Thread (64 messages) 64 messages, 8 authors, 2006-07-06

Re: [PATCH 39 of 39] IB/ipath - use streaming copy in RDMA interrupt handler to reduce packet loss

From: David Miller <davem@davemloft.net>
Date: 2006-06-29 21:52:10
Also in: lkml

From: Bryan O'Sullivan <redacted>
Date: Thu, 29 Jun 2006 14:41:30 -0700
+/*
+ * Copy data.  Try not to pollute the dcache with the source data,
+ * because we won't be reading it again.
+ */
+#if defined(CONFIG_X86_64)
+void *ipath_memcpy_nc(void *dest, const void *src, size_t n);
+#else
+#define ipath_memcpy_nc(dest, src, n) memcpy(dest, src, n)
+#endif
A facility like this doesn't belong in some arbitrary driver layer.
It belongs as a generic facility the whole kernel could make use
of.

Please stop polluting the infiniband drivers with Opteron crap.
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help