Messages in this thread Patch in this message | | | From | Rusty Russell <> | Date | Wed, 12 Nov 2008 06:23:27 -0600 | Subject | [PATCH 7/7] lguest: change virtio ring alignment. |
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This is just to test that the constant is wired through correctly.
lguest has no ABI so I could apply this patch, but it breaks the "don't be an asshole" rule.
diff -r 19e5f3f3a4be Documentation/lguest/Makefile --- a/Documentation/lguest/Makefile Wed Nov 12 22:27:50 2008 +1030 +++ b/Documentation/lguest/Makefile Wed Nov 12 22:38:52 2008 +1030 @@ -4,5 +4,7 @@ all: lguest +lguest: ../../include/linux/lguest_launcher.h + clean: rm -f lguest diff -r 19e5f3f3a4be include/linux/lguest_launcher.h --- a/include/linux/lguest_launcher.h Wed Nov 12 22:27:50 2008 +1030 +++ b/include/linux/lguest_launcher.h Wed Nov 12 22:38:52 2008 +1030 @@ -60,5 +60,6 @@ LHREQ_BREAK, /* + on/off flag (on blocks until someone does off) */ }; -#define LGUEST_VRING_ALIGN 4096 +/* A cacheline is enough separation between producer and consumer. */ +#define LGUEST_VRING_ALIGN 128 #endif /* _LINUX_LGUEST_LAUNCHER */
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