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Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 9ad2acaaae9b..355d38c0cf60 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -164,7 +164,8 @@ enum cpuid_regs_idx {
#define X86_VENDOR_NSC 8
#define X86_VENDOR_HYGON 9
#define X86_VENDOR_ZHAOXIN 10
-#define X86_VENDOR_NUM 11
+#define X86_VENDOR_VORTEX 11
+#define X86_VENDOR_NUM 12
#define X86_VENDOR_UNKNOWN 0xff
@@ -461,9 +462,6 @@ DECLARE_PER_CPU(struct irq_stack *, hardirq_stack_ptr);
DECLARE_PER_CPU(struct irq_stack *, softirq_stack_ptr);
#endif /* !X86_64 */
-extern unsigned int fpu_kernel_xstate_size;
-extern unsigned int fpu_user_xstate_size;
-
struct perf_event;
struct thread_struct {
@@ -518,6 +516,7 @@ struct thread_struct {
*/
unsigned long iopl_emul;
+ unsigned int iopl_warn:1;
unsigned int sig_on_uaccess_err:1;
/*
@@ -537,12 +536,12 @@ struct thread_struct {
*/
};
-/* Whitelist the FPU state from the task_struct for hardened usercopy. */
+extern void fpu_thread_struct_whitelist(unsigned long *offset, unsigned long *size);
+
static inline void arch_thread_struct_whitelist(unsigned long *offset,
unsigned long *size)
{
- *offset = offsetof(struct thread_struct, fpu.state);
- *size = fpu_kernel_xstate_size;
+ fpu_thread_struct_whitelist(offset, size);
}
static inline void
@@ -589,7 +588,7 @@ static inline void load_sp0(unsigned long sp0)
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
-unsigned long get_wchan(struct task_struct *p);
+unsigned long __get_wchan(struct task_struct *p);
/*
* Generic CPUID function
@@ -807,11 +806,14 @@ static inline u32 amd_get_nodes_per_socket(void) { return 0; }
static inline u32 amd_get_highest_perf(void) { return 0; }
#endif
+#define for_each_possible_hypervisor_cpuid_base(function) \
+ for (function = 0x40000000; function < 0x40010000; function += 0x100)
+
static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves)
{
uint32_t base, eax, signature[3];
- for (base = 0x40000000; base < 0x40010000; base += 0x100) {
+ for_each_possible_hypervisor_cpuid_base(base) {
cpuid(base, &eax, &signature[0], &signature[1], &signature[2]);
if (!memcmp(sig, signature, 12) &&