Hi Vincent, Thank you for the patch. On Sunday 22 February 2015 17:09:06 Vincent Stehlé wrote: > LPAE iommu page table makes sense only for ARM architecture. Add the > corresponding dependency in Kconfig. > > This fixes the following runtime warnings on PA-RISC architecture: I suppose this is caused by the selftest code ? > WARNING: at drivers/iommu/io-pgtable-arm.c:413 > Modules linked in: > CPU: 0 PID: 1 Comm: swapper/0 Not tainted > 3.19.0-next-20150222-00002-gc420256 #2 task: 17ca0000 ti: 17ca8000 task.ti: > 17ca8000 > > YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI > PSW: 00000000000001001111111100001111 Not tainted > r00-03 0004ff0f 0000001b 104871b0 17ca83c0 > r04-07 00001000 00000000 00000000 00000000 > r08-11 00000000 40001000 1013b36c 17ca8248 > r12-15 00000080 17e712c0 00000000 17c5e100 > r16-19 0000000c 105d8eb0 40001000 ffffffff > r20-23 00000000 00800020 1048717c 00000000 > r24-27 00001000 00000000 00000009 10774ce0 > r28-31 00000000 00000027 17ca8480 10486d44 > sr00-03 00000000 00000000 00000000 00000000 > sr04-07 00000000 00000000 00000000 00000000 > > IASQ: 00000000 00000000 IAOQ: 10486df4 10486df8 > IIR: 03ffe01f ISR: 00000000 IOR: 17c86e54 > CPU: 0 CR30: 17ca8000 CR31: 00000002 > ORIG_R28: 00000001 > IAOQ[0]: __arm_lpae_unmap+0x144/0x4cc > IAOQ[1]: __arm_lpae_unmap+0x148/0x4cc > RP(r2): arm_lpae_unmap+0x34/0x6c > Backtrace: > [<104871b0>] arm_lpae_unmap+0x34/0x6c > [<10127944>] 0x10127944 > [<10168ee0>] do_one_initcall+0x128/0x1dc > [<101028fc>] 0x101028fc > [<10161b48>] kernel_init+0x1c/0x118 > [<1015d01c>] end_fault_vector+0x1c/0x24 > [<101762ec>] save_stack_trace+0x28/0x60 > > Signed-off-by: Vincent Stehlé <vincent.stehle@xxxxxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Cc: Will Deacon <will.deacon@xxxxxxx> > --- > > > Hi, > > This can be seen with e.g. Linux next-20150222 on parisc with allmodconfig. > > Best regards, > > V. > > > drivers/iommu/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig > index baa0d97..c73fd72 100644 > --- a/drivers/iommu/Kconfig > +++ b/drivers/iommu/Kconfig > @@ -22,6 +22,7 @@ config IOMMU_IO_PGTABLE > > config IOMMU_IO_PGTABLE_LPAE > bool "ARMv7/v8 Long Descriptor Format" > + depends on ARM How about ARM || COMPILE_TEST ? It can still be useful to compile the module on other architectures. > select IOMMU_IO_PGTABLE > help > Enable support for the ARM long descriptor pagetable format. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
