Re: [PATCH] Avoid to use kmalloc in usb/core/message.c

> > > I wonder why the invocations of kmalloc are needed in these functions.
> > 
> > Because some architectures can't do DMA to/from the stack.
> 
> doing dma to/from kmalloc also isn't too nice... should be using
> dma_alloc_*() API I guess

The USB core applies dma_map_single to the buffer, so its OK.

Ciao,

Duncan.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

References:
- [PATCH] Avoid to use kmalloc in usb/core/message.c
  - From: Masatake YAMATO <[email protected]>
- Re: [PATCH] Avoid to use kmalloc in usb/core/message.c
  - From: Duncan Sands <[email protected]>
- Re: [PATCH] Avoid to use kmalloc in usb/core/message.c
  - From: Arjan van de Ven <[email protected]>

Prev by Date: Re: Thread_Id
Next by Date: Re: [git patches] IDE update
Previous by thread: Re: [PATCH] Avoid to use kmalloc in usb/core/message.c
Next by thread: Memory leak with 2.6.12 and cdrecord
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Netfilter] [Bugtraq] [Photo] [Gimp] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Video 4 Linux] [Linux for the blind]