
- initrd_addr_max = hdr->initrd_addr_max;
-
status = handle_cmdline_files(sys_table, image,
(char *)(unsigned long)hdr->cmd_line_ptr,
- "initrd=", initrd_addr_max,
+ "initrd=", hdr->initrd_addr_max,
&ramdisk_addr, &ramdisk_size);
+
+ if (status != EFI_SUCCESS &&
+ hdr->xloadflags & XLF_CAN_BE_LOADED_ABOVE_4G) {
+ efi_printk(sys_table, "Trying to load files to higher address\n");
+ status = handle_cmdline_files(sys_table, image,
+ (char *)(unsigned long)hdr->cmd_line_ptr,
+ "initrd=", -1UL,
+ &ramdisk_addr, &ramdisk_size);
+ }
+
if (status != EFI_SUCCESS)
goto fail2;
hdr->ramdisk_image = ramdisk_addr & 0xffffffff;
@@ -1376,10 +1391,7 @@ struct boot_params *efi_main(struct efi_config *c,
setup_graphics(boot_params);
- status = setup_efi_pci(boot_params);
- if (status != EFI_SUCCESS) {
- efi_printk(sys_table, "setup_efi_pci() failed!\n");
- }
+ setup_efi_pci(boot_params);
status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
sizeof(*gdt), (void **)&gdt);
diff --git a/arch/x86/boot/compressed/eboot.h b/arch/x86/boot/compressed/eboot.h
index d487e727f1ec..c88c31ecad12 100644
--- a/arch/x86/boot/compressed/eboot.h
+++ b/arch/x86/boot/compressed/eboot.h
@@ -103,4 +103,20 @@ struct efi_uga_draw_protocol {
void *blt;
};
+struct efi_config {
+ u64 image_handle;
+ u64 table;
+ u64 allocate_pool;
+ u64 allocate_pages;
+ u64 get_memory_map;
+ u64 free_pool;
+ u64 free_pages;
+ u64 locate_handle;
+ u64 handle_protocol;
+ u64 exit_boot_services;
+ u64 text_output;
+ efi_status_t (*call)(unsigned long, ...);
+ bool is64;
+} __packed;
+
#endif /* BOOT_COMPRESSED_EBOOT_H */
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 888950f29fd9..a7ccd57f19e4 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -481,7 +481,7 @@ static void ctr_crypt_final(struct crypto_aes_ctx *ctx,
crypto_inc(ctrblk, AES_BLOCK_SIZE);
}
-#ifdef CONFIG_AS_AVX
+#if 0 /* temporary disabled due to failing crypto tests */
static void aesni_ctr_enc_avx_tfm(struct crypto_aes_ctx *ctx, u8 *out,
const u8 *in, unsigned int len, u8 *iv)
{
@@ -1522,7 +1522,7 @@ static int __init aesni_init(void)
aesni_gcm_dec_tfm = aesni_gcm_dec;
}
aesni_ctr_enc_tfm = aesni_ctr_enc;
-#ifdef CONFIG_AS_AVX
+#if 0 /* temporary disabled due to failing crypto tests */
if (cpu_has_avx) {
/* optimize performance of ctr mode encryption transform */
aesni_ctr_enc_tfm = aesni_ctr_enc_avx_tfm;
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index afcd35d331de..cfe3b954d5e4 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -497,8 +497,6 @@ static __always_inline int fls64(__u64 x)
#include <asm-generic/bitops/sched.h>
-#define ARCH_HAS_FAST_MULTIPLIER 1
-
#include <asm/arch_hweight.h>
#include <asm-generic/bitops/const_hweight.h>
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 044a2fd3c5fe..0ec241ede5a2 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -159,30 +159,6 @@ static inline efi_status_t efi_thunk_set_virtual_address_map(
}
#endif /* CONFIG_EFI_MIXED */
-
-/* arch specific definitions used by the stub code */
-
-struct efi_config {
- u64 image_handle;
- u64 table;
- u64 allocate_pool;
- u64 allocate_pages;
- u64 get_memory_map;
- u64 free_pool;
- u64 free_pages;
- u64 locate_handle;
- u64 handle_protocol;
- u64 exit_boot_services;
- u64 text_output;
- efi_status_t (*call)(unsigned long, ...);
- bool is64;
-} __packed;
-
-extern struct efi_config *efi_early;
-
-#define efi_call_early(f, ...) \
- efi_early->call(efi_early->f, __VA_ARGS__);
-
extern bool efi_reboot_required(void);
#else
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index b0910f97a3ea..ffb1733ac91f 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -106,14 +106,14 @@ enum fixed_addresses {
__end_of_permanent_fixed_addresses,
/*
- * 256 temporary boot-time mappings, used by early_ioremap(),
+ * 512 temporary boot-time mappings, used by early_ioremap(),
* before ioremap() is functional.
*
- * If necessary we round it up to the next 256 pages boundary so
+ * If necessary we round it up to the next 512 pages boundary so
* that we can have a single pgd entry and a single pte table:
*/
#define NR_FIX_BTMAPS 64
-#define FIX_BTMAPS_SLOTS 4
+#define FIX_BTMAPS_SLOTS 8
#define TOTAL_FIX_BTMAPS (NR_FIX_BTMAPS * FIX_BTMAPS_SLOTS)
FIX_BTMAP_END =
(__end_of_permanent_fixed_addresses ^
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 478c490f3654..1733ab49ac5e 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -239,6 +239,7 @@ static inline int mp_find_ioapic(u32 gsi) { return 0; }
static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; }
static inline int mp_map_gsi_to_irq(u32 gsi, unsigned int flags) { return gsi; }
static inline void mp_unmap_irq(int irq) { }
+static inline bool mp_should_keep_irq(struct device *dev) { return 1; }
static inline int save_ioapic_entries(void)
{
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 5be9063545d2..3874693c0e53 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -19,6 +19,7 @@ extern pud_t level3_ident_pgt[512];
extern pmd_t level2_kernel_pgt[512];
extern pmd_t level2_fixmap_pgt[512];
extern pmd_t level2_ident_pgt[512];
+extern pte_t level1_fixmap_pgt[512];
extern pgd_t init_level4_pgt[];
#define swapper_pg_dir init_level4_pgt
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index f304773285ae..f1314d0bcf0a 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -338,8 +338,10 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
* a relative jump.
*/
rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE;
- if (abs(rel) > 0x7fffffff)
+ if (abs(rel) > 0x7fffffff) {
+ __arch_remove_optimized_kprobe(op, 0);
return -ERANGE;
+ }
buf = (u8 *)op->optinsn.insn;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 2d872e08fab9..42a2dca984b3 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1284,6 +1284,9 @@ static void remove_siblinginfo(int cpu)
for_each_cpu(sibling, cpu_sibling_mask(cpu))
cpumask_clear_cpu(cpu, cpu_sibling_mask(sibling));
+ for_each_cpu(sibling, cpu_llc_shared_mask(cpu))
+ cpumask_clear_cpu(cpu, cpu_llc_shared_mask(sibling));
+ cpumask_clear(cpu_llc_shared_mask(cpu));
cpumask_clear(cpu_sibling_mask(cpu));
cpumask_clear(cpu_core_mask(cpu));
c->phys_proc_id = 0;
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index 167ffcac16ed..95a427e57887 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -48,7 +48,9 @@ enum address_markers_idx {
LOW_KERNEL_NR,
VMALLOC_START_NR,
VMEMMAP_START_NR,
+# ifdef CONFIG_X86_ESPFIX64
ESPFIX_START_NR,
+# endif
HIGH_KERNEL_NR,
MODULES_VADDR_NR,
MODULES_END_NR,
@@ -71,7 +73,9 @@ static struct addr_marker address_markers[] = {
{ PAGE_OFFSET, "Low Kernel Mapping" },
{ VMALLOC_START, "vmalloc() Area" },
{ VMEMMAP_START, "Vmemmap" },
+# ifdef CONFIG_X86_ESPFIX64
{ ESPFIX_BASE_ADDR, "ESPfix Area", 16 },
+# endif
{ __START_KERNEL_map, "High Kernel Mapping" },
{ MODULES_VADDR, "Modules" },
{ MODULES_END, "End Modules" },
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
index 25e7e1372bb2..919b91205cd4 100644
--- a/arch/x86/mm/mmap.c
+++ b/arch/x86/mm/mmap.c
@@ -31,7 +31,7 @@
#include <linux/sched.h>
#include <asm/elf.h>
-struct __read_mostly va_alignment va_align = {
+struct va_alignment __read_mostly va_align = {
.flags = -1,
};
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index c61ea57d1ba1..9a2b7101ae8a 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -326,27 +326,6 @@ static void pci_fixup_video(struct pci_dev *pdev)
struct pci_bus *bus;
u16 config;
- if (!vga_default_device()) {
- resource_size_t start, end;
- int i;
-
- /* Does firmware framebuffer belong to us? */
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
- if (!(pci_resource_flags(pdev, i) & IORESOURCE_MEM))
- continue;
-
- start = pci_resource_start(pdev, i);
- end = pci_resource_end(pdev, i);
-
- if (!start || !end)
- continue;
-
- if (screen_info.lfb_base >= start &&
- (screen_info.lfb_base + screen_info.lfb_size) < end)
- vga_set_default_device(pdev);
- }
- }
-
/* Is VGA routed to us? */
bus = pdev->bus;
while (bus) {
@@ -371,8 +350,7 @@ static void pci_fixup_video(struct pci_dev *pdev)
pci_read_config_word(pdev, PCI_COMMAND, &config);
if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
- dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
- vga_set_default_device(pdev);
+ dev_printk(KERN_DEBUG, &pdev->dev, "Video device with shadowed ROM\n");
}
}
}
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index e8a1201c3293..16fb0099b7f2 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1866,12 +1866,11 @@ static void __init check_pt_base(unsigned long *pt_base, unsigned long *pt_end,
*
* We can construct this by grafting the Xen provided pagetable into
* head_64.S's preconstructed pagetables. We copy the Xen L2's into
- * level2_ident_pgt, level2_kernel_pgt and level2_fixmap_pgt. This
- * means that only the kernel has a physical mapping to start with -
- * but that's enough to get __va working. We need to fill in the rest
- * of the physical mapping once some sort of allocator has been set
- * up.
- * NOTE: for PVH, the page tables are native.
+ * level2_ident_pgt, and level2_kernel_pgt. This means that only the
+ * kernel has a physical mapping to start with - but that's enough to
+ * get __va working. We need to fill in the rest of the physical
+ * mapping once some sort of allocator has been set up. NOTE: for
+ * PVH, the page tables are native.
*/
void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
{
@@ -1902,8 +1901,11 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
/* L3_i[0] -> level2_ident_pgt */
convert_pfn_mfn(level3_ident_pgt);
/* L3_k[510] -> level2_kernel_pgt
- * L3_i[511] -> level2_fixmap_pgt */
+ * L3_k[511] -> level2_fixmap_pgt */
convert_pfn_mfn(level3_kernel_pgt);
+
+ /* L3_k[511][506] -> level1_fixmap_pgt */
+ convert_pfn_mfn(level2_fixmap_pgt);
}
/* We get [511][511] and have Xen's version of level2_kernel_pgt */
l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd);
@@ -1913,21 +1915,15 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
addr[1] = (unsigned long)l3;
addr[2] = (unsigned long)l2;
/* Graft it onto L4[272][0]. Note that we creating an aliasing problem:
- * Both L4[272][0] and L4[511][511] have entries that point to the same
+ * Both L4[272][0] and L4[511][510] have entries that point to the same
* L2 (PMD) tables. Meaning that if you modify it in __va space
* it will be also modified in the __ka space! (But if you just
* modify the PMD table to point to other PTE's or none, then you
* are OK - which is what cleanup_highmap does) */
copy_page(level2_ident_pgt, l2);
- /* Graft it onto L4[511][511] */
+ /* Graft it onto L4[511][510] */
copy_page(level2_kernel_pgt, l2);
- /* Get [511][510] and graft that in level2_fixmap_pgt */
- l3 = m2v(pgd[pgd_index(__START_KERNEL_map + PMD_SIZE)].pgd);
- l2 = m2v(l3[pud_index(__START_KERNEL_map + PMD_SIZE)].pud);
- copy_page(level2_fixmap_pgt, l2);
- /* Note that we don't do anything with level1_fixmap_pgt which
- * we don't need. */
if (!xen_feature(XENFEAT_auto_translated_physmap)) {
/* Make pagetable pieces RO */
set_page_prot(init_level4_pgt, PAGE_KERNEL_RO);
@@ -1937,6 +1933,7 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO);
set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO);
set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO);
+ set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO);
/* Pin down new L4 */
pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-25 15:29:41 +0300