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authorDavid Woodhouse <dwmw2@infradead.org>2006-08-31 00:30:38 +0200
committerDavid Woodhouse <dwmw2@infradead.org>2006-08-31 00:30:38 +0200
commit0a7d5f8ce960e74fa22986bda4af488539796e49 (patch)
treee29ad17808a5c3410518e22dae8dfe94801b59f3 /include/asm-ia64/pal.h
parentMTD: Add lock/unlock operations for Atmel AT49BV6416 (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6 (diff)
downloadlinux-0a7d5f8ce960e74fa22986bda4af488539796e49.tar.xz
linux-0a7d5f8ce960e74fa22986bda4af488539796e49.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-ia64/pal.h')
-rw-r--r--include/asm-ia64/pal.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index 37e52a2836b0..20a8d618c845 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -1433,7 +1433,12 @@ typedef union pal_version_u {
} pal_version_u_t;
-/* Return PAL version information */
+/*
+ * Return PAL version information. While the documentation states that
+ * PAL_VERSION can be called in either physical or virtual mode, some
+ * implementations only allow physical calls. We don't call it very often,
+ * so the overhead isn't worth eliminating.
+ */
static inline s64
ia64_pal_version (pal_version_u_t *pal_min_version, pal_version_u_t *pal_cur_version)
{