From: Dan Robertson <dan@dlrobertson.com>
Date: Sat, 3 Jul 2021 01:22:06 +0000 (-0400)
Subject: bcachefs: fix ifdef for x86_64 asm
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6f152b0f375450b72724b6eb2ec00f7669fc910e;p=linux.git

bcachefs: fix ifdef for x86_64 asm

The implementation of prefetch_four_cachelines should use ifdef
CONFIG_X86_64 to conditionally compile x86_64 asm.

Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/bset.c b/fs/bcachefs/bset.c
index 84c4664c99127..9484f28be6de6 100644
--- a/fs/bcachefs/bset.c
+++ b/fs/bcachefs/bset.c
@@ -1181,7 +1181,7 @@ static struct bkey_packed *bset_search_write_set(const struct btree *b,
 
 static inline void prefetch_four_cachelines(void *p)
 {
-#if CONFIG_X86_64
+#ifdef CONFIG_X86_64
 	asm("prefetcht0 (-127 + 64 * 0)(%0);"
 	    "prefetcht0 (-127 + 64 * 1)(%0);"
 	    "prefetcht0 (-127 + 64 * 2)(%0);"