- 17 4月, 2008 40 次提交
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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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由 Glauber Costa 提交于
it is already used in x86_64. In i386, it only removes from cpu_online_map 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
This lock does not protect cpu_online_map, so its length can be shortened, and in some cases, removed. 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 is equal between 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
set_cpu_sibling_map() and remove_sibling_info() are equal between architectures, and are now moved to 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
definitions that are inside CONFIG_HOTPLUG_CPU in the arch-specific smp*.h files are moved to common header 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
this is done to match 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
And move its extern definition to smp.h, the common header 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
move definitions that are now equal in type from smpboot_{32,64}.c to smpboot.c cpu_callin_map is put temporarily in smp_64.h (already exists in smp_32.h), and will soon be merged. 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
so they can have the same type as x86_64 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 is already defined 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
This patch merges the copyright notices, and valuable comments that were left back on smp_{32,64}.c. With that, files are empty, and are deleted 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
this patch creates tlb_32.c and tlb_64.c, with tlb-related functions that used to live in smp*.c files. 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
This patch moves all ipi and apic related functions from smp_32.c to ipi.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
this patch moves all the functions and data structures that look like exactly the same from smp_{32,64}.c to smp.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
function definition is moved to common header. x86_64 version is now called native_smp_send_stop 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
This can be safely added to i386. After that, functions look exactly the same for both arches 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
with the hlt_works change, it is possible to have i386 and x86_64 stop_this_cpu() looking exactly the same. They can, after that, be merged. 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 x86_64, hlt always work. in i386, we'll query the cpuinfo associated with this cpu 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 two versions (the inner version, and the outer version, that takes the locks) of smp_call_function_mask are made into one. With the changes, i386 and x86_64 versions look exactly the same. 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
This function is used in smp_send_stop(). It's like smp_call_function_mask, but always go to all online cpus, and does not take any locks. It is added to x86_64, but will soon be unified in 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
This patch creates smpcommon.c with functions that are equal between architectures. The i386-only init_gdt is ifdef'd. Note that smpcommon.o figures twice in the Makefile: this is because sub-architectures like voyager that does not use the normal smp_$(BITS) files also have to access them 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
there's already a warning in the topmost function 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
with this removal, exports for both i386 and x86_64, regarding the "smp_call_function" series are now the same. 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
this patches moves prefill_possible_map() to smpboot.c Right now it is x86_64-specific, but nothing intrinsically prevents it to be used by 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
this patch allows a cpu to be marked as present but disabled in i386, just as x86_64 currently does. 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
disabled_cpus is (up to now) a x86_64-only contruction. But it's extern declaration can be moved to common header anyway 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
definition is moved to common header. x86_64 version is now called native_smp_cpus_done 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
definition is moved to common header. x86_64 version is now called native_smp_prepare_cpus 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
definition is moved to common header. x86_64 version is now called native_prepare_boot_cpu 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
function definition is moved to common header. x86_64 version is now called native_cpu_up 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
definition is moved to common header, x86_64 function name now is native_smp_call_function_mask 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
function definition is moved to common header, x86_64 version is now called native_smp_send_reschedule 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 smp_ops symbol is temporarily defined in smp_64.c, but it will soon be unified 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
x86_64 will benefit from 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
move extern definitions that are the same between smp_{32,64}.h to 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
move extern function definitions that are the same between smp_{32,64}.h to 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
this is the first step of integrating smp.h between x86_64 and i386 Signed-off-by: NGlauber Costa <gcosta@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Liu Pingfan noticed that switch_to() clobbers more registers than its asm constraints specify. We get away with this due to luck mostly - schedule() by its nature only has 'local' state which gets reloaded automatically. Fix it nevertheless, we could hit this anytime. it turns out that with the extra constraints gcc manages to make schedule() even more compact: text data bss dec hex filename 28626 684 2640 31950 7cce sched.o.before 28613 684 2640 31937 7cc1 sched.o.after Reported-by: NLiu Pingfan <kernelfans@gmail.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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由 Ingo Molnar 提交于
Make the code more readable and more hackable: - use symbolic asm parameters - use readable indentation - add comments that explains the details No code changed: kernel/sched.o: text data bss dec hex filename 28626 684 2640 31950 7cce sched.o.before 28626 684 2640 31950 7cce sched.o.after md5: 2823d406c18b781975cdb2e7cfea0059 sched.o.before.asm 2823d406c18b781975cdb2e7cfea0059 sched.o.after.asm Signed-off-by: NIngo Molnar <mingo@elte.hu>
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