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* [PATCH] fbdev: Resurrect hooks to get EDID from firmwareAntonino A. Daplas2005-09-092-1/+2
| | | | | | | | | | | | | For the i386, code is already present in video.S that gets the EDID from the video BIOS. Make this visible so drivers can also use this data as fallback when i2c does not work. To ensure that the EDID block is returned for the primary graphics adapter only, by check if the IORESOURCE_ROM_SHADOW flag is set. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] vesafb: Add blanking supportAntonino A. Daplas2005-09-091-0/+5
| | | | | | | | | | Add rudimentary support by manipulating the VGA registers. However, not all vesa modes are VGA compatible, so VGA compatiblity is checked first. Only 2 levels are supported, powerup and powerdown. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] files: lock-free fd look-upDipankar Sarma2005-09-092-5/+7
| | | | | | | | | | | | With the use of RCU in files structure, the look-up of files using fds can now be lock-free. The lookup is protected by rcu_read_lock()/rcu_read_unlock(). This patch changes the readers to use lock-free lookup. Signed-off-by: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Ravikiran Thirumalai <kiran_th@gmail.com> Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] files-sparc64-fix 2Dipankar Sarma2005-09-091-7/+22
| | | | | | | | | Fix sparc64 timod to use the new files_fdtable() api to get the fd table. This is necessary for RCUification. Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] files: break up files structDipankar Sarma2005-09-093-6/+13
| | | | | | | | | | | | | | | In order for the RCU to work, the file table array, sets and their sizes must be updated atomically. Instead of ensuring this through too many memory barriers, we put the arrays and their sizes in a separate structure. This patch takes the first step of putting the file table elements in a separate structure fdtable that is embedded withing files_struct. It also changes all the users to refer to the file table using files_fdtable() macro. Subsequent applciation of RCU becomes easier after this. Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Prefetch kernel stacks to speed up context switchChen, Kenneth W2005-09-091-0/+23
| | | | | | | | | | | | | | | For architecture like ia64, the switch stack structure is fairly large (currently 528 bytes). For context switch intensive application, we found that significant amount of cache misses occurs in switch_to() function. The following patch adds a hook in the schedule() function to prefetch switch stack structure as soon as 'next' task is determined. This allows maximum overlap in prefetch cache lines for that structure. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] alpha: process_reloc_for_got confuses r_offset and r_addendChaskiel Grundman2005-09-091-4/+4
| | | | | | | | | | | | | | | | | | | | | | arch/alpha/kernel/module.c:process_reloc_for_got(), which figures out how big the .got section for a module should be, appears to be confusing r_offset (the file offset that the relocation needs to be applied to) with r_addend (the offset of the relocation's actual target address from the address of the relocation's symbol). Because of this, one .got entry is allocated for each relocation instead of one each unique symbol/addend. In the module I am working with, this causes the .got section to be almost 10 times larger than it needs to be (75544 bytes instead of 7608 bytes). As the .got is accessed with global-pointer-relative instructions, it needs to be within the 64k gp "zone", and a 75544 byte .got clearly does not fit. The result of this is that relocation overflows are detected during module load and the load is aborted. Change struct got_entry/process_reloc_for_got to fix this. Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Don't call enforce_max_cpus when hotplug is enabledAshok Raj2005-09-091-19/+0
| | | | | | | | | | | enforce_max_cpus nukes out cpu_present_map and cpu_possible_map making it impossible to add new cpus in the system. Since it doesnt provide any additional value apart this call and reference is removed. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86_64: Don't do broadcast IPIs when hotplug is enabled in flat mode.Ashok Raj2005-09-091-0/+10
| | | | | | | | | | | | | | | The use of non-shortcut version of routines breaking CPU hotplug. The option to select this via cmdline also is deleted with the physflat patch, hence directly placing this code under CONFIG_HOTPLUG_CPU. We dont want to use broadcast mode IPI's when hotplug is enabled. This causes bad effects in send IPI to a cpu that is offline which can trip when the cpu is in the process of being kicked alive. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Acked-by: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] i386: seccomp fix for auditing/ptraceAndrea Arcangeli2005-09-091-8/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the same issue as ppc64 before, when returning to userland we shouldn't re-compute the seccomp check or the task could be killed during sigreturn when orig_eax is overwritten by the sigreturn syscall. This was found by Roland. This was harmless from a security standpoint, but some i686 users reported failures with auditing enabled system wide (some distro surprisingly makes it the default) and I reproduced it too by keeping the whole workload under strace -f. Patch is tested and works for me under strace -f. nobody@athlon:~/cpushare> strace -o /tmp/o -f python seccomp_test.py make: Nothing to be done for `seccomp_test'. Starting computing some malicious bytecode init load start stop receive_data failure kill exit_code 0 signal 9 The malicious bytecode has been killed successfully by seccomp Starting computing some safe bytecode init load start stop 174 counts kill exit_code 0 signal 0 The seccomp_test.py completed successfully, thank you for testing. (akpm: collaterally cleaned up a bit of do_syscall_trace() too) Signed-off-by: Andrea Arcangeli <andrea@cpushare.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mips: add TANBAC TB0287 supportYoichi Yuasa2005-09-094-0/+1114
| | | | | | | | | Add TANBAC TB0287 support. Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: Kill PVR_440* definesTom Rini2005-09-092-12/+8
| | | | | | | | | | | | | | | The following patch changes the usages of PVR_440* into strcmp's with the cpu_name field, and removes the defines altogether. The Ebony portion was briefly tested long ago. One benefit of moving from PVR-tests to string tests in general is that not all CPUs can be on and be able to do this type of comparison. See http://patchwork.ozlabs.org/linuxppc/patch?id=1250 for the original thread. Signed-off-by: Tom Rini <trini@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: In the boot code, don't rely on BASE_BAUD directlyTom Rini2005-09-091-3/+5
| | | | | | | | | | | | | | Modifies serial_init to get base baud rate from the rs_table entry instead of BAUD_BASE. This patch eliminates duplication between the SERIAL_PORT_DFNS macro and BAUD_BASE. Without the patch, if a port set the baud rate in SERIAL_PORT_DFNS, but did not update BASE_BAUD, the BASE_BAUD value would still be used. Signed-off-by: Grant Likely <grant.likely@gdcanada.com> Signed-off-by: Tom Rini <trini@kernel.crashing.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: Correct an instruction in the boot codeFrank van Maarseveen2005-09-091-1/+1
| | | | | | | | | | In the flush and invalidate bootcode on PPC4xx we were accidentally using the wrong instruction. Use cmplw, which reads from a register like we want. Signed-off-by: Tom Rini <trini@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: make perfmon.o CONFIG_E500 specificMarcelo Tosatti2005-09-092-1/+4
| | | | | | | | | Subject says it all, there is no need to link perfmon.o on sub-architectures other than CONFIG_E500. Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc32: Fix Kconfig mismergeKumar Gala2005-09-091-5/+5
| | | | | | | | Looks like the help comment for MPC834x got merged incorrectly. Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] x86: MP_processor_info fixAndrew Morton2005-09-091-14/+10
| | | | | | | | | | | Remove the weird and apparently unnecessary logic in MP_processor_info() which assumes that the BSP is the first one to run MP_processor_info(). On one of my boxes that isn't true and cpu_possible_map gets the wrong value. Cc: Zwane Mwaikambo <zwane@arm.linux.org.uk> Cc: Alexander Nyberg <alexn@telia.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6 Linus Torvalds2005-09-0924-207/+333
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| * Allow PCI config space syscalls to be used by 64-bit processes.Paul Mackerras2005-09-093-57/+64
| | | | | | | | | | | | | | | | | | | | The pciconfig_iobase, pciconfig_read and pciconfig_write system calls were only implemented for 32-bit processes; for 64-bit processes they returned an ENOSYS error. This allows them to be used by 64-bit processes as well. The X server uses pciconfig_iobase at least, and this change is necessary to allow a 64-bit X server to work on my G5. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Big-endian I/O memory accessors.Arthur Othieno2005-09-091-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | I/O memory accessors. Big-endian version. For those busses/devices that do export big-endian I/O memory. Of notable relevance/reference: http://lwn.net/Articles/132804/ http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019798.html http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019752.html Signed-Off-By: Arthur Othieno <a.othieno@bluewin.ch> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] Separate pci bits out of struct device_nodePaul Mackerras2005-09-0914-101/+151
| | | | | | | | | | | | | | | | | | | | | | This patch pulls the PCI-related junk out of struct device_node and puts it in a separate structure, struct pci_dn. The device_node now just has a void * pointer in it, which points to a struct pci_dn for nodes that represent PCI devices. It could potentially be used in future for device-specific data for other sorts of devices, such as virtual I/O devices. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] PPC64: large INITRD causes kernel not to bootMark Bellon2005-09-091-5/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In PPC64 there are number of problems in arch/ppc64/boot/main.c that prevent a kernel from making use of a large (greater than ~16MB) INITRD. This is 64 bit architecture and really large INITRD images should be possible. Simply put the existing code has a fixed reservation (claim) address and once the kernel plus initrd image are large enough to pass this address all sorts of bad things occur. The fix is the dynamically establish the first claim address above the loaded kernel plus initrd (plus some "padding" and rounding). If PROG_START is defined this will be used as the minimum safe address - currently known to be 0x01400000 for the firmwares tested so far. Signed-off-by: Mark Bellon <mbellon@mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: makefile cleanupGeoff Levand2005-09-091-13/+15
| | | | | | | | | | | | | | This patch cleans up the output generated by ppc64 builds. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: zimage build fixGeoff Levand2005-09-092-16/+30
| | | | | | | | | | Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] powerpc: Make check_bugs() static inlinejdl@freescale.com2005-09-092-8/+0
| | | | | | | | | | | | | | | | Make check_bugs() static inline and remove it from syscalls.c. Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Kumar Gala <kumar.gala@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: iSeries early printk breakageStephen Rothwell2005-09-091-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | The earlier commit 8d9273918635f0301368c01b56c03a6f339e8d51 (Consolidate early console and PPCDBG code) broke iSeries because it caused unregister_console(&udbg_console) to be called unconditionally. iSeries never registers the udbg_console. This just reverts part of the change. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: Fix oops for !CONFIG_NUMAMichael Ellerman2005-09-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | The SPARSEMEM EXTREME code (802f192e4a600f7ef84ca25c8b818c8830acef5a) that went in yesterday broke PPC64 for !CONFIG_NUMA. The problem is that (free|reserve)_bootmem don't take a page number as their first argument, they take an address. Ruh roh. Booted on P5 LPAR, iSeries and G5. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * [PATCH] ppc64: fix IPI on bpa_iicArnd Bergmann2005-09-091-7/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a severe bug in the bpa_iic driver that caused all sorts of problems. We had been using incorrect priority values for inter processor interrupts, which resulted in always doing CALL_FUNCTION instead of RESCHEDULE or DEBUGGER_BREAK. The symptoms cured by this patch include bad performance on SMP systems spurious kernel panics in the IPI code. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | [PATCH] Fix misspelled i8259 typo in io_apic.cKarsten Wiese2005-09-092-4/+4
| | | | | | | | | | | | | | | | The legacy PIC's name is "i8259". Signed-off-by: Karsten Wiese <annabellesgarden@yahoo.de> Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] __user annotations for pointers in i386 sigframeviro@ZenIV.linux.org.uk2005-09-091-4/+4
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] uaccess.h annotations (uml)viro@ZenIV.linux.org.uk2005-09-092-14/+14
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] sparse on uml (infrastructure bits)viro@ZenIV.linux.org.uk2005-09-092-0/+6
| | | | | | | | | | | | | | | | Passes -m64 to sparse on uml/amd64, tells sparse to stay out of USER_OBJS. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] missing CHECKFLAGS on s390viro@ZenIV.linux.org.uk2005-09-091-0/+2
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] basic iomem annotations (ppc64)viro@ZenIV.linux.org.uk2005-09-091-6/+6
|/ | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: extract common timer code for 68EZ328 processorGreg Ungerer2005-09-081-59/+21
| | | | | | | | | Rework the 68x328 configuration and setup code. All 68x328 varients share the same timer hardware. So extract that into its own file, instead of keeping copies in each processors setup code. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: create common timer code for 68x328 processor varientsGreg Ungerer2005-09-081-0/+106
| | | | | | | Create common timer code for all 68x328 processor varients. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: register map setup for MOD5272 boardGreg Ungerer2005-09-081-3/+3
| | | | | | | | | The boot loader on the MOD5272 board doesn't set the register maping, so set it in the 5272 init code. There was code in there to support this, but we had never needed to use it before. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: add timer support for the 523x ColdFire processor familyGreg Ungerer2005-09-081-0/+1
| | | | | | | | Add timer support for the ColdFire 523x processor family. (It uses the ColdFire PIT timer hardware, so we just build that in). Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: extract common timer code for 68328 processorGreg Ungerer2005-09-081-73/+21
| | | | | | | | | Rework the 68x328 configuration and setup code. All 68x328 varient share the same timer hardware, so extract that into its own file, instead of keeping copies in each processors setup code. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: create common config code for all 68VZ328 platformsGreg Ungerer2005-09-081-0/+210
| | | | | | | | | Create common 68VZ328 config code. It is essentially the same for all boards that use this, so no point having a version of it for each. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: remove DrangonEngine2 specific config codeGreg Ungerer2005-09-081-191/+0
| | | | | | | | Remove DragonEngine2 specific config code. Use common 68VZ328 config code now. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: remove uCdimm specific config codeGreg Ungerer2005-09-081-117/+0
| | | | | | | Remove uCdimm specific config code. Use common 68VZ328 config code now. Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] m68knommu: 523x ColdFire processor init/config MakefileGreg Ungerer2005-09-081-0/+19
| | | | | Signed-off-by: Greg Ungerer <gerg@uclinux.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'release' of ↵Linus Torvalds2005-09-0814-24/+19
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6
| * [IA64] Manual merge fix for 3 filesTony Luck2005-09-08184-2311/+3374
| |\ | | | | | | | | | | | | | | | | | | | | | arch/ia64/Kconfig arch/ia64/kernel/acpi.c include/asm-ia64/irq.h Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | [IA64] Increase max physical address for SN platformsJack Steiner2005-09-081-1/+1
| | | | | | | | | | | | | | | | | | | | | Increase the value for the maximum physical address on SN systems. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | [IA64] ensure XPC and XPNET are loaded on sn2 platforms onlyDean Nelson2005-09-082-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | These are SN2 only drivers. They should have platform checks to prevent them from doing evil stuff in GENERIC kernels. Signed-off-by: Martin Hicks <mort@sgi.com> Acked-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | [IA64] defconfig: turn off QLOGIC_FCMartin Hicks2005-09-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Turn off the QLOGIC_FC driver. Supposedly qla2xxx should support these devices. Do any ia64 machines have one of these devices as the boot device? Signed-off-by: Martin Hicks <mort@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | [IA64] Minor cleanups - remove CONFIG_ACPI_DEALLOCATE_IRQKenji Kaneshige2005-09-078-15/+0
| | | | | | | | | | | | | | | | | | | | | | | | The config option 'CONFIG_ACPI_DEALLOCATE_IRQ' is no longer needed. This patch removes it. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| * | [IA64] minor performance tune-up in ia64_switch_toChen, Kenneth W2005-09-071-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The reenabling of psr.ic should really belong to dtr mapping code block. It make the fall through code fast since it doesn't need to execute the predicated-off instruction. Logically make more sense as well since psr.ic was turned off in .map code block. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>