| Message ID | 1277254470.6003.736.camel@emiko |
|---|---|
| State | Accepted |
| Delegated to: | Leann Ogasawara |
| Headers | show |
Seems to be good enough reasoning to have it turned on now (which would give time to have it tested) On 06/23/2010 02:54 AM, Leann Ogasawara wrote: > Interrupt-remapping is part of the Intel Virtualization Technology for > Directed I/O architecture. The specification can be found from: > > http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf > > It's been requested (I've CC'd Yinying) that we enable the > CONFIG_INTR_REMAP option in Maverick. Even though it's noted as > EXPERIMENTAL in the Kconfig, testing from Intel has shown it to be > stable. > > BugLink: http://bugs.launchpad.net/bugs/597091 > > config INTR_REMAP > bool "Support for Interrupt Remapping (EXPERIMENTAL)" > depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL > ---help--- > Supports Interrupt remapping for IO-APIC and MSI devices. > To use x2apic mode in the CPU's which support x2APIC enhancements or > to support platforms with CPU's having > 8 bit APIC ID, say Y. > > ===== > >>From 070368f064201158569e0a57e7cdd7d7544a4939 Mon Sep 17 00:00:00 2001 > From: Leann Ogasawara <leann.ogasawara@canonical.com> > Date: Tue, 22 Jun 2010 12:42:35 -0700 > Subject: [PATCH 1/2] UBUNTU: [Config] Enable CONFIG_INTR_REMAP=y > > Interrupt-remapping is part of the Intel Virtualization Technology for > Directed I/O architecture and the specification can be found from: > > http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf > > BugLink: http://bugs.launchpad.net/bugs/597091 > > Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com> Acked-by: Stefan Bader <stefan.bader@canonical.com> > --- > debian.master/config/amd64/config.common.amd64 | 1 + > debian.master/config/armel/config.common.armel | 1 + > debian.master/config/config.common.ubuntu | 2 +- > debian.master/config/i386/config.common.i386 | 1 + > 4 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/debian.master/config/amd64/config.common.amd64 b/debian.master/config/amd64/config.common.amd64 > index 783b7ac..9a0c022 100644 > --- a/debian.master/config/amd64/config.common.amd64 > +++ b/debian.master/config/amd64/config.common.amd64 > @@ -72,6 +72,7 @@ CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 > CONFIG_INPUT_JOYDEV=m > CONFIG_INPUT_JOYSTICK=y > CONFIG_INPUT_TOUCHSCREEN=y > +CONFIG_INTR_REMAP=y > CONFIG_IOMMU_API=y > CONFIG_IOMMU_HELPER=y > CONFIG_IPMI_HANDLER=m > diff --git a/debian.master/config/armel/config.common.armel b/debian.master/config/armel/config.common.armel > index 262a404..f994606 100644 > --- a/debian.master/config/armel/config.common.armel > +++ b/debian.master/config/armel/config.common.armel > @@ -27,6 +27,7 @@ CONFIG_FONTS=y > CONFIG_HAVE_AOUT=y > CONFIG_HAVE_GENERIC_DMA_COHERENT=y > # CONFIG_HUGETLB_PAGE is not set > +# CONFIG_INTR_REMAP is not set > # CONFIG_IPMI_HANDLER is not set > # CONFIG_LAPBETHER is not set > # CONFIG_MFD_JANZ_CMODIO is not set > diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu > index 231120b..85258f1 100644 > --- a/debian.master/config/config.common.ubuntu > +++ b/debian.master/config/config.common.ubuntu > @@ -1974,7 +1974,6 @@ CONFIG_INTEL_IDLE=m > CONFIG_INTEL_IOATDMA=m > CONFIG_INTEL_MENLOW=m > CONFIG_INTEL_SCU_IPC=y > -# CONFIG_INTR_REMAP is not set > # CONFIG_IOMMU_DEBUG is not set > # CONFIG_IOMMU_STRESS is not set > CONFIG_IOSCHED_CFQ=y > @@ -5001,6 +5000,7 @@ CONFIG_X86_TSC=y > # CONFIG_X86_VERBOSE_BOOTUP is not set > # CONFIG_X86_VSMP is not set > CONFIG_X86_WP_WORKS_OK=y > +# CONFIG_X86_X2APIC is not set > CONFIG_X86_XADD=y > CONFIG_XEN=y > CONFIG_XENFS=m > diff --git a/debian.master/config/i386/config.common.i386 b/debian.master/config/i386/config.common.i386 > index 92110fd..9c0cd82 100644 > --- a/debian.master/config/i386/config.common.i386 > +++ b/debian.master/config/i386/config.common.i386 > @@ -74,6 +74,7 @@ CONFIG_ILLEGAL_POINTER_VALUE=0 > CONFIG_INPUT_JOYDEV=m > CONFIG_INPUT_JOYSTICK=y > CONFIG_INPUT_TOUCHSCREEN=y > +# CONFIG_INTR_REMAP is not set > # CONFIG_IOMMU_API is not set > # CONFIG_IOMMU_HELPER is not set > CONFIG_IPMI_HANDLER=m
On 06/22/2010 06:54 PM, Leann Ogasawara wrote: > Interrupt-remapping is part of the Intel Virtualization Technology for > Directed I/O architecture. The specification can be found from: > > http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf > > It's been requested (I've CC'd Yinying) that we enable the > CONFIG_INTR_REMAP option in Maverick. Even though it's noted as > EXPERIMENTAL in the Kconfig, testing from Intel has shown it to be > stable. > > BugLink: http://bugs.launchpad.net/bugs/597091 > > config INTR_REMAP > bool "Support for Interrupt Remapping (EXPERIMENTAL)" > depends on X86_64&& X86_IO_APIC&& PCI_MSI&& ACPI&& EXPERIMENTAL > ---help--- > Supports Interrupt remapping for IO-APIC and MSI devices. > To use x2apic mode in the CPU's which support x2APIC enhancements or > to support platforms with CPU's having> 8 bit APIC ID, say Y. > > ===== > Well, this complicates things. Better keep "nointremap" in your bag of tricks when debugging why Intel server devices don't work. rtg
Applied to Maverick linux master. Thanks, Leann On Tue, 2010-06-22 at 17:54 -0700, Leann Ogasawara wrote: > Interrupt-remapping is part of the Intel Virtualization Technology for > Directed I/O architecture. The specification can be found from: > > http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf > > It's been requested (I've CC'd Yinying) that we enable the > CONFIG_INTR_REMAP option in Maverick. Even though it's noted as > EXPERIMENTAL in the Kconfig, testing from Intel has shown it to be > stable. > > BugLink: http://bugs.launchpad.net/bugs/597091 > > config INTR_REMAP > bool "Support for Interrupt Remapping (EXPERIMENTAL)" > depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL > ---help--- > Supports Interrupt remapping for IO-APIC and MSI devices. > To use x2apic mode in the CPU's which support x2APIC enhancements or > to support platforms with CPU's having > 8 bit APIC ID, say Y. > > ===== > > >From 070368f064201158569e0a57e7cdd7d7544a4939 Mon Sep 17 00:00:00 2001 > From: Leann Ogasawara <leann.ogasawara@canonical.com> > Date: Tue, 22 Jun 2010 12:42:35 -0700 > Subject: [PATCH 1/2] UBUNTU: [Config] Enable CONFIG_INTR_REMAP=y > > Interrupt-remapping is part of the Intel Virtualization Technology for > Directed I/O architecture and the specification can be found from: > > http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf > > BugLink: http://bugs.launchpad.net/bugs/597091 > > Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com> > --- > debian.master/config/amd64/config.common.amd64 | 1 + > debian.master/config/armel/config.common.armel | 1 + > debian.master/config/config.common.ubuntu | 2 +- > debian.master/config/i386/config.common.i386 | 1 + > 4 files changed, 4 insertions(+), 1 deletions(-) > > diff --git a/debian.master/config/amd64/config.common.amd64 b/debian.master/config/amd64/config.common.amd64 > index 783b7ac..9a0c022 100644 > --- a/debian.master/config/amd64/config.common.amd64 > +++ b/debian.master/config/amd64/config.common.amd64 > @@ -72,6 +72,7 @@ CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 > CONFIG_INPUT_JOYDEV=m > CONFIG_INPUT_JOYSTICK=y > CONFIG_INPUT_TOUCHSCREEN=y > +CONFIG_INTR_REMAP=y > CONFIG_IOMMU_API=y > CONFIG_IOMMU_HELPER=y > CONFIG_IPMI_HANDLER=m > diff --git a/debian.master/config/armel/config.common.armel b/debian.master/config/armel/config.common.armel > index 262a404..f994606 100644 > --- a/debian.master/config/armel/config.common.armel > +++ b/debian.master/config/armel/config.common.armel > @@ -27,6 +27,7 @@ CONFIG_FONTS=y > CONFIG_HAVE_AOUT=y > CONFIG_HAVE_GENERIC_DMA_COHERENT=y > # CONFIG_HUGETLB_PAGE is not set > +# CONFIG_INTR_REMAP is not set > # CONFIG_IPMI_HANDLER is not set > # CONFIG_LAPBETHER is not set > # CONFIG_MFD_JANZ_CMODIO is not set > diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu > index 231120b..85258f1 100644 > --- a/debian.master/config/config.common.ubuntu > +++ b/debian.master/config/config.common.ubuntu > @@ -1974,7 +1974,6 @@ CONFIG_INTEL_IDLE=m > CONFIG_INTEL_IOATDMA=m > CONFIG_INTEL_MENLOW=m > CONFIG_INTEL_SCU_IPC=y > -# CONFIG_INTR_REMAP is not set > # CONFIG_IOMMU_DEBUG is not set > # CONFIG_IOMMU_STRESS is not set > CONFIG_IOSCHED_CFQ=y > @@ -5001,6 +5000,7 @@ CONFIG_X86_TSC=y > # CONFIG_X86_VERBOSE_BOOTUP is not set > # CONFIG_X86_VSMP is not set > CONFIG_X86_WP_WORKS_OK=y > +# CONFIG_X86_X2APIC is not set > CONFIG_X86_XADD=y > CONFIG_XEN=y > CONFIG_XENFS=m > diff --git a/debian.master/config/i386/config.common.i386 b/debian.master/config/i386/config.common.i386 > index 92110fd..9c0cd82 100644 > --- a/debian.master/config/i386/config.common.i386 > +++ b/debian.master/config/i386/config.common.i386 > @@ -74,6 +74,7 @@ CONFIG_ILLEGAL_POINTER_VALUE=0 > CONFIG_INPUT_JOYDEV=m > CONFIG_INPUT_JOYSTICK=y > CONFIG_INPUT_TOUCHSCREEN=y > +# CONFIG_INTR_REMAP is not set > # CONFIG_IOMMU_API is not set > # CONFIG_IOMMU_HELPER is not set > CONFIG_IPMI_HANDLER=m > -- > 1.7.0.4 > > > >
===== >From 070368f064201158569e0a57e7cdd7d7544a4939 Mon Sep 17 00:00:00 2001 From: Leann Ogasawara <leann.ogasawara@canonical.com> Date: Tue, 22 Jun 2010 12:42:35 -0700 Subject: [PATCH 1/2] UBUNTU: [Config] Enable CONFIG_INTR_REMAP=y Interrupt-remapping is part of the Intel Virtualization Technology for Directed I/O architecture and the specification can be found from: http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf BugLink: http://bugs.launchpad.net/bugs/597091 Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com> --- debian.master/config/amd64/config.common.amd64 | 1 + debian.master/config/armel/config.common.armel | 1 + debian.master/config/config.common.ubuntu | 2 +- debian.master/config/i386/config.common.i386 | 1 + 4 files changed, 4 insertions(+), 1 deletions(-) diff --git a/debian.master/config/amd64/config.common.amd64 b/debian.master/config/amd64/config.common.amd64 index 783b7ac..9a0c022 100644 --- a/debian.master/config/amd64/config.common.amd64 +++ b/debian.master/config/amd64/config.common.amd64 @@ -72,6 +72,7 @@ CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 CONFIG_INPUT_JOYDEV=m CONFIG_INPUT_JOYSTICK=y CONFIG_INPUT_TOUCHSCREEN=y +CONFIG_INTR_REMAP=y CONFIG_IOMMU_API=y CONFIG_IOMMU_HELPER=y CONFIG_IPMI_HANDLER=m diff --git a/debian.master/config/armel/config.common.armel b/debian.master/config/armel/config.common.armel index 262a404..f994606 100644 --- a/debian.master/config/armel/config.common.armel +++ b/debian.master/config/armel/config.common.armel @@ -27,6 +27,7 @@ CONFIG_FONTS=y CONFIG_HAVE_AOUT=y CONFIG_HAVE_GENERIC_DMA_COHERENT=y # CONFIG_HUGETLB_PAGE is not set +# CONFIG_INTR_REMAP is not set # CONFIG_IPMI_HANDLER is not set # CONFIG_LAPBETHER is not set # CONFIG_MFD_JANZ_CMODIO is not set diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu index 231120b..85258f1 100644 --- a/debian.master/config/config.common.ubuntu +++ b/debian.master/config/config.common.ubuntu @@ -1974,7 +1974,6 @@ CONFIG_INTEL_IDLE=m CONFIG_INTEL_IOATDMA=m CONFIG_INTEL_MENLOW=m CONFIG_INTEL_SCU_IPC=y -# CONFIG_INTR_REMAP is not set # CONFIG_IOMMU_DEBUG is not set # CONFIG_IOMMU_STRESS is not set CONFIG_IOSCHED_CFQ=y @@ -5001,6 +5000,7 @@ CONFIG_X86_TSC=y # CONFIG_X86_VERBOSE_BOOTUP is not set # CONFIG_X86_VSMP is not set CONFIG_X86_WP_WORKS_OK=y +# CONFIG_X86_X2APIC is not set CONFIG_X86_XADD=y CONFIG_XEN=y CONFIG_XENFS=m diff --git a/debian.master/config/i386/config.common.i386 b/debian.master/config/i386/config.common.i386 index 92110fd..9c0cd82 100644 --- a/debian.master/config/i386/config.common.i386 +++ b/debian.master/config/i386/config.common.i386 @@ -74,6 +74,7 @@ CONFIG_ILLEGAL_POINTER_VALUE=0 CONFIG_INPUT_JOYDEV=m CONFIG_INPUT_JOYSTICK=y CONFIG_INPUT_TOUCHSCREEN=y +# CONFIG_INTR_REMAP is not set # CONFIG_IOMMU_API is not set # CONFIG_IOMMU_HELPER is not set CONFIG_IPMI_HANDLER=m
Interrupt-remapping is part of the Intel Virtualization Technology for Directed I/O architecture. The specification can be found from: http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf It's been requested (I've CC'd Yinying) that we enable the CONFIG_INTR_REMAP option in Maverick. Even though it's noted as EXPERIMENTAL in the Kconfig, testing from Intel has shown it to be stable. BugLink: http://bugs.launchpad.net/bugs/597091 config INTR_REMAP bool "Support for Interrupt Remapping (EXPERIMENTAL)" depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL ---help--- Supports Interrupt remapping for IO-APIC and MSI devices. To use x2apic mode in the CPU's which support x2APIC enhancements or to support platforms with CPU's having > 8 bit APIC ID, say Y.