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Altera_Forum
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14 years ago

How to request multiply MSI interrupts?

Hi !!! Developing a network device driver on Arria2 GX (Avalon-ST). Is it possible to set a vector of 8 MSI interrupts , if the design supports only MSI interrupts, not MSI - X? From the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi,

Thanks for the patch file. but I couldn't executed it and got the following output: 


# patch -p0 -i 0001-Add-support-for-multiple-MSI-on-x86.patch
(Stripping trailing CRs from patch.)
can't find file to patch at input line 12
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|---
| arch/x86/kernel/apic/io_apic.c |  310 ++++++++++++++++++++++++++++++++++------
| arch/x86/kernel/hpet.c         |    2 +-
| drivers/pci/htirq.c            |    2 +-
| include/linux/irq.h            |    3 +-
| 4 files changed, 271 insertions(+), 46 deletions(-)
|
|diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
|index fadcd74..5e9decc 100644
|--- a/arch/x86/kernel/apic/io_apic.c
|+++ b/arch/x86/kernel/apic/io_apic.c
Line 12 @@ -249,11 +249,6 @@ static struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node)
--------------------------
File to patch: