From: David S. Miller Date: Wed, 19 Mar 2008 08:04:48 +0000 (-0700) Subject: [SPARC64]: Fix atomic backoff limit. X-Git-Tag: v2.6.25-rc7~53^2 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4cfea5a7dfcc2766251e50ca30271a782d5004ad;p=linux-2.6 [SPARC64]: Fix atomic backoff limit. 4096 will not fit into the immediate field of a compare instruction, in fact it will end up being -4096 causing the check to fail every time and thus disabling backoff. Signed-off-by: David S. Miller --- diff --git a/include/asm-sparc64/backoff.h b/include/asm-sparc64/backoff.h index dadd6c385c..fa1fdf67e3 100644 --- a/include/asm-sparc64/backoff.h +++ b/include/asm-sparc64/backoff.h @@ -12,7 +12,8 @@ mov reg, tmp; \ 88: brnz,pt tmp, 88b; \ sub tmp, 1, tmp; \ - cmp reg, BACKOFF_LIMIT; \ + set BACKOFF_LIMIT, tmp; \ + cmp reg, tmp; \ bg,pn %xcc, label; \ nop; \ ba,pt %xcc, label; \