| Message ID | 4FC1070B.2040403@gmail.com |
|---|---|
| State | Not Applicable |
| Headers | show |
On Sun, 27 May 2012 00:38:35 +0800 Jiang Liu <liuj97@gmail.com> wrote: > Hi Taku, > Sorry, forgot to export the percpu variable. Could you please > help to test the patch below? > Thanks! Hi Jiang, Thank you. This patch can fix my build issue. Best regards, Taku Izumi > --- > diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c > index 8a41bdf..26316f6 100644 > --- a/drivers/dma/dmaengine.c > +++ b/drivers/dma/dmaengine.c > @@ -73,6 +73,7 @@ static atomic_t dmaengine_dirty; > static struct static_key dmaengine_quiesce = STATIC_KEY_INIT_FALSE; > static DECLARE_WAIT_QUEUE_HEAD(dmaengine_wait_queue); > DEFINE_PER_CPU(long, dmaengine_chan_ref_count); > +EXPORT_PER_CPU_SYMBOL(dmaengine_chan_ref_count); > #endif /* CONFIG_DMA_ENGINE_HOTPLUG */ > > /* --- sysfs implementation --- */ > > On 05/25/2012 08:49 AM, Taku Izumi wrote: > > Hi Jiang, > > > > Build failed with "Device Drivers/DMA Engine Support/Async_tx: Offload > > support for the async_tx api" enabled because of undefined symbol. > > Patch 5/7 needs a fix? > > > > (snip) > > CHK include/linux/version.h > > CHK include/generated/utsrelease.h > > CALL scripts/checksyscalls.sh > > CHK include/generated/compile.h > > CHK include/linux/version.h > > make[2]: Nothing to be done for `all'. > > Building modules, stage 2. > > TEST posttest > > MODPOST 2201 modules > > Succeed: decoded and checked 1356146 instructions > > TEST posttest > > Success: decoded and checked 1000000 random instructions with 0 errors (seed:0x9432fb9e) > > Kernel: arch/x86/boot/bzImage is ready (#13) > > ERROR: "dmaengine_chan_ref_count" [crypto/async_tx/async_xor.ko] undefined! > > ERROR: "dmaengine_chan_ref_count" [crypto/async_tx/async_raid6_recov.ko] undefined! > > ERROR: "dmaengine_chan_ref_count" [crypto/async_tx/async_pq.ko] undefined! > > ERROR: "dmaengine_chan_ref_count" [crypto/async_tx/async_memcpy.ko] undefined! > > make[1]: *** [__modpost] Error 1 > > make: *** [modules] Error 2 > > > > Best regards, > > Taku Izumi <izumi.taku@jp.fujitsu.com> > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 8a41bdf..26316f6 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -73,6 +73,7 @@ static atomic_t dmaengine_dirty; static struct static_key dmaengine_quiesce = STATIC_KEY_INIT_FALSE; static DECLARE_WAIT_QUEUE_HEAD(dmaengine_wait_queue); DEFINE_PER_CPU(long, dmaengine_chan_ref_count); +EXPORT_PER_CPU_SYMBOL(dmaengine_chan_ref_count); #endif /* CONFIG_DMA_ENGINE_HOTPLUG */ /* --- sysfs implementation --- */