On Mon, 7 May 2007 15:58:41 -0700
Fenghua Yu <[EMAIL PROTECTED]> wrote:
> On Fri, May 04, 2007 at 05:12:18PM -0700, Fenghua Yu wrote:
> >
> > Define percpu smp cacheline align interface
>
> This is updated patch. Per cpu cacheline aligned data section name and macro
> name are changed to have better code understanding.
>
> The patches place all of smp cacheline aligned percpu data into
> .data.percpu.shared_cacheline_aligned. Other percpu data is still in
> data.percpu section. The patches can reduce cache line access in SMP and
> reduce alignment gap waste. The patches also define PERCPU macro for
> vmlinux.lds.S for concise code.
>
> PATCH 1/2: Define percpu smp cacheline align interface
> PATCH 2/2: Call percpu smp cacheline algin interface
For some reason arm exploded.
/opt/crosstool/gcc-3.4.5-glibc-2.3.6/arm-unknown-linux-gnu/bin/arm-unknown-linux-gnu-ld:arch/arm/kernel/vmlinux.lds:327:
parse error
__con_initcall_start = .;
*(.con_initcall.init)
__con_initcall_end = .;
__security_initcall_start = .;
*(.security_initcall.init)
__security_initcall_end = .;
. = ALIGN(32);
__initramfs_start = .;
usr/built-in.o(.init.ramfs)
__initramfs_end = .;
. = ALIGN(4096); __per_cpu_start = .; .data.percpu : AT(ADDR(.data.percpu) -
0) { *(.data.percpu) *(.data.percpu.shared_cacheline_aligned) } __per_cpu_end =
.;
}
Seems I don't have the latest version any more so I'll drop it.
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