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* x86: APIC: remove apic_write_around(); use alternativesMaciej W. Rozycki2008-07-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use alternatives to select the workaround for the 11AP Pentium erratum for the affected steppings on the fly rather than build time. Remove the X86_GOOD_APIC configuration option and replace all the calls to apic_write_around() with plain apic_write(), protecting accesses to the ESR as appropriate due to the 3AP Pentium erratum. Remove apic_read_around() and all its invocations altogether as not needed. Remove apic_write_atomic() and all its implementing backends. The use of ASM_OUTPUT2() is not strictly needed for input constraints, but I have used it for readability's sake. I had the feeling no one else was brave enough to do it, so I went ahead and here it is. Verified by checking the generated assembly and tested with both a 32-bit and a 64-bit configuration, also with the 11AP "feature" forced on and verified with gdb on /proc/kcore to work as expected (as an 11AP machines are quite hard to get hands on these days). Some script complained about the use of "volatile", but apic_write() needs it for the same reason and is effectively a replacement for writel(), so I have disregarded it. I am not sure what the policy wrt defconfig files is, they are generated and there is risk of a conflict resulting from an unrelated change, so I have left changes to them out. The option will get removed from them at the next run. Some testing with machines other than mine will be needed to avoid some stupid mistake, but despite its volume, the change is not really that intrusive, so I am fairly confident that because it works for me, it will everywhere. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove unused file after numaq etc depends on genericarchYinghai Lu2008-07-08
| | | | | | | we don't need those mach_mpspec.h files now. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: change GET_APIC_ID() from an inline function to an out-of-line functionJack Steiner2008-04-17
| | | | | | | | | | Introduce a function to read the local APIC_ID. This change is in preparation for additional changes to the APICID functions that will come in a later patch. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove mpc_oem_bus_info()Alexey Starikovskiy2008-04-17
| | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove mpc_oem_pci_bus()Alexey Starikovskiy2008-04-17
| | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: remove mpc_apic_id()Alexey Starikovskiy2008-04-17
| | | | | Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: define bios to apicid mappingGlauber de Oliveira Costa2008-04-17
| | | | | | | | This mapping already exists in x86_64, just provide it for i386 Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: cleanup mpspec variantsThomas Gleixner2008-01-30
| | | | | | | | | Bring the mpspec variants into sync to prepare merging and paravirt support. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: fix bogus memcpy in es7000_check_dsdt()Thomas Gleixner2007-11-17
| | | | | | | | | | es7000_check_dst() contains a memcpy from 0, which probably should have been a memset. Remove it and check the retunr value from acpi_get_table_header. Noticed by: Joe Perches <joe@perches.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* i386/x86_64: move headers to include/asm-x86Thomas Gleixner2007-10-11
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>