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2005-09-12[PATCH] x86-64: Fix gcc 4 warnings about pointer signednessAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Use physflat on Intel for < 8 CPUs with CPU hotplugAndi Kleen
This avoids races with the APIC broadcast/mask modes. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Improve error handling for overlapping PXMs in SRAT.Andi Kleen
- Report PXMs instead of nodes - Report the correct PXM, not always the one of node 1. - Only warn for the case of a PXM overlapping by itself Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Prevent gcc 4 from optimizing away vsyscallsAndi Kleen
They were previously static. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Delivery mode should be APIC_DM_FIXED when using physical mode.Ashok Raj
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove freeing of SMP trampoline pagesAndi Kleen
Nick points out it never worked because PageReserved was set and it might cause problems later on. Also HOTPLUG_CPU is much more common now so let's care not too much about the !hotplug case. Cc: nickpiggin@yahoo.com.au Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix typo CONFIG_CPU_HOTPLUG -> CONFIG_HOTPLUG_CPU in genapic.cAndi Kleen
Noted by Ashok Raj Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] Remove unnecessary BUG_ON in irq.cAlexander Nyberg
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix show_mem a little bitAndi Kleen
- Add KERN_INFO to printks (from i386) - Use longs instead of ints to accumulate pages. - Fix broken indenting. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove disable_tsc code in context switchAndi Kleen
It only offers extremly dubious security advantages and is not worth the overhead in this critical path. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Print version at end of kernel buildAndi Kleen
(from i386) Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix (harmless) typo in head.S early level2 page tableAndi Kleen
The global bit was not set in the first 2MB page, instead it had a bit in the free AVL section which is useless. Fixed thus. Noticed by Eric Biederman Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix idle=pollHugh Dickins
x86_64 idle=poll might be a little less responsive than it should: unlike mwait_idle, and unlike i386, its poll_idle left TIF_POLLING_NRFLAG set. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Only allocate per cpu data for possible CPUs, not compiled ↵Andi Kleen
in CPUs. Saves some memory except for hotplug situations. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Some cleanup and optimization to the processor data area.Andi Kleen
- Remove unused irqrsp field - Remove pda->me - Optimize set_softirq_pending slightly Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Add simnow consoleAndi Kleen
This adds console and earlyprintk support for a host file on AMD's SimNow simulator. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Make remote TLB flush more scalableAndi Kleen
Instead of using a global spinlock to protect the state of the remote TLB flush use a lock and state for each sending CPU. To tell the receiver where to look for the state use 8 different call vectors. Each CPU uses a specific vector to trigger flushes on other CPUs. Depending on the received vector the target CPUs look into the right per cpu variable for the flush data. When the system has more than 8 CPUs they are hashed to the 8 available vectors. The limited global vector space forces us to this right now. In future when interrupts are split into per CPU domains this could be fixed, at the cost of needing more IPIs in flat mode. Also some minor cleanup in the smp flush code and remove some outdated debug code. Requires patch to move cpu_possible_map setup earlier. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix 32bit sendfileTsuneo.Yoshioka@f-secure.com
If we use 64bit kernel on ia64/x86_64/s390 architecture, and we run 32bit binary on 32bit compatibility mode, sendfile system call seems be not set offset argument. This is because sendfile's return value is not zero but the code regards the result by return value is zero or not. This problem will be affect to ia64/x86_64/s390 and not affect to other architecture does not affect other architecture (mips/parisc/ppc64/sparc64). Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Include build number in oops outputAndi Kleen
Include build number in oops output Helps me to match oopses to correct kernel. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Use ACPI PXM to parse PCI<->node assignmentsAndi Kleen
Since this is shared code I had to implement it for i386 too Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove code to resume machine check state of other CPUs.Andi Kleen
The resume code uses CPU hotplug now so at resume time we only ever see one CPU. Pointed out by Yu Luming. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove redundant max_mapnr and replace with end_pfnAndi Kleen
The FLATMEM people added it, but there doesn't seem a good reason because end_pfn is identical. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Use e820_find_hole to compute reserved pagesAndi Kleen
Avoids a very dumb loop Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix harmless off by one in e820 codeAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Micro optimization to dma_alloc_coherent node lookupAndi Kleen
Use pcibus_to_node directly Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Don't trust boot_cpu_id in the mptable.Andi Kleen
It could be wrong for kexec or other cases. Read it from the CPU instead. Signed-off-by: Murali <muralim@in.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Add command line option to set machine check tolerance levelAndi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Make lockless machine check record passing a bit more robust.Andi Kleen
One machine is constantly throwing NMI watchdog timeouts in mce_log This was one attempt to fix it. (AK: this doesn't actually fix the bug I'm seeing unfortunately, probably drop. I don't like it that the reader can spin forever now waiting for a writer) Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove redundant swiotlb=force handlingAndi Kleen
It's already handled in the main swiotlb code. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Don't allocate aperture when swiotlb is enabled and no AGP foundAndi Kleen
No-one needs it then Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Don't assume APIC for boot processor has an APIC ID of zeroAndi Kleen
Originally from Stuart Hayes. When setting up the APIC for the Uniprocessor kernel don't assume the CPU has an APIC ID of zero. This fixes boot with the UP kernel on Dell PowerEdge 6800/6850 4way systems. Cc: Stuart.Hayes@dell.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Use SRAT data on Intel systems too.Andi Kleen
Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Support dualcore and 8 socket systems in k8 fallback node ↵Andi Kleen
parsing In particular on systems where the local APIC space and node space is very different from the Linux CPU number space. Previously the older NUMA setup code directly parsing the K8 northbridge registers had some issues on 8 socket or dual core systems. This patch fixes them. This is mainly done by fixing some confusion between Linux CPU numbers and local APIC ids. We now pass the local APIC IDs to later code, which avoids mismatches. Also add some heuristics to detect cases where the Hypertransport nodeids and the local APIC IDs don't match, but are shifted by a constant offset. This is still all quite hackish, hopefully BIOS writers fill in correct SRATs instead. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Fix the apic version that gets printed during bootAndi Kleen
Signed-off-by: Suresh Sidda <suresh.b.siddha@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Don't assign CPU numbers in SRAT parsingAndi Kleen
Do that later when the CPU boots. SRAT just stores the APIC<->Node mapping node. This fixes problems on systems where the order of SRAT entries does not match the MADT. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: White space and comment fixes for smp_call_function_singleAndi Kleen
No functional changes Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Enable interrupts during delay calibration on APsAndi Kleen
We used to disable them to work around a bug, but that is not needed anymore. Keeping them enabled avoids the NMI watchdog triggering in some cases. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Use largest APIC number, not number of CPUs to decide on ↵Andi Kleen
physflat mode Handles case where BIOS gives CPUs very large APIC numbers correctly. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove code for outdated APICsAndi Kleen
No x86-64 chipset has these APICs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove esr disable hack in APIC codeAndi Kleen
This was just needed for the Numasaurus, which fortunately doesn't support x86-64 CPUs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove obsolete APIC "write around" bug workaroundAndi Kleen
No x86-64 chipset has this bug Generated code doesn't change because it was always disabled. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Remove apic_write_around from smpboot.cAndi Kleen
We don't do workarounds for ancient hardware bugs. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86-64: Update defconfigAndi Kleen
Allow diskless booting. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] x86{-64}: Remove old hack that disabled mmconfig support on AMD systems.Andi Kleen
Now that Greg implemented MCFG/_SEG support this shouldn't be needed anymore Cc: gregkh@suse.de Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6 Linus Torvalds
2005-09-12[PATCH] i386: Don't miss pending signals returning to user mode after signal ↵Roland McGrath
processing Signed-off-by: Roland McGrath <roland@redhat.com> Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-12[PATCH] ppc64: Remove unused codeAnton Blanchard
ppc64_attention_msg and ppc64_dump_msg are not used so remove them. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-09-12[PATCH] ppc64: Fix for missing start-cpu rtas tokenAnton Blanchard
If the rtas start-cpu token doesnt exist then presume the cpu is already spinning. If it isnt we will catch it later on when the cpu doesnt respond. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-09-12[PATCH] ppc64: indent pci codeAnton Blanchard
Fix up some badly indented code. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-09-12[PATCH] ppc64: xics cleanupAnton Blanchard
A few xics cleanups: - Make some things static. - Be more consistent with error printing - interrupts are unsigned, error values are signed. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
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