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-rw-r--r--arch/x86/include/asm/Kbuild1
-rw-r--r--arch/x86/include/asm/cpufeature.h4
-rw-r--r--arch/x86/include/asm/cputime.h1
-rw-r--r--arch/x86/include/asm/floppy.h4
-rw-r--r--arch/x86/include/asm/hardirq.h3
-rw-r--r--arch/x86/include/asm/mshyperv.h4
-rw-r--r--arch/x86/include/asm/processor.h9
-rw-r--r--arch/x86/include/asm/thread_info.h53
-rw-r--r--arch/x86/include/asm/unistd.h3
9 files changed, 28 insertions, 54 deletions
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index a8fee078b92f..4acddc43ee0c 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -5,4 +5,5 @@ genhdr-y += unistd_64.h
genhdr-y += unistd_x32.h
generic-y += clkdev.h
+generic-y += cputime.h
generic-y += mcs_spinlock.h
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index bc507d7640f8..63211ef5046a 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -37,7 +37,7 @@
#define X86_FEATURE_PAT (0*32+16) /* Page Attribute Table */
#define X86_FEATURE_PSE36 (0*32+17) /* 36-bit PSEs */
#define X86_FEATURE_PN (0*32+18) /* Processor serial number */
-#define X86_FEATURE_CLFLSH (0*32+19) /* "clflush" CLFLUSH instruction */
+#define X86_FEATURE_CLFLUSH (0*32+19) /* CLFLUSH instruction */
#define X86_FEATURE_DS (0*32+21) /* "dts" Debug Store */
#define X86_FEATURE_ACPI (0*32+22) /* ACPI via MSR */
#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
@@ -318,7 +318,7 @@ extern const char * const x86_power_flags[32];
#define cpu_has_pmm_enabled boot_cpu_has(X86_FEATURE_PMM_EN)
#define cpu_has_ds boot_cpu_has(X86_FEATURE_DS)
#define cpu_has_pebs boot_cpu_has(X86_FEATURE_PEBS)
-#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH)
+#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH)
#define cpu_has_bts boot_cpu_has(X86_FEATURE_BTS)
#define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES)
#define cpu_has_arch_perfmon boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
diff --git a/arch/x86/include/asm/cputime.h b/arch/x86/include/asm/cputime.h
deleted file mode 100644
index 6d68ad7e0ea3..000000000000
--- a/arch/x86/include/asm/cputime.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/cputime.h>
diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h
index d3d74698dce9..1c7eefe32502 100644
--- a/arch/x86/include/asm/floppy.h
+++ b/arch/x86/include/asm/floppy.h
@@ -145,10 +145,10 @@ static int fd_request_irq(void)
{
if (can_use_virtual_dma)
return request_irq(FLOPPY_IRQ, floppy_hardint,
- IRQF_DISABLED, "floppy", NULL);
+ 0, "floppy", NULL);
else
return request_irq(FLOPPY_IRQ, floppy_interrupt,
- IRQF_DISABLED, "floppy", NULL);
+ 0, "floppy", NULL);
}
static unsigned long dma_mem_alloc(unsigned long size)
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index ab0ae1aa6d0a..230853da4ec0 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -33,6 +33,9 @@ typedef struct {
#ifdef CONFIG_X86_MCE_THRESHOLD
unsigned int irq_threshold_count;
#endif
+#if IS_ENABLED(CONFIG_HYPERV) || defined(CONFIG_XEN)
+ unsigned int irq_hv_callback_count;
+#endif
} ____cacheline_aligned irq_cpustat_t;
DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index cd9c41938b8a..c163215abb9a 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -2,6 +2,7 @@
#define _ASM_X86_MSHYPER_H
#include <linux/types.h>
+#include <linux/interrupt.h>
#include <asm/hyperv.h>
struct ms_hyperv_info {
@@ -16,6 +17,7 @@ void hyperv_callback_vector(void);
#define trace_hyperv_callback_vector hyperv_callback_vector
#endif
void hyperv_vector_handler(struct pt_regs *regs);
-void hv_register_vmbus_handler(int irq, irq_handler_t handler);
+void hv_setup_vmbus_irq(void (*handler)(void));
+void hv_remove_vmbus_irq(void);
#endif
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index fdedd38fd0fc..a4ea02351f4d 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -449,6 +449,15 @@ struct stack_canary {
};
DECLARE_PER_CPU_ALIGNED(struct stack_canary, stack_canary);
#endif
+/*
+ * per-CPU IRQ handling stacks
+ */
+struct irq_stack {
+ u32 stack[THREAD_SIZE/sizeof(u32)];
+} __aligned(THREAD_SIZE);
+
+DECLARE_PER_CPU(struct irq_stack *, hardirq_stack);
+DECLARE_PER_CPU(struct irq_stack *, softirq_stack);
#endif /* X86_64 */
extern unsigned int xstate_size;
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index e1940c06ed02..47e5de25ba79 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -9,6 +9,7 @@
#include <linux/compiler.h>
#include <asm/page.h>
+#include <asm/percpu.h>
#include <asm/types.h>
/*
@@ -32,12 +33,6 @@ struct thread_info {
mm_segment_t addr_limit;
struct restart_block restart_block;
void __user *sysenter_return;
-#ifdef CONFIG_X86_32
- unsigned long previous_esp; /* ESP of the previous stack in
- case of nested (IRQ) stacks
- */
- __u8 supervisor_stack[0];
-#endif
unsigned int sig_on_uaccess_error:1;
unsigned int uaccess_err:1; /* uaccess failed */
};
@@ -153,9 +148,9 @@ struct thread_info {
#define _TIF_WORK_CTXSW_PREV (_TIF_WORK_CTXSW|_TIF_USER_RETURN_NOTIFY)
#define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW)
-#ifdef CONFIG_X86_32
+#define STACK_WARN (THREAD_SIZE/8)
+#define KERNEL_STACK_OFFSET (5*(BITS_PER_LONG/8))
-#define STACK_WARN (THREAD_SIZE/8)
/*
* macros/functions for gaining access to the thread information structure
*
@@ -163,42 +158,6 @@ struct thread_info {
*/
#ifndef __ASSEMBLY__
-#define current_stack_pointer ({ \
- unsigned long sp; \
- asm("mov %%esp,%0" : "=g" (sp)); \
- sp; \
-})
-
-/* how to get the thread information struct from C */
-static inline struct thread_info *current_thread_info(void)
-{
- return (struct thread_info *)
- (current_stack_pointer & ~(THREAD_SIZE - 1));
-}
-
-#else /* !__ASSEMBLY__ */
-
-/* how to get the thread information struct from ASM */
-#define GET_THREAD_INFO(reg) \
- movl $-THREAD_SIZE, reg; \
- andl %esp, reg
-
-/* use this one if reg already contains %esp */
-#define GET_THREAD_INFO_WITH_ESP(reg) \
- andl $-THREAD_SIZE, reg
-
-#endif
-
-#else /* X86_32 */
-
-#include <asm/percpu.h>
-#define KERNEL_STACK_OFFSET (5*8)
-
-/*
- * macros/functions for gaining access to the thread information structure
- * preempt_count needs to be 1 initially, until the scheduler is functional.
- */
-#ifndef __ASSEMBLY__
DECLARE_PER_CPU(unsigned long, kernel_stack);
static inline struct thread_info *current_thread_info(void)
@@ -213,8 +172,8 @@ static inline struct thread_info *current_thread_info(void)
/* how to get the thread information struct from ASM */
#define GET_THREAD_INFO(reg) \
- movq PER_CPU_VAR(kernel_stack),reg ; \
- subq $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg
+ _ASM_MOV PER_CPU_VAR(kernel_stack),reg ; \
+ _ASM_SUB $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg ;
/*
* Same if PER_CPU_VAR(kernel_stack) is, perhaps with some offset, already in
@@ -224,8 +183,6 @@ static inline struct thread_info *current_thread_info(void)
#endif
-#endif /* !X86_32 */
-
/*
* Thread-synchronous status.
*
diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h
index c2a48139c340..3f556c6a0157 100644
--- a/arch/x86/include/asm/unistd.h
+++ b/arch/x86/include/asm/unistd.h
@@ -23,6 +23,9 @@
# include <asm/unistd_64.h>
# include <asm/unistd_64_x32.h>
# define __ARCH_WANT_COMPAT_SYS_TIME
+# define __ARCH_WANT_COMPAT_SYS_GETDENTS64
+# define __ARCH_WANT_COMPAT_SYS_PREADV64
+# define __ARCH_WANT_COMPAT_SYS_PWRITEV64
# endif