From: Dave Hansen <dave.hansen@intel.com>
To: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Andy Lutomirski" <luto@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] b/arch/x86/mm/pti.c - make local symbols static
Date: Tue, 12 Mar 2019 17:02:17 -0700 [thread overview]
Message-ID: <36d37d88-4460-e2bb-4f09-07693ddb5831@intel.com> (raw)
In-Reply-To: <27680.1552376873@turing-police>
> Make both variables static.
"pti_set_kernel_image_nonglobal(void)" is an awfully funny looking
variable. ;)
> Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
>
> ---
> diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
> index 4fee5c3003ed..139b28a01ce4 100644
> --- a/arch/x86/mm/pti.c
> +++ b/arch/x86/mm/pti.c
> @@ -77,7 +77,7 @@ static void __init pti_print_if_secure(const char *reason)
> pr_info("%s\n", reason);
> }
>
> -enum pti_mode {
> +static enum pti_mode {
I'm struggling to figure out why we would want to do this. If there's a
really good reason, I think we probably need to do it en masse:
$ grep -r '^enum.{' arch/x86/ | wc -l
48
> PTI_AUTO = 0,
> PTI_FORCE_OFF,
> PTI_FORCE_ON
> @@ -602,7 +602,7 @@ static void pti_clone_kernel_text(void)
> set_memory_global(start, (end_global - start) >> PAGE_SHIFT);
> }
>
> -void pti_set_kernel_image_nonglobal(void)
> +static void pti_set_kernel_image_nonglobal(void)
Yes, this function should be static.
next prev parent reply other threads:[~2019-03-13 0:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-12 7:47 [PATCH] b/arch/x86/mm/pti.c - make local symbols static Valdis Klētnieks
2019-03-13 0:02 ` Dave Hansen [this message]
2019-03-21 14:33 ` Thomas Gleixner
2019-03-22 12:46 ` Thomas Gleixner
2019-03-22 13:22 ` [tip:x86/urgent] x86/mm/pti: Make " tip-bot for Valdis Kletnieks
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