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authorIngo Molnar <mingo@elte.hu>2008-09-10 05:32:52 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-10 05:32:52 -0400
commite92b4fdacc6a7d8cc7895b81347671d5fcd6c5e1 (patch)
tree4f84567261682d8ec2ad4102bce1ff970a6eed1a /include/asm-generic
parent9fcaff0e660d886e9a766460adbe558dd25de31b (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
Merge commit 'v2.6.27-rc6' into x86/iommu
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/Kbuild.asm6
-rw-r--r--include/asm-generic/rtc.h12
-rw-r--r--include/asm-generic/sections.h6
-rw-r--r--include/asm-generic/syscall.h2
4 files changed, 15 insertions, 11 deletions
diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm
index 1170dc60e638..1870d5e05f1c 100644
--- a/include/asm-generic/Kbuild.asm
+++ b/include/asm-generic/Kbuild.asm
@@ -1,8 +1,10 @@
1ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/kvm.h),) 1ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm.h \
2 $(srctree)/include/asm-$(SRCARCH)/kvm.h),)
2header-y += kvm.h 3header-y += kvm.h
3endif 4endif
4 5
5ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/a.out.h),) 6ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/a.out.h \
7 $(srctree)/include/asm-$(SRCARCH)/a.out.h),)
6unifdef-y += a.out.h 8unifdef-y += a.out.h
7endif 9endif
8unifdef-y += auxvec.h 10unifdef-y += auxvec.h
diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h
index be4af0029ac0..71ef3f0b9685 100644
--- a/include/asm-generic/rtc.h
+++ b/include/asm-generic/rtc.h
@@ -15,6 +15,7 @@
15#include <linux/mc146818rtc.h> 15#include <linux/mc146818rtc.h>
16#include <linux/rtc.h> 16#include <linux/rtc.h>
17#include <linux/bcd.h> 17#include <linux/bcd.h>
18#include <linux/delay.h>
18 19
19#define RTC_PIE 0x40 /* periodic interrupt enable */ 20#define RTC_PIE 0x40 /* periodic interrupt enable */
20#define RTC_AIE 0x20 /* alarm interrupt enable */ 21#define RTC_AIE 0x20 /* alarm interrupt enable */
@@ -43,7 +44,6 @@ static inline unsigned char rtc_is_updating(void)
43 44
44static inline unsigned int get_rtc_time(struct rtc_time *time) 45static inline unsigned int get_rtc_time(struct rtc_time *time)
45{ 46{
46 unsigned long uip_watchdog = jiffies;
47 unsigned char ctrl; 47 unsigned char ctrl;
48 unsigned long flags; 48 unsigned long flags;
49 49
@@ -53,19 +53,15 @@ static inline unsigned int get_rtc_time(struct rtc_time *time)
53 53
54 /* 54 /*
55 * read RTC once any update in progress is done. The update 55 * read RTC once any update in progress is done. The update
56 * can take just over 2ms. We wait 10 to 20ms. There is no need to 56 * can take just over 2ms. We wait 20ms. There is no need to
57 * to poll-wait (up to 1s - eeccch) for the falling edge of RTC_UIP. 57 * to poll-wait (up to 1s - eeccch) for the falling edge of RTC_UIP.
58 * If you need to know *exactly* when a second has started, enable 58 * If you need to know *exactly* when a second has started, enable
59 * periodic update complete interrupts, (via ioctl) and then 59 * periodic update complete interrupts, (via ioctl) and then
60 * immediately read /dev/rtc which will block until you get the IRQ. 60 * immediately read /dev/rtc which will block until you get the IRQ.
61 * Once the read clears, read the RTC time (again via ioctl). Easy. 61 * Once the read clears, read the RTC time (again via ioctl). Easy.
62 */ 62 */
63 63 if (rtc_is_updating())
64 if (rtc_is_updating() != 0) 64 mdelay(20);
65 while (jiffies - uip_watchdog < 2*HZ/100) {
66 barrier();
67 cpu_relax();
68 }
69 65
70 /* 66 /*
71 * Only the values that we read from the RTC are set. We leave 67 * Only the values that we read from the RTC are set. We leave
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index 8feeae1f2369..79a7ff925bf8 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -14,4 +14,10 @@ extern char __kprobes_text_start[], __kprobes_text_end[];
14extern char __initdata_begin[], __initdata_end[]; 14extern char __initdata_begin[], __initdata_end[];
15extern char __start_rodata[], __end_rodata[]; 15extern char __start_rodata[], __end_rodata[];
16 16
17/* function descriptor handling (if any). Override
18 * in asm/sections.h */
19#ifndef dereference_function_descriptor
20#define dereference_function_descriptor(p) (p)
21#endif
22
17#endif /* _ASM_GENERIC_SECTIONS_H_ */ 23#endif /* _ASM_GENERIC_SECTIONS_H_ */
diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h
index abcf34c2fdc7..ea8087b55ffc 100644
--- a/include/asm-generic/syscall.h
+++ b/include/asm-generic/syscall.h
@@ -126,7 +126,7 @@ void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
126 * @args: array of argument values to store 126 * @args: array of argument values to store
127 * 127 *
128 * Changes @n arguments to the system call starting with the @i'th argument. 128 * Changes @n arguments to the system call starting with the @i'th argument.
129 * @n'th argument to @val. Argument @i gets value @args[0], and so on. 129 * Argument @i gets value @args[0], and so on.
130 * An arch inline version is probably optimal when @i and @n are constants. 130 * An arch inline version is probably optimal when @i and @n are constants.
131 * 131 *
132 * It's only valid to call this when @task is stopped for tracing on 132 * It's only valid to call this when @task is stopped for tracing on