| Message ID | 1440492620-15934-18-git-send-email-feng.wu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 25/08/2015 10:50, Feng Wu wrote: > Enable VT-d Posted-Interrtups and add a command line > parameter for it. > > Signed-off-by: Feng Wu <feng.wu@intel.com> > --- > Documentation/kernel-parameters.txt | 1 + > drivers/iommu/irq_remapping.c | 12 ++++++++---- > 2 files changed, 9 insertions(+), 4 deletions(-) > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > index 1d6f045..52aca36 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -1547,6 +1547,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. > nosid disable Source ID checking > no_x2apic_optout > BIOS x2APIC opt-out request will be ignored > + nopost disable Interrupt Posting > > iomem= Disable strict checking of access to MMIO memory > strict regions from userspace. > diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c > index 2d99930..d8c3997 100644 > --- a/drivers/iommu/irq_remapping.c > +++ b/drivers/iommu/irq_remapping.c > @@ -22,7 +22,7 @@ int irq_remap_broken; > int disable_sourceid_checking; > int no_x2apic_optout; > > -int disable_irq_post = 1; > +int disable_irq_post = 0; > > static int disable_irq_remap; > static struct irq_remap_ops *remap_ops; > @@ -58,14 +58,18 @@ static __init int setup_irqremap(char *str) > return -EINVAL; > > while (*str) { > - if (!strncmp(str, "on", 2)) > + if (!strncmp(str, "on", 2)) { > disable_irq_remap = 0; > - else if (!strncmp(str, "off", 3)) > + disable_irq_post = 0; > + } else if (!strncmp(str, "off", 3)) { > disable_irq_remap = 1; > - else if (!strncmp(str, "nosid", 5)) > + disable_irq_post = 1; > + } else if (!strncmp(str, "nosid", 5)) > disable_sourceid_checking = 1; > else if (!strncmp(str, "no_x2apic_optout", 16)) > no_x2apic_optout = 1; > + else if (!strncmp(str, "nopost", 6)) > + disable_irq_post = 1; > > str += strcspn(str, ","); > while (*str == ',') > Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1d6f045..52aca36 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1547,6 +1547,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. nosid disable Source ID checking no_x2apic_optout BIOS x2APIC opt-out request will be ignored + nopost disable Interrupt Posting iomem= Disable strict checking of access to MMIO memory strict regions from userspace. diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 2d99930..d8c3997 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -22,7 +22,7 @@ int irq_remap_broken; int disable_sourceid_checking; int no_x2apic_optout; -int disable_irq_post = 1; +int disable_irq_post = 0; static int disable_irq_remap; static struct irq_remap_ops *remap_ops; @@ -58,14 +58,18 @@ static __init int setup_irqremap(char *str) return -EINVAL; while (*str) { - if (!strncmp(str, "on", 2)) + if (!strncmp(str, "on", 2)) { disable_irq_remap = 0; - else if (!strncmp(str, "off", 3)) + disable_irq_post = 0; + } else if (!strncmp(str, "off", 3)) { disable_irq_remap = 1; - else if (!strncmp(str, "nosid", 5)) + disable_irq_post = 1; + } else if (!strncmp(str, "nosid", 5)) disable_sourceid_checking = 1; else if (!strncmp(str, "no_x2apic_optout", 16)) no_x2apic_optout = 1; + else if (!strncmp(str, "nopost", 6)) + disable_irq_post = 1; str += strcspn(str, ","); while (*str == ',')
Enable VT-d Posted-Interrtups and add a command line parameter for it. Signed-off-by: Feng Wu <feng.wu@intel.com> --- Documentation/kernel-parameters.txt | 1 + drivers/iommu/irq_remapping.c | 12 ++++++++---- 2 files changed, 9 insertions(+), 4 deletions(-)