Thanks Ian,
For the "memory" clobber
I tried with the a function in linux kernel
--
/*
* Atomic exchange
*
* Changes the memory location '*ptr' to be val and returns
* the previous value stored there.
*/
static inline unsigned long
__xchg_u32(volatile void *p, unsigned long val)
{
uns
On Sat, 2009-06-27 at 19:46 +0200, Laszlo Fekete wrote:
> Hello!
>
> Thank you very much, this patch works me too.
>
> Maybe this patch will be in the debian kernel someday?
The patch isn't actually correct just yet :-) Michael will
be posting a proper one next week. It should be possible to
req
On Fri, Jun 26, 2009 at 7:12 PM, Mikhail
Zaturenskiy wrote:
> Hi Scott,
>
>> This isn't the denx list;
> I've noticed :) but I'm still learning about this whole process so I
> though I could get some general suggestions.
>
>> what kernel version is that, and with what
>> modifications from mainline
Hello All the gurus,
I've been fiddling my luck with gcc 4.3.2 inline assembly on powerpc
There are a few queries
1. asm volatile or simply asm produce the same assembly code.
Tried with a few examples but didnt find any difference by adding
volatile with asm
2. Use of "memory" and clobbered reg
Hello!
Thank you very much, this patch works me too.
Maybe this patch will be in the debian kernel someday?
Thank you: blackluck
Michael Ellerman wrote:
> On Wed, 2009-06-24 at 15:56 +1000, Benjamin Herrenschmidt wrote:
>
>> On Wed, 2009-06-24 at 15:53 +1000, Michael Ellerman wrote:
>>
* Peter Zijlstra wrote:
> On Sat, 2009-06-27 at 15:31 +1000, Paul Mackerras wrote:
> > + if (regs) {
> > + if (current_is_64bit())
> > + perf_callchain_user_64(regs, entry);
> > + else
> > + perf_callchain_user_32(regs
On Sat, 2009-06-27 at 15:31 +1000, Paul Mackerras wrote:
> + if (regs) {
> + if (current_is_64bit())
> + perf_callchain_user_64(regs, entry);
> + else
> + perf_callchain_user_32(regs, entry);
> + }
Ingo do we need
