- 17 4月, 2008 40 次提交
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由 Alexey Starikovskiy 提交于
Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Alexey Starikovskiy 提交于
Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Alexey Starikovskiy 提交于
Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Alexey Starikovskiy 提交于
Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Alexey Starikovskiy 提交于
Signed-off: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Yinghai Lu 提交于
When acpi=off or there is no SRAT defined, apicid_to_node is got from K8 Northbridge PCI configuration space in k8_scan_nodes() in arch/x86_64/mm/k8toplogy.c. The problem is that it assumes bsp apic id is 0 at that point. For four socket system with Quad core cpus installed, all cpus apic id is offset by 4, and bsp apic id is 4. For eight socket system with dual core cpus installed, all cpus apic id is offset by 2, and bsp apic id is 2. We need get boot_cpu_id --- bsp apic id, before k8_scan_nodes by called. So create early_acpi_boot_init and early_get_smp_config for get boot_cpu_id. Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Alexey Starikovskiy 提交于
Signed-off-by: NAlexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Mikael Pettersson 提交于
<asm-x86/nops.h> describes certain multibyte instructions as "generic" nops when in fact they aren't nops at all in 64-bit mode (missing REX.W causing truncation of a register). Update the comment to state that K8 or P6 style nops should be used in 64-bit mode. This matches what the alternatives code does. Signed-off-by: NMikael Pettersson <mikpe@it.uu.se> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Johannes Weiner 提交于
Signed-off-by: NJohannes Weiner <hannes@saeurebad.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Jan Beulich 提交于
Otherwise, enabling (or better, subsequent disabling) of single stepping would cause a kernel oops on CPUs not having this MSR. The patch could have been added a conditional to the MSR write in user_disable_single_step(), but centralizing the updates seems safer and (looking forward) better manageable. Signed-off-by: NJan Beulich <jbeulich@novell.com> Cc: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Gautham R Shenoy 提交于
In the x86 native_smp_send_reschedule_function(), don't send the IPI if the cpu has gone offline already. Warn nevertheless!! Signed-off-by: NGautham R Shenoy <ego@in.ibm.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 stephane eranian 提交于
adds AMD Northbridge config MSR definition Signed-off-by: NStephane Eranian <eranian@gmail.com> Signed-off-by: NRobert Richter <robert.richter@amd.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 stephane eranian 提交于
adds cpu_has_arch_perfmon to test presence of architectural perfmon on Intel x86 processor Signed-off-by: NStephane Eranian <eranian@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> arch/x86/kernel/reboot.c | 1 - include/asm-x86/elf.h | 5 ++--- include/asm-x86/posix_types.h | 8 +------- include/asm-x86/processor.h | 3 +-- include/asm-x86/unistd.h | 8 +------- 5 files changed, 5 insertions(+), 20 deletions(-) Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Paolo Ciarrocchi 提交于
Fix: ERROR: do not initialise externals to 0 or NULL Signed-off-by: NPaolo Ciarrocchi <paolo.ciarrocchi@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Yinghai Lu 提交于
otherwise Vmemmap and High Kernel Mapping string is not showing up. Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Yinghai Lu 提交于
store initial_apicid from early identify. it is could be different from phys_proc_id later. also print it out in /proc/cpuinfo. Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
all reboot details are handled in reboot.c and quirks are handled via reboot_fixups_32.c. Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Mathieu Desnoyers 提交于
Standardize DEBUG_RODATA, removing special cases for hotplug and kprobes. Signed-off-by: NMathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Andi Kleen <andi@firstfloor.org> Cc: pageexec@freemail.hu Cc: akpm@linux-foundation.org CC: Andi Kleen <andi@firstfloor.org> CC: pageexec@freemail.hu CC: H. Peter Anvin <hpa@zytor.com> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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由 Mathieu Desnoyers 提交于
Fix a memcpy that should be a text_poke (in apply_alternatives). Use kernel_wp_save/kernel_wp_restore in text_poke to support DEBUG_RODATA correctly and so the CPU HOTPLUG special case can be removed. Add text_poke_early, for alternatives and paravirt boot-time and module load time patching. Changelog: - Fix text_set and text_poke alignment check (mixed up bitwise and and or) - Remove text_set - Export add_nops, so it can be used by others. - Document text_poke_early. - Remove clflush, since it breaks some VIA architectures and is not strictly necessary. - Add kerneldoc to text_poke and text_poke_early. - Create a second vmap instead of using the WP bit to support Xen and VMI. - Move local_irq disable within text_poke and text_poke_early to be able to be sleepable in these functions. Signed-off-by: NMathieu Desnoyers <mathieu.desnoyers@polymtl.ca> CC: Andi Kleen <andi@firstfloor.org> CC: pageexec@freemail.hu CC: H. Peter Anvin <hpa@zytor.com> CC: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Harvey Harrison 提交于
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Yinghai Lu 提交于
Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Yinghai Lu 提交于
for system with apicid lifting, boot cpu apicid will be 4 got: CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 512K (64 bytes/line) CPU 0/4 -> Node 0 CPU: Physical Processor ID: 1 CPU: Processor Core ID: 0 so try to offset apicid back before get phys_proc_id with bits shift. then we can get correct socket ID also remove remove cpu_data(0) reference. because cpu_data(0) only be ready after smp_prepare_cpus with the assignment from boot_cpu_data to current_cpu_data aka cpu_data(0). and check_bugs()==>identify_cpu(&boot_cpu_data) is quite before than smp_prepare_cpus. So just use boot_cpu_id instead. Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Before: total: 0 errors, 1 warnings, 678 lines checked After: total: 0 errors, 0 warnings, 678 lines checked No code changed: arch/x86/kernel/signal_32.o: text data bss dec hex filename 5333 0 4 5337 14d9 signal_32.o.before 5336 0 4 5340 14dc signal_32.o.after md5: c279e98012a2808e90cfa2a7787e42a4 signal_32.o.before.asm c279e98012a2808e90cfa2a7787e42a4 signal_32.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Before: total: 0 errors, 3 warnings, 685 lines checked After: total: 0 errors, 1 warnings, 678 lines checked No code changed: arch/x86/kernel/signal_32.o: text data bss dec hex filename 5333 0 4 5337 14d9 signal_32.o.before 5333 0 4 5337 14d9 signal_32.o.after md5: c279e98012a2808e90cfa2a7787e42a4 signal_32.o.before.asm c279e98012a2808e90cfa2a7787e42a4 signal_32.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Before: total: 21 errors, 6 warnings, 665 lines checked After: total: 0 errors, 3 warnings, 685 lines checked No code changed: arch/x86/kernel/signal_32.o: text data bss dec hex filename 5333 0 4 5337 14d9 signal_32.o.before 5333 0 4 5337 14d9 signal_32.o.after md5: c279e98012a2808e90cfa2a7787e42a4 signal_32.o.before.asm c279e98012a2808e90cfa2a7787e42a4 signal_32.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
minor coding style cleanups. Before: total: 0 errors, 3 warnings, 479 lines checked After: total: 0 errors, 1 warnings, 483 lines checked No code changed: arch/x86/kernel/i387.o: text data bss dec hex filename 2379 4 8 2391 957 i387.o.before 2379 4 8 2391 957 i387.o.after md5: e1434553a3b4ff1f52ad97a68b1fad8a i387.o.before.asm e1434553a3b4ff1f52ad97a68b1fad8a i387.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
add comments to the FPU structures of processor.h. Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
This is done for smpboot_32.c Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
wraps the busy loop for wait_for_init_deasserted() in a function, so smp_callin in x86_64 looks like more i386 Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
setup_trampoline() looks very similar between architectures, and this patch unifies them. The i386 version allocates bootmem memory, while the x86_64 version uses a fixed address. In this patch, we initialize the global trampoline_base to the x86_64 version, and i386 allocation can later override it. Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
make setup_trampoline non-static. This way, it won't conflict with the extern declaration in smp.h Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
Change voyager's trampoline base to unsigned char * instead of u32. This way, it won't conflict with the other architectures when including smp.h Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
In here, they can serve both architectures Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
The parameter passing parsing is done in the common smpboot.c Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
They are now equal, and are moved to a common file Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Glauber Costa 提交于
it was already cleared two lines above, and so, this removal is bogus Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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