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| author |   Michael Ellerman <michael@ellerman.id.au> | 2005-06-30 15:07:33 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2005-06-30 15:07:33 +1000 |
| commit | 0c885c175c06bdfe13e88d974d56a5e93ad2f544 (patch) | |
| tree | d1986e295a8cfa02184c0f1d154cee2ce21fb06b /arch/ppc64/kernel/ItLpQueue.c | |
| parent | [PATCH] ppc64: Spread lpevents by default on iSeries (diff) | |
| download | linux-dev-0c885c175c06bdfe13e88d974d56a5e93ad2f544.tar.xz linux-dev-0c885c175c06bdfe13e88d974d56a5e93ad2f544.zip | |
[PATCH] ppc64: Move set_spread_lpevents() into ItLpQueue.c
The only code outside ItLpQueue.c that refers to spread_lpevents is in
set_apread_lpevents(), so move it inside ItLpQueue.c and make spread_lpevents
static.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64/kernel/ItLpQueue.c')
| -rw-r--r-- | arch/ppc64/kernel/ItLpQueue.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/ppc64/kernel/ItLpQueue.c b/arch/ppc64/kernel/ItLpQueue.c index d37793467808..61be23ed5004 100644 --- a/arch/ppc64/kernel/ItLpQueue.c +++ b/arch/ppc64/kernel/ItLpQueue.c @@ -69,7 +69,7 @@ struct HvLpEvent * ItLpQueue_getNextLpEvent( struct ItLpQueue * lpQueue ) return nextLpEvent; } -unsigned long spread_lpevents = NR_CPUS; +static unsigned long spread_lpevents = NR_CPUS; int ItLpQueue_isLpIntPending( struct ItLpQueue * lpQueue ) { @@ -166,3 +166,23 @@ unsigned ItLpQueue_process( struct ItLpQueue * lpQueue, struct pt_regs *regs ) return numIntsProcessed; } + +static int set_spread_lpevents(char *str) +{ + unsigned long val = simple_strtoul(str, NULL, 0); + + /* + * The parameter is the number of processors to share in processing + * lp events. + */ + if (( val > 0) && (val <= NR_CPUS)) { + spread_lpevents = val; + printk("lpevent processing spread over %ld processors\n", val); + } else { + printk("invalid spread_lpevents %ld\n", val); + } + + return 1; +} +__setup("spread_lpevents=", set_spread_lpevents); + |