From: Nathan Chancellor <nathan@kernel.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Masahiro Yamada <masahiroy@kernel.org>,
Joe Perches <joe@perches.com>, Arnd Bergmann <arnd@kernel.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
llvm@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/10] mm/ksm: remove old GCC 4.9+ check
Date: Fri, 10 Sep 2021 17:07:47 -0700 [thread overview]
Message-ID: <YTvzU9qe6vV2Dwpp@archlinux-ax161> (raw)
In-Reply-To: <20210910234047.1019925-4-ndesaulniers@google.com>
On Fri, Sep 10, 2021 at 04:40:40PM -0700, Nick Desaulniers wrote:
> The minimum supported version of GCC has been raised to GCC 5.1.
>
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
This is technically new for clang but arm64 allmodconfig does not
complain.
> ---
> mm/ksm.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/mm/ksm.c b/mm/ksm.c
> index 025338128cd9..a5716fdec1aa 100644
> --- a/mm/ksm.c
> +++ b/mm/ksm.c
> @@ -651,10 +651,8 @@ static void remove_node_from_stable_tree(struct stable_node *stable_node)
> * from &migrate_nodes. This will verify that future list.h changes
> * don't break STABLE_NODE_DUP_HEAD. Only recent gcc can handle it.
Probably worth removing the recent GCC comment.
> */
> -#if defined(GCC_VERSION) && GCC_VERSION >= 40903
> BUILD_BUG_ON(STABLE_NODE_DUP_HEAD <= &migrate_nodes);
> BUILD_BUG_ON(STABLE_NODE_DUP_HEAD >= &migrate_nodes + 1);
> -#endif
>
> if (stable_node->head == &migrate_nodes)
> list_del(&stable_node->list);
> --
> 2.33.0.309.g3052b89438-goog
>
>
next prev parent reply other threads:[~2021-09-11 0:07 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-10 23:40 [PATCH 00/10] raise minimum GCC version to 5.1 Nick Desaulniers
2021-09-10 23:40 ` [PATCH 01/10] Documentation: raise minimum supported version of GCC " Nick Desaulniers
2021-09-10 23:55 ` Nathan Chancellor
2021-09-11 0:16 ` Nick Desaulniers
2021-09-13 16:22 ` Kees Cook
2021-09-10 23:40 ` [PATCH 02/10] compiler.h: drop fallback overflow checkers Nick Desaulniers
2021-09-11 0:04 ` Nathan Chancellor
2021-09-14 15:33 ` Nick Desaulniers
2021-09-14 16:04 ` Nathan Chancellor
2021-09-13 16:21 ` Kees Cook
2021-09-10 23:40 ` [PATCH 03/10] mm/ksm: remove old GCC 4.9+ check Nick Desaulniers
2021-09-11 0:07 ` Nathan Chancellor [this message]
2021-09-13 16:22 ` Kees Cook
2021-09-10 23:40 ` [PATCH 04/10] Kconfig.debug: drop GCC 5+ version check for DWARF5 Nick Desaulniers
2021-09-11 0:08 ` Nathan Chancellor
2021-09-13 16:23 ` Kees Cook
2021-09-10 23:40 ` [PATCH 05/10] riscv: remove Kconfig check for GCC version for ARCH_RV64I Nick Desaulniers
2021-09-11 0:09 ` Nathan Chancellor
2021-09-13 16:23 ` Kees Cook
2021-10-05 0:40 ` Palmer Dabbelt
2021-10-05 0:50 ` Kees Cook
2021-10-05 0:57 ` Palmer Dabbelt
2021-09-10 23:40 ` [PATCH 06/10] powerpc: remove GCC version check for UPD_CONSTR Nick Desaulniers
2021-09-10 23:48 ` Nathan Chancellor
2021-09-11 10:43 ` Michael Ellerman
2021-09-11 15:34 ` Christophe Leroy
2021-09-10 23:40 ` [PATCH 07/10] arm64: remove GCC version check for ARCH_SUPPORTS_INT128 Nick Desaulniers
2021-09-11 0:10 ` Nathan Chancellor
2021-09-13 16:25 ` Kees Cook
2021-09-16 13:23 ` Catalin Marinas
2021-09-10 23:40 ` [PATCH 08/10] Makefile: drop GCC < 5 -fno-var-tracking-assignments workaround Nick Desaulniers
2021-09-11 0:11 ` Nathan Chancellor
2021-09-13 16:25 ` Kees Cook
2021-09-10 23:40 ` [PATCH 09/10] compiler-gcc.h: drop checks for older GCC versions Nick Desaulniers
2021-09-11 0:12 ` Nathan Chancellor
2021-09-13 16:26 ` Kees Cook
2021-09-10 23:40 ` [PATCH 10/10] vmlinux.lds.h: remove old check for GCC 4.9 Nick Desaulniers
2021-09-10 23:50 ` Nathan Chancellor
2021-09-14 15:21 ` Nick Desaulniers
2021-09-13 16:28 ` Kees Cook
2021-09-11 2:19 ` [PATCH 00/10] raise minimum GCC version to 5.1 Kees Cook
2021-09-11 10:42 ` Michael Ellerman
2021-09-13 9:49 ` Pavel Machek
2021-09-13 16:20 ` Kees Cook
2021-09-13 11:27 ` Arnd Bergmann
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