Commit-ID: 786964a35e95596bbade35eab393fd9b01bd2cad Gitweb: http://git.kernel.org/tip/786964a35e95596bbade35eab393fd9b01bd2cad Author: Jiang Liu <jiang....@linux.intel.com> AuthorDate: Tue, 25 Nov 2014 13:53:23 +0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 26 Nov 2014 18:59:25 +0100
x86, irq: Directly call native_compose_msi_msg() for DMAR IRQ DMAR interrupt won't be remapped by interrupt remapping hardware, so directly call native_compose_msi_msg() for DMAR IRQ to compose MSI message data. This will help to simplify MSI code later. Signed-off-by: Jiang Liu <jiang....@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> Cc: Tony Luck <tony.l...@intel.com> Cc: Joerg Roedel <j...@8bytes.org> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: Bjorn Helgaas <bhelg...@google.com> Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org> Cc: Rafael J. Wysocki <r...@rjwysocki.net> Cc: Randy Dunlap <rdun...@infradead.org> Cc: Yinghai Lu <ying...@kernel.org> Cc: Borislav Petkov <b...@alien8.de> Link: http://lkml.kernel.org/r/1416894816-23245-15-git-send-email-jiang....@linux.intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/x86/kernel/apic/msi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index e82ab79..fa2dd6e 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -259,12 +259,10 @@ static struct irq_chip dmar_msi_type = { int arch_setup_dmar_msi(unsigned int irq) { - int ret; struct msi_msg msg; + struct irq_cfg *cfg = irq_cfg(irq); - ret = msi_compose_msg(NULL, irq, &msg, -1); - if (ret < 0) - return ret; + native_compose_msi_msg(NULL, irq, cfg->dest_apicid, &msg, -1); dmar_msi_write(irq, &msg); irq_set_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq, "edge"); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
