linux.git/arch/ppc64/kernel/ItLpQueue.c, branch v2.6.14

[PATCH] ppc64: Replace custom locking code with a spinlock

2005-06-30T05:17:02+00:00

The hvlpevent_queue (formally ItLpQueue) has a member called xInUseWord
which is used for serialising access to the queue. Because it's a word
(ie. 32 bit) there's a custom 32-bit version of test_and_set_bit() or
thereabouts in ItLpQueue.c.

The xInUseWord is not shared with they hypervisor, so we can replace it
with a spinlock and remove the custom code.

There is also another locking mechanism (ItLpQueueInProcess). This is
redundant because it's only manipulated while the lock's held. Remove it.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Formatting cleanups in arch/ppc64/kernel/ItLpQueue.c

2005-06-30T05:16:48+00:00

Just formatting cleanups:
 * rename some "nextLpEvent" variables to just "event"
 * make code fit in 80 columns
 * use brackets around if/else
 * use a temporary to make hvlpevent_clear_valid clearer

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Cleanup whitespace in arch/ppc64/kernel/ItLpQueue.c

2005-06-30T05:16:28+00:00

Just cleanup white space.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Cleanup proc printing of event types

2005-06-30T05:16:18+00:00

The code that prints event counts by type uses a hand-coded number of tabs
to get the alignment right. Instead use a printf alignment which will allow
allow us to use the event_type strings elsewhere in the future.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Simplify counting of lpevents, remove lpevent_count from paca

2005-06-30T05:16:09+00:00

Currently there's a per-cpu count of lpevents processed, a per-queue (ie.
global) total count, and a count by event type.

Replace all that with a count by event for each cpu. We only need to add
it up int the proc code.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Don't count number of events processed for caller

2005-06-30T05:15:53+00:00

Currently we count the number of lpevents processed in 3 seperate places.

One of these counters is never read, so just remove it. This means
hvlpevent_queue_process() no longer needs to return the number of events
processed.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Rename ItLpQueue_* functions to hvlpevent_queue_*

2005-06-30T05:15:42+00:00

Now that we've renamed the xItLpQueue structure, rename the functions that
operate on it also.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Rename xItLpQueue to hvlpevent_queue

2005-06-30T05:15:32+00:00

The xItLpQueue is a queue of HvLpEvents that we're given by the Hypervisor.
Rename xItLpQueue to hvlpevent_queue and make the type struct hvlpevent_queue.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Move definition of xItLpQueue

2005-06-30T05:12:21+00:00

The xItLpQueue is declared in LparData.c, move it into ItLpQueue.c.

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

[PATCH] ppc64: Make two ItLpQueue related functions static

2005-06-30T05:08:56+00:00

External parties don't need to use ItLpQueue_getNextLpEvent() or
ItLpQueue_clearValid(), they're internal to ItLpQueue.c

Signed-off-by: Michael Ellerman 
Acked-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras