[lkml]   [2006]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch] cpufreq: mark cpufreq_tsc() as core_initcall_sync
On Mon, Nov 20 2006, Alan Stern wrote:
> Paul:
> Here's my version of your patch from yesterday. It's basically the same,
> but I cleaned up the code in a few places and fixed a bug (the sign of idx
> in srcu_read_unlock). Also I changed the init routine back to void, since
> it's no longer an error if the per-cpu allocation fails.
> More importantly, I added a static initializer and included the fast-path
> in synchronize_srcu. It's protected by the new symbol
> SMP__STORE_MB_LOAD_WORKS, which should be defined in arch-specific headers
> for those architectures where the store-mb-load pattern is safe.

Must we introduce memory allocations in srcu_read_lock()? It makes it
much harder and nastier for me to use. I'd much prefer a failing
init_srcu(), seems like a much better API.

Jens Axboe

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-11-20 19:01    [W:0.119 / U:5.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site