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- 09 Feb, 2009 1 commit
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Yinghai Lu authored
Impact: find right nr_irqs_gsi on some systems. One test-system has gap between gsi's: [ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 4, version 0, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: IOAPIC (id[0x05] address[0xfeafd000] gsi_base[48]) [ 0.000000] IOAPIC[1]: apic_id 5, version 0, address 0xfeafd000, GSI 48-54 [ 0.000000] ACPI: IOAPIC (id[0x06] address[0xfeafc000] gsi_base[56]) [ 0.000000] IOAPIC[2]: apic_id 6, version 0, address 0xfeafc000, GSI 56-62 ... [ 0.000000] nr_irqs_gsi: 38 So nr_irqs_gsi is not right. some irq for MSI will overwrite with io_apic. need to get that with acpi_probe_gsi when acpi io_apic is used Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 14 Jan, 2009 2 commits
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Jaswinder Singh Rajput authored
Impact: cleanup, solve 80 columns wrap problems Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Jaswinder Singh Rajput authored
Impact: cleanup, solve 80 columns wrap problems Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 09 Jan, 2009 1 commit
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Zhao Yakui authored
On some boxes there exist both RSDT and XSDT table. But unfortunately sometimes there exists the following error when XSDT table is used: a. 32/64X address mismatch b. The 32/64X FACS address mismatch In such case the boot option of "acpi=rsdt" is provided so that RSDT is tried instead of XSDT table when the system can't work well. http://bugzilla.kernel.org/show_bug.cgi?id=8246Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> cc:Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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- 03 Jan, 2009 2 commits
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Rusty Russell authored
Impact: reduce stack size, use new API. Replace cpumask_t with cpumask_var_t. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Mike Travis authored
Impact: Reduce future system panics due to cpumask operations using NR_CPUS Insure that code does not look at bits >= nr_cpu_ids as when cpumasks are allocated based on nr_cpu_ids, these extra bits will not be defined. Also some other minor updates: * change in to use cpu accessor function set_cpu_present() instead of directly accessing cpu_present_map w/cpu_clear() [arch/x86/kernel/reboot.c] * use cpumask_of() instead of &cpumask_of_cpu() [arch/x86/kernel/reboot.c] * optimize some cpu_mask_to_apicid_and functions. Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 23 Dec, 2008 1 commit
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Len Brown authored
When ACPI is asked to find an MADT (APIC table) and fails, then ACPI expects to run in PIC mode. However, if an MP Table is was found, IRQs will be registered as if an IOAPIC is being used, even though ACPI is configuring interrupt links links for PIC mode. In this scenario, disable MPS so that IRQs are registered in PIC mode, consistent with ACPI. http://bugzilla.kernel.org/show_bug.cgi?id=12257Signed-off-by: Len Brown <len.brown@intel.com>
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- 08 Dec, 2008 1 commit
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Yinghai Lu authored
Impact: cleanup reorder exit path in __get_smp_config(). also move two print outs to acpi_process_madt Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 12 Nov, 2008 1 commit
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Bjorn Helgaas authored
This removes the acpi_irq_balance_set() interface from the PCI interrupt link driver. x86 used acpi_irq_balance_set() to tell the PCI interrupt link driver to configure links to minimize IRQ sharing. But the link driver can easily figure out whether to turn on IRQ balancing based on the IRQ model (PIC/IOAPIC/etc), so we can get rid of that external interface. It's better for the driver to figure this out at init-time. If we set it externally via the x86 code, the interface reduces modularity, and we depend on the fact that acpi_process_madt() happens before we process the kernel command line. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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- 22 Oct, 2008 2 commits
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Gustavo F. Padovan authored
pr_debug don't need KERN_DEBUG. Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Andreas Herrmann authored
Impact: make warning message disappear - functionality unchanged Problems with bogus IRQ0 override of those laptops should be fixed with commits x86: SB600: skip IRQ0 override if it is not routed to INT2 of IOAPIC x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC that introduce early-quirks based on chipset configuration. For further information, see http://bugzilla.kernel.org/show_bug.cgi?id=11516 Instead of removing the related dmi-quirks completely we'd like to keep them for (at least) one kernel version -- to double-check whether the early-quirks really took effect. But the dmi-quirks need to be called after early-quirks are executed. With this patch calling sequence for dmi-quriks is changed as follows: acpi_boot_table_init() (dmi-quirks) ... early_quirks() (detect bogus IRQ0 override) ... acpi_boot_init() (late dmi-quirks and setup IO APIC) Note: Plan is to remove the "late dmi-quirks" with next kernel version. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 16 Oct, 2008 3 commits
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Ingo Molnar authored
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Yinghai Lu authored
for !CONFIG_HAVE_SPARSE_IRQ fix: In file included from arch/x86/kernel/early-quirks.c:18: include/asm/io_apic.h: In function 'probe_nr_irqs': include/asm/io_apic.h:209: error: 'NR_IRQS' undeclared (first use in this function) include/asm/io_apic.h:209: error: (Each undeclared identifier is reported only once include/asm/io_apic.h:209: error: for each function it appears in.) v2: fix by Ingo Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Yinghai Lu authored
Until now, NR_IRQS was derived from black magic defines that had to be "large enough" to both accomodate NR_CPUS and MAX_NR_IO_APICs. This resulted in a way too large irq_desc[] array on most x86 systems. Especially with larger CPU masks, the size of irq_desc can spiral out of control quickly. So be smarter about it and use precise allocation instead: determine the default maximum possible IRQ number from the ACPI MADT. Use a minimum limit of at least 32 IRQs for broken BIOSes. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 15 Oct, 2008 1 commit
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Pavel Vasilyev authored
arch/x86/kernel/acpi/boot.c:100: warning: 'acpi_mcfg_64bit_base_addr' defined but not used http://bugzilla.kernel.org/show_bug.cgi?id=11743Signed-off-by: Pavel Vasilyev <linuxoid@tochka.ru> Signed-off-by: Len Brown <len.brown@intel.com>
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- 07 Oct, 2008 1 commit
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Ingo Molnar authored
This PCI ID based quick should be a full solution for the IRQ0 override related slowdown problem on SB450 based systems: 33fb0e4e: x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC Emit a warning in those cases where the DMI quirk triggers but the PCI ID based quirk didnt. If this warning does not trigger then we can phase out the DMI quirks. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 06 Oct, 2008 1 commit
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Rafael J. Wysocki authored
There is a bug in the BIOSes of some HP boxes with AMD Turions which connects IO-APIC pins with ACPI thermal trip points in such a way that if the state of the IO-APIC is not as expected by the (buggy) BIOS, the thermal trip points are set to insanely low values (usually all of them become 16 degrees Celsius). As a result, thermal throttling kicks in and knock the system down to its shoes. Unfortunately some of the recent IO-APIC changes made the bug show up. To prevent this from happening, blacklist machines that are known to be affected (nx6115 and 6715b in this particular case). This fixes http://bugzilla.kernel.org/show_bug.cgi?id=11516 listed as a regression from 2.6.26. On my box it was caused by: commit 691874fa Author: Maciej W. Rozycki <macro@linux-mips.org> Date: Tue May 27 21:19:51 2008 +0100 x86: I/O APIC: timer through 8259A second-chance Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> and the whole story is described in this (huge) thread: http://marc.info/?l=linux-kernel&m=121358440508410&w=4 Matthew Garrett told us about that happening on the nx6125: http://marc.info/?l=linux-kernel&m=121396307411930&w=4 and then Maciej analysed the breakage on the basis of a DSDT from the nx6325: http://marc.info/?l=linux-kernel&m=121401068718826&w=4 As far as the Dmitry's and Jason's boxes are concerned, I recognized the symptoms and asked them to verify that the blacklisting helped. It appears that the buggy BIOS code has been copy-pasted to the entire range of machines, for no good reason. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Tested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Tested-by: Jason Vas Dias <jason.vas.dias@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- 27 Aug, 2008 1 commit
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Hiroshi Shimamoto authored
acpi_mcfg_64bit_base_addr is used when CONFIG_PCI_MMCONFIG is enabled. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 21 Aug, 2008 1 commit
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Yinghai Lu authored
after following patch, commit 1b313f4a Author: Cyrill Gorcunov <gorcunov@gmail.com> Date: Mon Aug 18 20:45:57 2008 +0400 x86: apic - generic_processor_info - use physid_set instead of phys_cpu and physids_or - set phys_cpu_present_map bit AFTER check for allowed number of processors - add checking for APIC valid version in 64bit mode (mostly not needed but added for merging purpose) - add apic_version definition for 64bit mode which is used now we are getting warning for acpi path on 64 bit system. make the 64-bit side fill in apic_version[] as well. [ mingo@elte.hu: build fix ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 13 Aug, 2008 1 commit
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John Keller authored
SGI UV will have MMCFG base addresses that are greater than 4GB (32 bits). v2: Use CONFIG_RESOURCES_64BIT instead of CONFIG_X86_64. v3: Create a flag, that is set by platform specific code, to disable the > 4GB check. Signed-off-by: John Keller <jpk@sgi.com> Cc: jpk@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 11 Aug, 2008 1 commit
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Huang Weiyi authored
Removed duplicated include file <asm/genapic.h> in arch/x86/kernel/acpi/boot.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 21 Jul, 2008 1 commit
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Thomas Gleixner authored
There are a couple of places where (P)Dprintk is used which is an old compile time enabled printk wrapper. Convert it to the generic pr_debug(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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- 13 Jul, 2008 1 commit
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Maciej W. Rozycki authored
Now that IRQ2 is never made available to the I/O APIC, there is no need to special-case it and mask as a workaround for broken systems. Actually, because of the former, mask_IO_APIC_irq(2) is a no-op already. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 12 Jul, 2008 3 commits
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Yinghai Lu authored
also remove GET_APIC_ID when read_apic_id is used. need to apply after [PATCH] x86: mach_apicdef.h need to include before smp.h Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Suresh Siddha authored
x2apic support. Interrupt-remapping must be enabled before enabling x2apic, this is needed to ensure that IO interrupts continue to work properly after the cpu mode is changed to x2apic(which uses 32bit extended physical/cluster apic id). On systems where apicid's are > 255, BIOS can handover the control to OS in x2apic mode. Or if the OS handover was in legacy xapic mode, check if it is capable of x2apic mode. And if we succeed in enabling Interrupt-remapping, then we can enable x2apic mode in the CPU. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Rafael J. Wysocki authored
We have two conflicting DMA-based quirks in there for the same set of boxes (HP nx6325 and nx6125) and one of them actually breaks my box. So remove the extra code. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: =?iso-8859-1?q?T=F6r=F6k_Edwin?= <edwintorok@gmail.com> Cc: Vegard Nossum <vegard.nossum@gmail.com> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 11 Jul, 2008 1 commit
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Yinghai Lu authored
when more than 4g memory is installed, don't map the big hole below 4g. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 10 Jul, 2008 1 commit
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Yinghai Lu authored
and let 64-bit to fall back to use fixmap too. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 09 Jul, 2008 2 commits
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Ingo Molnar authored
fix: arch/x86/kernel/acpi/boot.c: In function ‘dmi_ignore_irq0_timer_override’: arch/x86/kernel/acpi/boot.c:1443: error: implicit declaration of function ‘force_mask_ioapic_irq_2’ Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Rafael J. Wysocki authored
The problems are that, with the ACPI vs timer overring issue _fixed_, after using the box for some time (between several seconds and 1 hour, at random) processes get very high CPU loads (once I've got X using 107% of the CPU, for example) and the system becomes unresponsive, as though there were interrupts lost or something similar. Andreas Herrman reproduced similar problems: > Ok, now I've reproduced the stability problem. > - Using tip/master, > - reverting e38502eb8aa82314d5ab0eba45f50e6790dadd88 and > - applying your patch from this posting > http://marc.info/?l=linux-kernel&m=121539354224562&w=4 > > Starting X, firefox, gimp, tuxpaint and doing some drawing in tuxpaint > results in a slow system. Drawing is almost not possible anymore -- > Selections of new colors, cursors etc. is performed with huge delay > if it's performed at all. > > BTW, the code sets up timer IRQ as Virtual Wire IRQ: > > Jul 8 14:57:58 kodscha IO-APIC (apicid-pin) 2-22, 2-23 not connected. > Jul 8 14:57:58 kodscha ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 > Jul 8 14:57:58 kodscha ...trying to set up timer as Virtual Wire IRQ... works. > > and both INT0 and INT2 of IOAPIC are masked: > > Jul 8 14:57:58 kodscha NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect: > Jul 8 14:57:58 kodscha 00 000 1 0 0 0 0 0 0 00 > Jul 8 14:57:58 kodscha 01 003 0 0 0 0 0 1 1 31 > Jul 8 14:57:58 kodscha 02 003 1 0 0 0 0 0 0 30 > > I've also seen strange CPU utilization -- with syslog-ng: > > top - 15:33:06 up 35 min, 4 users, load average: 1.70, 0.68, 0.37 > Tasks: 64 total, 4 running, 60 sleeping, 0 stopped, 0 zombie > Cpu0 : 0.0%us,100.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st > Cpu1 : 6.4%us, 87.2%sy, 0.0%ni, 5.8%id, 0.0%wa, 0.6%hi, 0.0%si, 0.0%st > Mem: 895384k total, 283568k used, 611816k free, 35492k buffers > Swap: 1959920k total, 0k used, 1959920k free, 163044k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 4632 root 20 0 17216 800 580 S 104 0.1 0:34.22 syslog-ng > 28505 root 20 0 205m 11m 4024 S 6 1.3 0:21.16 X > 28518 root 20 0 56292 5652 4492 S 1 0.6 0:01.80 fluxbox > 1 root 20 0 3724 608 508 S 0 0.1 0:00.36 init > > So far I have no clue why C1E-idle in conjunction with virtual wire > mode causes this strange behaviour. > > ... and I start to think about the root cause of all this. > > I've performed similar tests under X with the IRQ0/INT0 configuration and > I did not see above symptoms. So lets fall back to the IRQ0/INT0 configuration on this box. This basically restores the dont-use-the-lapic-timer exception mechanism that was unconditional on this box prior commit 8750bf5 ("x86: add C1E aware idle function"). Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 08 Jul, 2008 6 commits
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Yinghai Lu authored
if acpi=off, acpi=noirq and pci=noacpi, we need to disable apic. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Maciej W. Rozycki" <macro@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Matthew Garrett authored
Some HP laptops have a problem with their DSDT reporting as HP/SB400/10000, which includes some code which overrides all temperature trip points to 16C if the INTIN2 input of the I/O APIC is enabled. This input is incorrectly designated the ISA IRQ 0 via an interrupt source override even though it is wired to the output of the master 8259A and INTIN0 is not connected at all. So far two models have been identified, namely nx6125 and nx6325. Use a knob provided by the I/O APIC interrupt registration code to abandon any attempts to route IRQ 0 through the I/O APIC for these systems. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: Len Brown <lenb@kernel.org> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Maciej W. Rozycki authored
As discovered recently some systems exhibit problems when the 8254 timer IRQ is routed through the I/O APIC. These problems do not affect the timer IRQ itself and therefore cannot be detected when the correctness of operation of the interrupt is verified in check_timer(). Therefore the I/O APIC path of the timer IRQ has to be disabled entirely. This is a change that lets platforms ask for the timer IRQ not to be registered in the I/O APIC interrupt tables. The local APIC and ExtINTA paths are unaffected. This request is only taken into account for ACPI platforms as MP table systems seem unaffected so far. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: Len Brown <lenb@kernel.org> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Yinghai Lu authored
if the system doesn't have ioapic, we don't need to store entries for mptable update also let mp_config_acpi_gsi not call func in mpparse so later could decouple mpparse with acpi more easily Reported-by: Daniel Exner <dex@dragonslave.de> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Daniel Exner <dex@dragonslave.de> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Yinghai Lu authored
so we don't get the same value multiple times. also make mp_config_acpi_legacy_irqs more readable by moving assignments together. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Yinghai Lu authored
Daniel Exner reported IO-APIC enumeration breakage in linux-next. Alexey Starikovskiy found out that it might be related to commit 2944e16b "x86: update mptable". use enable_update_mptable to decide if need check before add mp_irqs array. Reported-by: Daniel Exner <webmaster@dragonslave.de> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 10 Jun, 2008 1 commit
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Yinghai Lu authored
... so it could fall back to normal numa and we'd reduce the impact of the NUMAQ subarch. NUMAQ depends on GENERICARCH also decouple genericarch numa from acpi. also make it fall back to bigsmp if apicid > 8. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 04 Jun, 2008 1 commit
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Yinghai Lu authored
for http://bugzilla.kernel.org/show_bug.cgi?id=10613 BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor) v2: fix 64 bit compilation Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Gabriel C <nix.or.die@googlemail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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- 03 Jun, 2008 1 commit
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Yinghai Lu authored
make mptable to be consistent with acpi routing, so we could: 1. kexec kernel with acpi=off 2. work around BIOSes where acpi routing is working, but mptable is not right, so can use kernel/kexec to start other OSes that don't have good acpi support. command line: update_mptable Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 25 May, 2008 1 commit
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Alexey Starikovskiy authored
Sitsofe Wheeler reported boot problems on linux-next. It looks like the same issue as found by Soeren Sandman in 7575217f656a93, "x86: initialize all fields of mp_irqs[mp_irq_entries]". But his fix is also not complete, as dstapic is used before it assigned. Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com> Bisected-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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