From: Eric Dumazet <edumazet@google.com>
Date: Mon, 15 Nov 2021 17:23:01 +0000 (-0800)
Subject: once: use __section(".data.once")
X-Git-Tag: baikal/aarch64/sdk6.1~4966^2~440^2~2
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=151f487ff38959e926f87d036bf6d5c9bd023f8c;p=kernel.git

once: use __section(".data.once")

.data.once contains nicely packed bool variables.
It is used already by DO_ONCE_LITE().

Using it also in DO_ONCE() removes holes in .data section.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/include/linux/once.h b/include/linux/once.h
index d361fb14ac3a2..f54523052bbcb 100644
--- a/include/linux/once.h
+++ b/include/linux/once.h
@@ -38,7 +38,7 @@ void __do_once_done(bool *done, struct static_key_true *once_key,
 #define DO_ONCE(func, ...)						     \
 	({								     \
 		bool ___ret = false;					     \
-		static bool ___done = false;				     \
+		static bool __section(".data.once") ___done = false;	     \
 		static DEFINE_STATIC_KEY_TRUE(___once_key);		     \
 		if (static_branch_unlikely(&___once_key)) {		     \
 			unsigned long ___flags;				     \