| Commit message (Collapse) | Author | Age | Files | Lines |
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We should not use physid_mask_t as a stack based
variable in apic code. This type depends on MAX_APICS
parameter which may be huge enough.
Especially it became a problem with apic NOOP driver which
is portable between 32 bit and 64 bit environment
(where we have really huge MAX_APICS).
So apic driver should operate with pointers and a caller
in turn should aware of allocation physid_mask_t variable.
As a side (but positive) effect -- we may use already
implemented physid_set_mask_of_physid function eliminating
default_apicid_to_cpu_present completely.
Note that physids_coerce and physids_promote turned into static
inline from macro (since macro hides the fact that parameter is
being interpreted as unsigned long, make it explicit).
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
LKML-Reference: <20091109220659.GA5568@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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boot_cpu_physical_apicid is a global variable and used as function
argument as well. Rename the function arguments to avoid confusion.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
LKML-Reference: <1244895686-2348-1-git-send-email-weiyi.huang@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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XAPIC_DEST_* is dupliicated to the one in apicdef.h
[ Impact: cleanup ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <49F552D0.5050505@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: cleanup
We are removing cpumask_t in favour of struct cpumask: mainly as a
marker of what code is now CONFIG_CPUMASK_OFFSTACK-safe.
The only non-trivial change here is vector_allocation_domain():
explicitly clear the mask and set the first word, rather than using
assignment.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Impact: cleanup
It's not legal to do assignments into cpumask_var_t; they will soon be of
variable length.
So explicitly clear the mask and set the first word, rather than using
assignment.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Impact: cleanup, remove cpumask from stack
summit_send_IPI_allbutself might as well call
default_send_IPI_mask_allbutself_logical(). Also change cpumask_t to
struct cpumask and &cpu_online_map to cpu_online_mask while here.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Impact: cleanup
1) &cpu_online_map -> cpu_online_mask
2) first_cpu/next_cpu_nr -> cpumask_first/cpumask_next
3) cpu_*_map manipulation -> init_cpu_* / set_cpu_*
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Remove __init section placement for some functions/data, so that
we don't get section mismatch warnings.
Also make inline function instead of empty setup_summit macro.
[v2]
One of them was not caught by
DEBUG_SECTION_MISMATCH=y
magic. Fix it.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: H. Peter Anvin <hpa@zytor.com>
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Perform same-cluster checking even for masks with all (nr_cpu_ids)
bits set and report correct apicid on success instead.
While at it, convert it to for_each_cpu and newer cpumask api.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: cleanup
- rename apic->wakeup_cpu to apic->wakeup_secondary_cpu, to
make it apparent that this is an SMP-only method
- handle NULL ->wakeup_secondary_cpus to mean the default INIT
wakeup sequence - this allows simplification of the APIC
driver templates.
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: cleanup
x86_quirks->update_apic() calling looks crazy. so try to remove it:
1. every apic take wakeup_cpu member directly
2. separate es7000_apic to es7000_apic_cluster
3. use uv_wakeup_cpu directly
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The ones which go only into struct genapic are de-inlined
by compiler anyway, so remove the inline specifier from them.
Afterwards, remove summit_setup_portio_remap completely as it
is unused.
Remove inline also from summit_cpu_mask_to_apicid, since it's
not worth it (it is used in struct genapic too).
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Use BAD_APICID instead of 0xFF constants in summit_cpu_mask_to_apicid.
Also remove bogus comments about what we actually return.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Move the 32-bit extended-arch APIC drivers to arch/x86/kernel/apic/
too, and rename apic_64.c to probe_64.c.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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