diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-06 10:29:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-06 10:29:33 -0700 |
| commit | dadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5 (patch) | |
| tree | 8dd0a19bc2fd65e05fe7678babbd9a95e53d727b /arch | |
| parent | 23c1fb52961bc24bd3a8078eefc49eed533b2b38 (diff) | |
| parent | 4b3e975e4a06f1710693c5aa51b8f98facfa9863 (diff) | |
| download | linux-stable-dadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5.tar.gz linux-stable-dadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5.tar.bz2 linux-stable-dadde13ad86bf45bc71f0663a6ce3dfe5dd4ecc5.zip | |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Fix scheduling latency issue on 24K, 34K and 74K cores
[MIPS] Add macros to encode processor revisions.
[MIPS] RM7000: Enable ICACHE_REFILLS_WORKAROUND_WAR.
[MIPS] SMTC: Fix cut'n'paste bug in Kconfig.debug
[MIPS] Change libgcc-style functions from lib-y to obj-y
[MIPS] Fix timer/performance interrupt detection
[MIPS] AP/SP: Avoid triggering the 34K E125 performance issue
[MIPS] 64-bit TO_PHYS_MASK macro for RM9000 processors
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/Kconfig.debug | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 15 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 8 | ||||
| -rw-r--r-- | arch/mips/kernel/vpe.c | 4 | ||||
| -rw-r--r-- | arch/mips/lib/Makefile | 2 |
5 files changed, 19 insertions, 12 deletions
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 72d5c198e790..3efe117721aa 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -37,7 +37,7 @@ config DEBUG_STACK_USAGE This option will slow down process creation somewhat. -config CONFIG_SMTC_IDLE_HOOK_DEBUG +config SMTC_IDLE_HOOK_DEBUG bool "Enable additional debug checks before going into CPU idle loop" depends on DEBUG_KERNEL && MIPS_MT_SMTC help diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 0fc90ba16ae1..b12eeee0e974 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -137,13 +137,24 @@ static inline void check_wait(void) case CPU_4KEC: case CPU_4KSC: case CPU_5KC: - case CPU_24K: case CPU_25KF: + case CPU_PR4450: + cpu_wait = r4k_wait; + break; + + case CPU_24K: case CPU_34K: + cpu_wait = r4k_wait; + if (read_c0_config7() & MIPS_CONF7_WII) + cpu_wait = r4k_wait_irqoff; + break; + case CPU_74K: - case CPU_PR4450: cpu_wait = r4k_wait; + if ((c->processor_id & 0xff) >= PRID_REV_ENCODE_332(2, 1, 0)) + cpu_wait = r4k_wait_irqoff; break; + case CPU_TX49XX: cpu_wait = r4k_wait_irqoff; break; diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index b1233644fcca..3ea7863c4519 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1372,12 +1372,12 @@ void __init per_cpu_trap_init(void) */ if (cpu_has_mips_r2) { cp0_compare_irq = (read_c0_intctl () >> 29) & 7; - cp0_perfcount_irq = -1; - } else { - cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; cp0_perfcount_irq = (read_c0_intctl () >> 26) & 7; - if (cp0_perfcount_irq != cp0_compare_irq) + if (cp0_perfcount_irq == cp0_compare_irq) cp0_perfcount_irq = -1; + } else { + cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; + cp0_perfcount_irq = -1; } #ifdef CONFIG_MIPS_MT_SMTC diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index c9ee9d2d5856..9e66354dee8b 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -1436,10 +1436,6 @@ static int __init vpe_module_init(void) write_vpe_c0_vpecontrol(read_vpe_c0_vpecontrol() & ~VPECONTROL_TE); if (i != 0) { - write_vpe_c0_status((read_c0_status() & - ~(ST0_IM | ST0_IE | ST0_KSU)) - | ST0_CU0); - /* * Set config to be the same as vpe0, * particularly kseg0 coherency alg diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 5dad13efba7e..1c1aa9f92f6c 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -9,4 +9,4 @@ obj-y += iomap.o obj-$(CONFIG_PCI) += iomap-pci.o # libgcc-style stuff needed in the kernel -lib-y += ashldi3.o ashrdi3.o lshrdi3.o ucmpdi2.o +obj-y += ashldi3.o ashrdi3.o lshrdi3.o ucmpdi2.o |