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-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/common/Makefile1
-rw-r--r--arch/arm/include/asm/thread_notify.h1
-rw-r--r--arch/arm/kernel/Makefile2
-rw-r--r--arch/arm/kernel/hw_breakpoint.c7
-rw-r--r--arch/arm/kernel/perf_event.c2
-rw-r--r--arch/arm/kernel/process.c2
-rw-r--r--arch/arm/mm/proc-arm920.S2
-rw-r--r--arch/arm/mm/proc-arm926.S2
-rw-r--r--arch/arm/mm/proc-sa1100.S2
-rw-r--r--arch/arm/mm/proc-v6.S2
-rw-r--r--arch/arm/mm/proc-v7.S2
-rw-r--r--arch/arm/mm/proc-xsc3.S2
-rw-r--r--arch/arm/mm/proc-xscale.S2
-rw-r--r--arch/arm/vfp/vfpmodule.c34
15 files changed, 48 insertions, 18 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fdc9d4dbf85..377a7a595b0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1540,7 +1540,6 @@ config HIGHMEM
config HIGHPTE
bool "Allocate 2nd-level pagetables from highmem"
depends on HIGHMEM
- depends on !OUTER_CACHE
config HW_PERF_EVENTS
bool "Enable hardware performance counter support for perf events"
@@ -2012,6 +2011,8 @@ source "kernel/power/Kconfig"
config ARCH_SUSPEND_POSSIBLE
depends on !ARCH_S5P64X0 && !ARCH_S5P6442
+ depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
+ CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
def_bool y
endmenu
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index e7521bca2c3..6ea9b6f3607 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -16,5 +16,4 @@ obj-$(CONFIG_SHARP_SCOOP) += scoop.o
obj-$(CONFIG_ARCH_IXP2000) += uengine.o
obj-$(CONFIG_ARCH_IXP23XX) += uengine.o
obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o
-obj-$(CONFIG_COMMON_CLKDEV) += clkdev.o
obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o
diff --git a/arch/arm/include/asm/thread_notify.h b/arch/arm/include/asm/thread_notify.h
index c4391ba2035..1dc98067589 100644
--- a/arch/arm/include/asm/thread_notify.h
+++ b/arch/arm/include/asm/thread_notify.h
@@ -43,6 +43,7 @@ static inline void thread_notify(unsigned long rc, struct thread_info *thread)
#define THREAD_NOTIFY_FLUSH 0
#define THREAD_NOTIFY_EXIT 1
#define THREAD_NOTIFY_SWITCH 2
+#define THREAD_NOTIFY_COPY 3
#endif
#endif
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 74554f1742d..8d95446150a 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -29,7 +29,7 @@ obj-$(CONFIG_MODULES) += armksyms.o module.o
obj-$(CONFIG_ARTHUR) += arthur.o
obj-$(CONFIG_ISA_DMA) += dma-isa.o
obj-$(CONFIG_PCI) += bios32.o isa.o
-obj-$(CONFIG_PM) += sleep.o
+obj-$(CONFIG_PM_SLEEP) += sleep.o
obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o
obj-$(CONFIG_SMP) += smp.o smp_tlb.o
obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 8dbc126f715..87acc25d7a3 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -868,6 +868,13 @@ static void reset_ctrl_regs(void *info)
*/
asm volatile("mcr p14, 0, %0, c1, c0, 4" : : "r" (0));
isb();
+
+ /*
+ * Clear any configured vector-catch events before
+ * enabling monitor mode.
+ */
+ asm volatile("mcr p14, 0, %0, c0, c7, 0" : : "r" (0));
+ isb();
}
if (enable_monitor_mode())
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 69cfee0fe00..979da3947f4 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -221,7 +221,7 @@ again:
prev_raw_count &= armpmu->max_period;
if (overflow)
- delta = armpmu->max_period - prev_raw_count + new_raw_count;
+ delta = armpmu->max_period - prev_raw_count + new_raw_count + 1;
else
delta = new_raw_count - prev_raw_count;
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 94bbedbed63..5e1e5419722 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -372,6 +372,8 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start,
if (clone_flags & CLONE_SETTLS)
thread->tp_value = regs->ARM_r3;
+ thread_notify(THREAD_NOTIFY_COPY, thread);
+
return 0;
}
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index b46eb21f05c..bf8a1d1cccb 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -390,7 +390,7 @@ ENTRY(cpu_arm920_set_pte_ext)
/* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
.globl cpu_arm920_suspend_size
.equ cpu_arm920_suspend_size, 4 * 3
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_arm920_do_suspend)
stmfd sp!, {r4 - r7, lr}
mrc p15, 0, r4, c13, c0, 0 @ PID
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 6a4bdb2c94a..0ed85d930c0 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -404,7 +404,7 @@ ENTRY(cpu_arm926_set_pte_ext)
/* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
.globl cpu_arm926_suspend_size
.equ cpu_arm926_suspend_size, 4 * 3
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_arm926_do_suspend)
stmfd sp!, {r4 - r7, lr}
mrc p15, 0, r4, c13, c0, 0 @ PID
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 74483d1977f..184a9c997e3 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -171,7 +171,7 @@ ENTRY(cpu_sa1100_set_pte_ext)
.globl cpu_sa1100_suspend_size
.equ cpu_sa1100_suspend_size, 4*4
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_sa1100_do_suspend)
stmfd sp!, {r4 - r7, lr}
mrc p15, 0, r4, c3, c0, 0 @ domain ID
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index bfa0c9f611c..7c99cb4c8e4 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -124,7 +124,7 @@ ENTRY(cpu_v6_set_pte_ext)
/* Suspend/resume support: taken from arch/arm/mach-s3c64xx/sleep.S */
.globl cpu_v6_suspend_size
.equ cpu_v6_suspend_size, 4 * 8
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_v6_do_suspend)
stmfd sp!, {r4 - r11, lr}
mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index c35618e42f6..babfba09c89 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -211,7 +211,7 @@ cpu_v7_name:
/* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */
.globl cpu_v7_suspend_size
.equ cpu_v7_suspend_size, 4 * 8
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_v7_do_suspend)
stmfd sp!, {r4 - r11, lr}
mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 63d8b2044e8..596213699f3 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -417,7 +417,7 @@ ENTRY(cpu_xsc3_set_pte_ext)
.globl cpu_xsc3_suspend_size
.equ cpu_xsc3_suspend_size, 4 * 8
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_xsc3_do_suspend)
stmfd sp!, {r4 - r10, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 086038cd86a..ce233bcbf50 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -518,7 +518,7 @@ ENTRY(cpu_xscale_set_pte_ext)
.globl cpu_xscale_suspend_size
.equ cpu_xscale_suspend_size, 4 * 7
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_xscale_do_suspend)
stmfd sp!, {r4 - r10, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index bbf3da012af..f74695075e6 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -78,6 +78,14 @@ static void vfp_thread_exit(struct thread_info *thread)
put_cpu();
}
+static void vfp_thread_copy(struct thread_info *thread)
+{
+ struct thread_info *parent = current_thread_info();
+
+ vfp_sync_hwstate(parent);
+ thread->vfpstate = parent->vfpstate;
+}
+
/*
* When this function is called with the following 'cmd's, the following
* is true while this function is being run:
@@ -104,12 +112,17 @@ static void vfp_thread_exit(struct thread_info *thread)
static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
{
struct thread_info *thread = v;
+ u32 fpexc;
+#ifdef CONFIG_SMP
+ unsigned int cpu;
+#endif
- if (likely(cmd == THREAD_NOTIFY_SWITCH)) {
- u32 fpexc = fmrx(FPEXC);
+ switch (cmd) {
+ case THREAD_NOTIFY_SWITCH:
+ fpexc = fmrx(FPEXC);
#ifdef CONFIG_SMP
- unsigned int cpu = thread->cpu;
+ cpu = thread->cpu;
/*
* On SMP, if VFP is enabled, save the old state in
@@ -134,13 +147,20 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
* old state.
*/
fmxr(FPEXC, fpexc & ~FPEXC_EN);
- return NOTIFY_DONE;
- }
+ break;
- if (cmd == THREAD_NOTIFY_FLUSH)
+ case THREAD_NOTIFY_FLUSH:
vfp_thread_flush(thread);
- else
+ break;
+
+ case THREAD_NOTIFY_EXIT:
vfp_thread_exit(thread);
+ break;
+
+ case THREAD_NOTIFY_COPY:
+ vfp_thread_copy(thread);
+ break;
+ }
return NOTIFY_DONE;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 08:31:07 +0000