From: Linus Torvalds Date: Mon, 26 Jun 2006 17:51:09 +0000 (-0700) Subject: Merge branch 'x86-64' X-Git-Tag: v2.6.18-rc1~612 X-Git-Url: http://git.rot13.org/?a=commitdiff_plain;h=81a07d7588d376c530d006e24d7981304ce96e16;p=powerpc.git Merge branch 'x86-64' * x86-64: (83 commits) [PATCH] x86_64: x86_64 stack usage debugging [PATCH] x86_64: (resend) x86_64 stack overflow debugging [PATCH] x86_64: msi_apic.c build fix [PATCH] x86_64: i386/x86-64 Add nmi watchdog support for new Intel CPUs [PATCH] x86_64: Avoid broadcasting NMI IPIs [PATCH] x86_64: fix apic error on bootup [PATCH] x86_64: enlarge window for stack growth [PATCH] x86_64: Minor string functions optimizations [PATCH] x86_64: Move export symbols to their C functions [PATCH] x86_64: Standardize i386/x86_64 handling of NMI_VECTOR [PATCH] x86_64: Fix modular pc speaker [PATCH] x86_64: remove sys32_ni_syscall() [PATCH] x86_64: Do not use -ffunction-sections for modules [PATCH] x86_64: Add cpu_relax to apic_wait_icr_idle [PATCH] x86_64: adjust kstack_depth_to_print default [PATCH] i386/x86-64: adjust /proc/interrupts column headings [PATCH] x86_64: Fix race in cpu_local_* on preemptible kernels [PATCH] x86_64: Fix fast check in safe_smp_processor_id [PATCH] x86_64: x86_64 setup.c - printing cmp related boottime information [PATCH] i386/x86-64/ia64: Move polling flag into thread_info_status ... Manual resolve of trivial conflict in arch/i386/kernel/Makefile --- 81a07d7588d376c530d006e24d7981304ce96e16 diff --cc arch/i386/Kconfig index 374fb50608,0f8da3bea1..f3eaf22f27 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@@ -1050,24 -1055,18 +1059,28 @@@ config SCx20 tristate "NatSemi SCx200 support" depends on !X86_VOYAGER help - This provides basic support for the National Semiconductor SCx200 - processor. Right now this is just a driver for the GPIO pins. + This provides basic support for National Semiconductor's + (now AMD's) Geode processors. The driver probes for the + PCI-IDs of several on-chip devices, so its a good dependency + for other scx200_* drivers. - If you don't know what to do here, say N. + If compiled as a module, the driver is named scx200. - This support is also available as a module. If compiled as a - module, it will be called scx200. +config SCx200HR_TIMER + tristate "NatSemi SCx200 27MHz High-Resolution Timer Support" + depends on SCx200 && GENERIC_TIME + default y + help + This driver provides a clocksource built upon the on-chip + 27MHz high-resolution timer. Its also a workaround for + NSC Geode SC-1100's buggy TSC, which loses time when the + processor goes idle (as is done by the scheduler). The + other workaround is idle=poll boot option. + config K8_NB + def_bool y + depends on AGP_AMD64 + source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" diff --cc arch/i386/kernel/Makefile index 0fac85df64,28b14d6c7b..5e70c2fb27 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@@ -36,7 -37,7 +36,8 @@@ obj-$(CONFIG_EFI) += efi.o efi_stub. obj-$(CONFIG_DOUBLEFAULT) += doublefault.o obj-$(CONFIG_VM86) += vm86.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +obj-$(CONFIG_HPET_TIMER) += hpet.o + obj-$(CONFIG_K8_NB) += k8.o EXTRA_AFLAGS := -traditional diff --cc drivers/acpi/processor_idle.c index a5f4f2aa00,74173ce6aa..8a74bf3efd --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@@ -369,14 -369,9 +369,14 @@@ static void acpi_processor_idle(void t2 = inl(acpi_fadt.xpm_tmr_blk.address); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); + +#ifdef CONFIG_GENERIC_TIME + /* TSC halts in C2, so notify users */ + mark_tsc_unstable(); +#endif /* Re-enable interrupts */ local_irq_enable(); - set_thread_flag(TIF_POLLING_NRFLAG); + current_thread_info()->status |= TS_POLLING; /* Compute time (ticks) that we were actually asleep */ sleep_ticks = ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD; @@@ -414,13 -409,9 +414,13 @@@ ACPI_MTX_DO_NOT_LOCK); } +#ifdef CONFIG_GENERIC_TIME + /* TSC halts in C3, so notify users */ + mark_tsc_unstable(); +#endif /* Re-enable interrupts */ local_irq_enable(); - set_thread_flag(TIF_POLLING_NRFLAG); + current_thread_info()->status |= TS_POLLING; /* Compute time (ticks) that we were actually asleep */ sleep_ticks = ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD;