Date: Mon, 16 Jan 2012 02:38:45 +0000 (UTC) From: Colin Percival <cperciva@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r230183 - head/sys/dev/xen/xenpci Message-ID: <201201160238.q0G2cjie011387@svn.freebsd.org>
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Author: cperciva Date: Mon Jan 16 02:38:45 2012 New Revision: 230183 URL: http://svn.freebsd.org/changeset/base/230183 Log: Make XENHVM work on i386. The __ffs() function counts bits starting from zero, unlike ffs(3), which starts counting from 1. Modified: head/sys/dev/xen/xenpci/evtchn.c Modified: head/sys/dev/xen/xenpci/evtchn.c ============================================================================== --- head/sys/dev/xen/xenpci/evtchn.c Mon Jan 16 01:14:07 2012 (r230182) +++ head/sys/dev/xen/xenpci/evtchn.c Mon Jan 16 02:38:45 2012 (r230183) @@ -52,7 +52,7 @@ __FBSDID("$FreeBSD$"); #include <dev/xen/xenpci/xenpcivar.h> #if defined(__i386__) -#define __ffs(word) ffs(word) +#define __ffs(word) (ffs(word) - 1) #elif defined(__amd64__) static inline unsigned long __ffs(unsigned long word) {
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