diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2005-11-14 10:52:06 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2005-11-14 10:52:06 +0000 |
| commit | 8c87fd5df0ea2627fa612fda7cf71f107201ddc4 (patch) | |
| tree | ae92f82cd01959fb60e8fd0d4c100ed696b2172a | |
| parent | 73a24828b1df8505a211a9370fb4de7ab6b92a15 (diff) | |
fix a race condition in the sched_use_tsc patch
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2483 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/linux-2.4/patches/ar7/006-sched_use_tsc.patch | 19 | ||||
| -rw-r--r-- | target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch | 19 |
2 files changed, 20 insertions, 18 deletions
diff --git a/target/linux/linux-2.4/patches/ar7/006-sched_use_tsc.patch b/target/linux/linux-2.4/patches/ar7/006-sched_use_tsc.patch index 047ae16e2c..73d177b10f 100644 --- a/target/linux/linux-2.4/patches/ar7/006-sched_use_tsc.patch +++ b/target/linux/linux-2.4/patches/ar7/006-sched_use_tsc.patch @@ -1,7 +1,7 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c ---- linux.old/arch/mips/kernel/time.c 2005-01-19 15:09:29.000000000 +0100 -+++ linux.dev/arch/mips/kernel/time.c 2005-11-09 23:10:04.233756250 +0100 -@@ -151,6 +150,15 @@ +--- linux.old/arch/mips/kernel/time.c 2005-11-14 11:06:38.661262000 +0100 ++++ linux.dev/arch/mips/kernel/time.c 2005-11-14 11:10:42.856523250 +0100 +@@ -151,6 +151,16 @@ unsigned int (*mips_hpt_read)(void); void (*mips_hpt_init)(unsigned int); @@ -12,20 +12,21 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c + +extern __u64 get_tscll(void) +{ -+ return (((__u64) timerhi) << 32) | ((__u64) ((__u32) read_c0_count())); ++ __u32 c = read_c0_count(); ++ return ((((__u64) timerhi) + (c < timerlo)) << 32) | ((__u64) ((__u32) c)); +} /* * timeofday services, for syscalls. -@@ -761,3 +769,5 @@ +@@ -761,3 +771,5 @@ EXPORT_SYMBOL(to_tm); EXPORT_SYMBOL(rtc_set_time); EXPORT_SYMBOL(rtc_get_time); +EXPORT_SYMBOL(get_htscl); +EXPORT_SYMBOL(get_tscll); diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h ---- linux.old/include/asm-mips/timex.h 2003-08-25 13:44:44.000000000 +0200 -+++ linux.dev/include/asm-mips/timex.h 2005-11-09 22:15:59.352633250 +0100 +--- linux.old/include/asm-mips/timex.h 2005-11-14 11:06:38.685263500 +0100 ++++ linux.dev/include/asm-mips/timex.h 2005-11-14 11:02:21.069163500 +0100 @@ -31,6 +31,19 @@ return read_c0_count(); } @@ -47,8 +48,8 @@ diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h #define vxtime_unlock() do {} while (0) diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h ---- linux.old/include/net/pkt_sched.h 2005-11-09 21:25:10.686721000 +0100 -+++ linux.dev/include/net/pkt_sched.h 2005-11-09 21:54:26.063807750 +0100 +--- linux.old/include/net/pkt_sched.h 2005-11-14 11:06:38.709265000 +0100 ++++ linux.dev/include/net/pkt_sched.h 2005-11-14 11:02:21.069163500 +0100 @@ -5,7 +5,11 @@ #define PSCHED_JIFFIES 2 #define PSCHED_CPU 3 diff --git a/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch b/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch index 047ae16e2c..73d177b10f 100644 --- a/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch +++ b/target/linux/linux-2.4/patches/brcm/007-sched_use_tsc.patch @@ -1,7 +1,7 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c ---- linux.old/arch/mips/kernel/time.c 2005-01-19 15:09:29.000000000 +0100 -+++ linux.dev/arch/mips/kernel/time.c 2005-11-09 23:10:04.233756250 +0100 -@@ -151,6 +150,15 @@ +--- linux.old/arch/mips/kernel/time.c 2005-11-14 11:06:38.661262000 +0100 ++++ linux.dev/arch/mips/kernel/time.c 2005-11-14 11:10:42.856523250 +0100 +@@ -151,6 +151,16 @@ unsigned int (*mips_hpt_read)(void); void (*mips_hpt_init)(unsigned int); @@ -12,20 +12,21 @@ diff -urN linux.old/arch/mips/kernel/time.c linux.dev/arch/mips/kernel/time.c + +extern __u64 get_tscll(void) +{ -+ return (((__u64) timerhi) << 32) | ((__u64) ((__u32) read_c0_count())); ++ __u32 c = read_c0_count(); ++ return ((((__u64) timerhi) + (c < timerlo)) << 32) | ((__u64) ((__u32) c)); +} /* * timeofday services, for syscalls. -@@ -761,3 +769,5 @@ +@@ -761,3 +771,5 @@ EXPORT_SYMBOL(to_tm); EXPORT_SYMBOL(rtc_set_time); EXPORT_SYMBOL(rtc_get_time); +EXPORT_SYMBOL(get_htscl); +EXPORT_SYMBOL(get_tscll); diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h ---- linux.old/include/asm-mips/timex.h 2003-08-25 13:44:44.000000000 +0200 -+++ linux.dev/include/asm-mips/timex.h 2005-11-09 22:15:59.352633250 +0100 +--- linux.old/include/asm-mips/timex.h 2005-11-14 11:06:38.685263500 +0100 ++++ linux.dev/include/asm-mips/timex.h 2005-11-14 11:02:21.069163500 +0100 @@ -31,6 +31,19 @@ return read_c0_count(); } @@ -47,8 +48,8 @@ diff -urN linux.old/include/asm-mips/timex.h linux.dev/include/asm-mips/timex.h #define vxtime_unlock() do {} while (0) diff -urN linux.old/include/net/pkt_sched.h linux.dev/include/net/pkt_sched.h ---- linux.old/include/net/pkt_sched.h 2005-11-09 21:25:10.686721000 +0100 -+++ linux.dev/include/net/pkt_sched.h 2005-11-09 21:54:26.063807750 +0100 +--- linux.old/include/net/pkt_sched.h 2005-11-14 11:06:38.709265000 +0100 ++++ linux.dev/include/net/pkt_sched.h 2005-11-14 11:02:21.069163500 +0100 @@ -5,7 +5,11 @@ #define PSCHED_JIFFIES 2 #define PSCHED_CPU 3 |