On Thu, 30 Nov 2006 13:18:53 -0800
[EMAIL PROTECTED] wrote:
>
> http://bugzilla.kernel.org/show_bug.cgi?id=7602
>
> Summary: Failure on compilation: include/asm/bitops.h:122: error:
> inconsistent operand constraints in an `asm' in
> nfs_access_add_cache()
> Kernel Version: 2.6.19
> Status: NEW
> Severity: high
> Owner: [EMAIL PROTECTED]
> Submitter: [EMAIL PROTECTED]
>
>
> Most recent kernel where this bug did *NOT* occur:
> 2.6.18.3
>
> Distribution:
> RHEL4-U2 AS
>
> Hardware Environment:
> 8 CPU Dual Core Opteron box with 32Gb of ram
> http://www.iwill.net/product_2.asp?p_id=90&sp=Y
>
> Software Environment:
> RHEL4-U2
> gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)
>
> Problem Description:
>
> Compilation fails with the error message:
> ....
> CC fs/nfs/client.o
> CC fs/nfs/dir.o
> fs/nfs/dir.c: In function `nfs_access_add_cache':
> include/asm/bitops.h:122: error: inconsistent operand constraints in an `asm'
Seems that this:
static __inline__ int __test_and_set_bit(int nr, volatile void * addr)
{
int oldbit;
__asm__(
"btsl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"+m" (ADDR)
:"dIr" (nr));
return oldbit;
}
explodes with gcc-3.4.4.
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