Hi Tony, Luck, Tony wrote: >> Here is a series of patches for ia64 vector domain. By these patches, we can >> use more than 256 irqs. The patchset is based on existing x86-64 vector >> domain >> code. This is for 2.6.22-rc5 and I tested them on my ia64 box. > > There are a few whitespace issues (<space><tab>) amongst these patches (I > think > in parts 6 & 13). Here's the summary of the broken bits: > > < + unsigned int gsi_base; /* GSI base */ > < + unsigned short num_rte; /* # of RTEs on this IOSAPIC */ > --- >> + unsigned int gsi_base; /* GSI base */ >> + unsigned short num_rte; /* # of RTEs on this IOSAPIC */ > > < + if (irq < 0) > --- >> + if (irq < 0) > > < +#define IRQ_RSVD (2) > --- >> +#define IRQ_RSVD (2) > > < + return vector; > --- >> + return vector; > > I also got two build errors which broke several configurations: > > tiger-up (this is arch/ia64/configs/tiger_defconfig with CONFIG_SMP deleted) > > arch/ia64/kernel/irq_ia64.c: In function `parse_vector_domain': > arch/ia64/kernel/irq_ia64.c:270: error: `no_int_routing' undeclared (first > use in this function) > arch/ia64/kernel/irq_ia64.c:270: error: (Each undeclared identifier is > reported only once > arch/ia64/kernel/irq_ia64.c:270: error: for each function it appears in.) > make[1]: *** [arch/ia64/kernel/irq_ia64.o] Error 1 > > generic-up (arch/ia64/defconfig with CONFIG_SMP deleted) > > same error as tiger-up > > generic-smp (arch/ia64-defconfig) > > CC arch/ia64/kernel/asm-offsets.s > In file included from include/linux/hardirq.h:7, > from include/linux/interrupt.h:11, > from include/asm-ia64/mca.h:16, > from arch/ia64/kernel/asm-offsets.c:15: > include/asm/hardirq.h:30:3: #error HARDIRQ_BITS is too low! > make[1]: *** [arch/ia64/kernel/asm-offsets.s] Error 1 > > > sn2-smp (arch/ia64/configs/sn2_defconfig) > > same error as generic-smp > > generic-sparse (arch/ia64/configs/gensparse_defconfig) > > same error as generic-smp > > allnoconfig (make allnoconfig) > > same error as tiger-up > > > > Booting the arch/ia64/configs/tiger_defconfig kernel on my 4-socket Montecito > tiger platform, I > get an almost immediate oops. I don't have the full stack backtrace, but the > highlights were: > > die > ia64_do_page_fault > ia64_leave_kernel > ia64_handle_irq > ia64_leave_kernel > unlock_ipi_calllock > start_secondary > > I tried both with and without the new "vector=percpu" boot option (which > needs to be > documented in Documentation/kernel-parameters.txt), but it dies with the same > stack trace both ways. >
I tried it on my 4-socket Montecito machine, but didn't happen. Could you send me your .config file and entire stack trace ? Thanks, Yasuaki Ishimatsu > -Tony > - > To unsubscribe from this list: send the line "unsubscribe linux-ia64" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
