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xfree86: correctly define barriers for FreeBSD amd64

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Previously when compiling on freebsd amd64 we'd end up at xi86
block (line 1315) which would define mem_barrier and write_mem_barrier
to be NOP's. Instead they should be valid, as per the linux amd64 setup.

This stops the hangs experienced by many when using the nv driver
which would hang due to out of order dma requests as noticed in
http://bugs.freedesktop.org/show_bug.cgi?id=3168

Signed-off-by: Benjamin Close <Benjamin.Close@clearchain.com>
This commit is contained in:
Benjamin Close 2009-02-26 17:32:10 +10:30
parent e92dcb6ce0
commit 14581afb47
1 changed files with 1 additions and 1 deletions
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2
hw/xfree86/common/compiler.h
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@ -462,7 +462,7 @@ extern _X_EXPORT unsigned int inb(unsigned long port);
extern _X_EXPORT unsigned int inw(unsigned long port);
extern _X_EXPORT unsigned int inl(unsigned long port);
# elif defined(linux) && defined(__amd64__)
# elif (defined(linux) || defined(__FreeBSD__)) && defined(__amd64__)
# include <inttypes.h>