fix a race condition in the sched_use_tsc patch
SVN-Revision: 2483
This commit is contained in:
parent
7df44bce5f
commit
033b0b5e4d
@ -1,7 +1,7 @@
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diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
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diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
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--- linux.old/arch/mips/kernel/time.c 2005-01-19 15:09:29.000000000 +0100
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--- linux.old/arch/mips/kernel/time.c 2005-11-14 11:06:38.661262000 +0100
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+++ linux.dev/arch/mips/kernel/time.c 2005-11-09 23:10:04.233756250 +0100
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+++ linux.dev/arch/mips/kernel/time.c 2005-11-14 11:10:42.856523250 +0100
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@@ -151,6 +150,15 @@
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@@ -151,6 +151,16 @@
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unsigned int (*mips_hpt_read)(void);
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unsigned int (*mips_hpt_read)(void);
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void (*mips_hpt_init)(unsigned int);
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void (*mips_hpt_init)(unsigned int);
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@ -12,20 +12,21 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
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+
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+
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+extern __u64 get_tscll(void)
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+extern __u64 get_tscll(void)
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+{
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+{
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+ return (((__u64) timerhi) << 32) | ((__u64) ((__u32) read_c0_count()));
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+ __u32 c = read_c0_count();
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+ return ((((__u64) timerhi) + (c < timerlo)) << 32) | ((__u64) ((__u32) c));
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+}
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+}
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/*
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/*
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* timeofday services, for syscalls.
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* timeofday services, for syscalls.
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@@ -761,3 +769,5 @@
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@@ -761,3 +771,5 @@
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EXPORT_SYMBOL(to_tm);
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EXPORT_SYMBOL(to_tm);
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EXPORT_SYMBOL(rtc_set_time);
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EXPORT_SYMBOL(rtc_set_time);
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EXPORT_SYMBOL(rtc_get_time);
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EXPORT_SYMBOL(rtc_get_time);
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+EXPORT_SYMBOL(get_htscl);
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+EXPORT_SYMBOL(get_htscl);
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+EXPORT_SYMBOL(get_tscll);
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+EXPORT_SYMBOL(get_tscll);
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diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
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diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
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--- linux.old/include/asm-mips/timex.h 2003-08-25 13:44:44.000000000 +0200
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--- linux.old/include/asm-mips/timex.h 2005-11-14 11:06:38.685263500 +0100
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+++ linux.dev/include/asm-mips/timex.h 2005-11-09 22:15:59.352633250 +0100
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+++ linux.dev/include/asm-mips/timex.h 2005-11-14 11:02:21.069163500 +0100
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@@ -31,6 +31,19 @@
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@@ -31,6 +31,19 @@
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return read_c0_count();
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return read_c0_count();
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}
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}
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@ -47,8 +48,8 @@ diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
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#define vxtime_unlock() do {} while (0)
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#define vxtime_unlock() do {} while (0)
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diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h
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diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h
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--- linux.old/include/net/pkt_sched.h 2005-11-09 21:25:10.686721000 +0100
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--- linux.old/include/net/pkt_sched.h 2005-11-14 11:06:38.709265000 +0100
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+++ linux.dev/include/net/pkt_sched.h 2005-11-09 21:54:26.063807750 +0100
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+++ linux.dev/include/net/pkt_sched.h 2005-11-14 11:02:21.069163500 +0100
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@@ -5,7 +5,11 @@
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@@ -5,7 +5,11 @@
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#define PSCHED_JIFFIES 2
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#define PSCHED_JIFFIES 2
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#define PSCHED_CPU 3
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#define PSCHED_CPU 3
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@ -1,7 +1,7 @@
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diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
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diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
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--- linux.old/arch/mips/kernel/time.c 2005-01-19 15:09:29.000000000 +0100
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--- linux.old/arch/mips/kernel/time.c 2005-11-14 11:06:38.661262000 +0100
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+++ linux.dev/arch/mips/kernel/time.c 2005-11-09 23:10:04.233756250 +0100
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+++ linux.dev/arch/mips/kernel/time.c 2005-11-14 11:10:42.856523250 +0100
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@@ -151,6 +150,15 @@
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@@ -151,6 +151,16 @@
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unsigned int (*mips_hpt_read)(void);
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unsigned int (*mips_hpt_read)(void);
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void (*mips_hpt_init)(unsigned int);
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void (*mips_hpt_init)(unsigned int);
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@ -12,20 +12,21 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c
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+
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+
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+extern __u64 get_tscll(void)
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+extern __u64 get_tscll(void)
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+{
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+{
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+ return (((__u64) timerhi) << 32) | ((__u64) ((__u32) read_c0_count()));
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+ __u32 c = read_c0_count();
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+ return ((((__u64) timerhi) + (c < timerlo)) << 32) | ((__u64) ((__u32) c));
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+}
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+}
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/*
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/*
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* timeofday services, for syscalls.
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* timeofday services, for syscalls.
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@@ -761,3 +769,5 @@
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@@ -761,3 +771,5 @@
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EXPORT_SYMBOL(to_tm);
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EXPORT_SYMBOL(to_tm);
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EXPORT_SYMBOL(rtc_set_time);
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EXPORT_SYMBOL(rtc_set_time);
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EXPORT_SYMBOL(rtc_get_time);
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EXPORT_SYMBOL(rtc_get_time);
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+EXPORT_SYMBOL(get_htscl);
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+EXPORT_SYMBOL(get_htscl);
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+EXPORT_SYMBOL(get_tscll);
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+EXPORT_SYMBOL(get_tscll);
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diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
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diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
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--- linux.old/include/asm-mips/timex.h 2003-08-25 13:44:44.000000000 +0200
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--- linux.old/include/asm-mips/timex.h 2005-11-14 11:06:38.685263500 +0100
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+++ linux.dev/include/asm-mips/timex.h 2005-11-09 22:15:59.352633250 +0100
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+++ linux.dev/include/asm-mips/timex.h 2005-11-14 11:02:21.069163500 +0100
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@@ -31,6 +31,19 @@
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@@ -31,6 +31,19 @@
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return read_c0_count();
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return read_c0_count();
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}
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}
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@ -47,8 +48,8 @@ diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h
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#define vxtime_unlock() do {} while (0)
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#define vxtime_unlock() do {} while (0)
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diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h
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diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h
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--- linux.old/include/net/pkt_sched.h 2005-11-09 21:25:10.686721000 +0100
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--- linux.old/include/net/pkt_sched.h 2005-11-14 11:06:38.709265000 +0100
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+++ linux.dev/include/net/pkt_sched.h 2005-11-09 21:54:26.063807750 +0100
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+++ linux.dev/include/net/pkt_sched.h 2005-11-14 11:02:21.069163500 +0100
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@@ -5,7 +5,11 @@
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@@ -5,7 +5,11 @@
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#define PSCHED_JIFFIES 2
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#define PSCHED_JIFFIES 2
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#define PSCHED_CPU 3
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#define PSCHED_CPU 3
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