* [PATCH 03/14] powerpc: use printk_once [not found] <1249847649-11631-1-git-send-email-marcin.slusarz@gmail.com> @ 2009-08-09 19:53 ` Marcin Slusarz 2009-08-10 8:00 ` Wolfram Sang 0 siblings, 1 reply; 4+ messages in thread From: Marcin Slusarz @ 2009-08-09 19:53 UTC (permalink / raw) To: LKML; +Cc: Paul Mackerras, linuxppc-dev Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: linuxppc-dev@ozlabs.org --- arch/powerpc/kernel/iommu.c | 6 +----- arch/powerpc/kernel/irq.c | 5 ++--- arch/powerpc/sysdev/ppc4xx_pci.c | 9 ++------- 3 files changed, 5 insertions(+), 15 deletions(-) diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index fd51578..c7fa258 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -502,7 +502,6 @@ static void iommu_table_clear(struct iommu_table *tbl) struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) { unsigned long sz; - static int welcomed = 0; struct page *page; /* Set aside 1/4 of the table for large allocations. */ @@ -523,11 +522,8 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) iommu_table_clear(tbl); - if (!welcomed) { - printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", + printk_once(KERN_INFO "IOMMU table initialized, virtual merging %s\n", novmerge ? "disabled" : "enabled"); - welcomed = 1; - } return tbl; } diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index f7f376e..05ebd21 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -231,7 +231,6 @@ skip: void fixup_irqs(cpumask_t map) { unsigned int irq; - static int warned; for_each_irq(irq) { cpumask_t mask; @@ -246,8 +245,8 @@ void fixup_irqs(cpumask_t map) } if (irq_desc[irq].chip->set_affinity) irq_desc[irq].chip->set_affinity(irq, &mask); - else if (irq_desc[irq].action && !(warned++)) - printk("Cannot set affinity for irq %i\n", irq); + else if (irq_desc[irq].action) + printk_once("Cannot set affinity for irq %i\n", irq); } local_irq_enable(); diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index 6ff9d71..4282dff 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -1243,19 +1243,14 @@ static int ppc4xx_pciex_validate_bdf(struct ppc4xx_pciex_port *port, struct pci_bus *bus, unsigned int devfn) { - static int message; - /* Endpoint can not generate upstream(remote) config cycles */ if (port->endpoint && bus->number != port->hose->first_busno) return PCIBIOS_DEVICE_NOT_FOUND; /* Check we are within the mapped range */ if (bus->number > port->hose->last_busno) { - if (!message) { - printk(KERN_WARNING "Warning! Probing bus %u" - " out of range !\n", bus->number); - message++; - } + printk_once(KERN_WARNING + "Warning! Probing bus %u out of range!\n", bus->number); return PCIBIOS_DEVICE_NOT_FOUND; } -- 1.6.3.3 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH 03/14] powerpc: use printk_once 2009-08-09 19:53 ` [PATCH 03/14] powerpc: use printk_once Marcin Slusarz @ 2009-08-10 8:00 ` Wolfram Sang 2009-08-10 11:46 ` Michael Ellerman 0 siblings, 1 reply; 4+ messages in thread From: Wolfram Sang @ 2009-08-10 8:00 UTC (permalink / raw) To: Marcin Slusarz; +Cc: linuxppc-dev, Paul Mackerras, LKML [-- Attachment #1: Type: text/plain, Size: 2404 bytes --] On Sun, Aug 09, 2009 at 09:53:58PM +0200, Marcin Slusarz wrote: > Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Cc: Paul Mackerras <paulus@samba.org> > Cc: linuxppc-dev@ozlabs.org > --- > arch/powerpc/kernel/iommu.c | 6 +----- > arch/powerpc/kernel/irq.c | 5 ++--- > arch/powerpc/sysdev/ppc4xx_pci.c | 9 ++------- > 3 files changed, 5 insertions(+), 15 deletions(-) > > diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c > index fd51578..c7fa258 100644 > --- a/arch/powerpc/kernel/iommu.c > +++ b/arch/powerpc/kernel/iommu.c > @@ -502,7 +502,6 @@ static void iommu_table_clear(struct iommu_table *tbl) > struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) > { > unsigned long sz; > - static int welcomed = 0; > struct page *page; > > /* Set aside 1/4 of the table for large allocations. */ > @@ -523,11 +522,8 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) > > iommu_table_clear(tbl); > > - if (!welcomed) { > - printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", > + printk_once(KERN_INFO "IOMMU table initialized, virtual merging %s\n", > novmerge ? "disabled" : "enabled"); > - welcomed = 1; > - } > > return tbl; > } > diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c > index f7f376e..05ebd21 100644 > --- a/arch/powerpc/kernel/irq.c > +++ b/arch/powerpc/kernel/irq.c > @@ -231,7 +231,6 @@ skip: > void fixup_irqs(cpumask_t map) > { > unsigned int irq; > - static int warned; > > for_each_irq(irq) { > cpumask_t mask; > @@ -246,8 +245,8 @@ void fixup_irqs(cpumask_t map) > } > if (irq_desc[irq].chip->set_affinity) > irq_desc[irq].chip->set_affinity(irq, &mask); > - else if (irq_desc[irq].action && !(warned++)) > - printk("Cannot set affinity for irq %i\n", irq); > + else if (irq_desc[irq].action) > + printk_once("Cannot set affinity for irq %i\n", irq); Maybe we should add a loglevel to this printk (and the other one in fix_irqs) while we are here? Other than that: Acked-by: Wolfram Sang <w.sang@pengutronix.de> -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ | [-- Attachment #2: Digital signature --] [-- Type: application/pgp-signature, Size: 197 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 03/14] powerpc: use printk_once 2009-08-10 8:00 ` Wolfram Sang @ 2009-08-10 11:46 ` Michael Ellerman 2009-08-10 11:56 ` Gary Thomas 0 siblings, 1 reply; 4+ messages in thread From: Michael Ellerman @ 2009-08-10 11:46 UTC (permalink / raw) To: Wolfram Sang; +Cc: linuxppc-dev, Paul Mackerras, Marcin Slusarz, LKML [-- Attachment #1: Type: text/plain, Size: 2528 bytes --] On Mon, 2009-08-10 at 10:00 +0200, Wolfram Sang wrote: > On Sun, Aug 09, 2009 at 09:53:58PM +0200, Marcin Slusarz wrote: > > Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> > > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> > > Cc: Paul Mackerras <paulus@samba.org> > > Cc: linuxppc-dev@ozlabs.org > > --- > > arch/powerpc/kernel/iommu.c | 6 +----- > > arch/powerpc/kernel/irq.c | 5 ++--- > > arch/powerpc/sysdev/ppc4xx_pci.c | 9 ++------- > > 3 files changed, 5 insertions(+), 15 deletions(-) > > > > diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c > > index fd51578..c7fa258 100644 > > --- a/arch/powerpc/kernel/iommu.c > > +++ b/arch/powerpc/kernel/iommu.c > > @@ -502,7 +502,6 @@ static void iommu_table_clear(struct iommu_table *tbl) > > struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) > > { > > unsigned long sz; > > - static int welcomed = 0; > > struct page *page; > > > > /* Set aside 1/4 of the table for large allocations. */ > > @@ -523,11 +522,8 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) > > > > iommu_table_clear(tbl); > > > > - if (!welcomed) { > > - printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", > > + printk_once(KERN_INFO "IOMMU table initialized, virtual merging %s\n", > > novmerge ? "disabled" : "enabled"); > > - welcomed = 1; > > - } > > > > return tbl; > > } > > diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c > > index f7f376e..05ebd21 100644 > > --- a/arch/powerpc/kernel/irq.c > > +++ b/arch/powerpc/kernel/irq.c > > @@ -231,7 +231,6 @@ skip: > > void fixup_irqs(cpumask_t map) > > { > > unsigned int irq; > > - static int warned; > > > > for_each_irq(irq) { > > cpumask_t mask; > > @@ -246,8 +245,8 @@ void fixup_irqs(cpumask_t map) > > } > > if (irq_desc[irq].chip->set_affinity) > > irq_desc[irq].chip->set_affinity(irq, &mask); > > - else if (irq_desc[irq].action && !(warned++)) > > - printk("Cannot set affinity for irq %i\n", irq); > > + else if (irq_desc[irq].action) > > + printk_once("Cannot set affinity for irq %i\n", irq); > > Maybe we should add a loglevel to this printk (and the other one in fix_irqs) > while we are here? I think you should drop it, it's stupid. If we actually care about irqs that don't have a set affinity we should keep a count and report that at the end of the loop. cheers [-- Attachment #2: This is a digitally signed message part --] [-- Type: application/pgp-signature, Size: 197 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 03/14] powerpc: use printk_once 2009-08-10 11:46 ` Michael Ellerman @ 2009-08-10 11:56 ` Gary Thomas 0 siblings, 0 replies; 4+ messages in thread From: Gary Thomas @ 2009-08-10 11:56 UTC (permalink / raw) To: michael; +Cc: linuxppc-dev, Paul Mackerras, LKML, Marcin Slusarz Michael Ellerman wrote: > On Mon, 2009-08-10 at 10:00 +0200, Wolfram Sang wrote: >> On Sun, Aug 09, 2009 at 09:53:58PM +0200, Marcin Slusarz wrote: >>> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> >>> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> >>> Cc: Paul Mackerras <paulus@samba.org> >>> Cc: linuxppc-dev@ozlabs.org >>> --- >>> arch/powerpc/kernel/iommu.c | 6 +----- >>> arch/powerpc/kernel/irq.c | 5 ++--- >>> arch/powerpc/sysdev/ppc4xx_pci.c | 9 ++------- >>> 3 files changed, 5 insertions(+), 15 deletions(-) >>> >>> diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c >>> index fd51578..c7fa258 100644 >>> --- a/arch/powerpc/kernel/iommu.c >>> +++ b/arch/powerpc/kernel/iommu.c >>> @@ -502,7 +502,6 @@ static void iommu_table_clear(struct iommu_table *tbl) >>> struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) >>> { >>> unsigned long sz; >>> - static int welcomed = 0; >>> struct page *page; >>> >>> /* Set aside 1/4 of the table for large allocations. */ >>> @@ -523,11 +522,8 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) >>> >>> iommu_table_clear(tbl); >>> >>> - if (!welcomed) { >>> - printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n", >>> + printk_once(KERN_INFO "IOMMU table initialized, virtual merging %s\n", >>> novmerge ? "disabled" : "enabled"); >>> - welcomed = 1; >>> - } >>> >>> return tbl; >>> } >>> diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c >>> index f7f376e..05ebd21 100644 >>> --- a/arch/powerpc/kernel/irq.c >>> +++ b/arch/powerpc/kernel/irq.c >>> @@ -231,7 +231,6 @@ skip: >>> void fixup_irqs(cpumask_t map) >>> { >>> unsigned int irq; >>> - static int warned; >>> >>> for_each_irq(irq) { >>> cpumask_t mask; >>> @@ -246,8 +245,8 @@ void fixup_irqs(cpumask_t map) >>> } >>> if (irq_desc[irq].chip->set_affinity) >>> irq_desc[irq].chip->set_affinity(irq, &mask); >>> - else if (irq_desc[irq].action && !(warned++)) >>> - printk("Cannot set affinity for irq %i\n", irq); >>> + else if (irq_desc[irq].action) >>> + printk_once("Cannot set affinity for irq %i\n", irq); >> Maybe we should add a loglevel to this printk (and the other one in fix_irqs) >> while we are here? > > I think you should drop it, it's stupid. If we actually care about irqs > that don't have a set affinity we should keep a count and report that at > the end of the loop. In addition, this change would prevent reporting missing affinity on more than one IRQ if there were such. -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------ ^ permalink raw reply [flat|nested] 4+ messages in thread
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2009-08-09 19:53 ` [PATCH 03/14] powerpc: use printk_once Marcin Slusarz
2009-08-10 8:00 ` Wolfram Sang
2009-08-10 11:46 ` Michael Ellerman
2009-08-10 11:56 ` Gary Thomas
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