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Message-ID: <20211118151317.GA9977@lakrids.cambridge.arm.com>
Date: Thu, 18 Nov 2021 15:13:28 +0000
From: Mark Rutland <mark.rutland@....com>
To: Jisheng Zhang <jszhang3@...l.ustc.edu.cn>
Cc: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: extable: remove unsed ex_handler_t definition
On Thu, Nov 18, 2021 at 08:02:49PM +0800, Jisheng Zhang wrote:
> From: Jisheng Zhang <jszhang@...nel.org>
>
> The type ex_handler_t is defined but not used, remove it.
It's probably worth saying:
| The ex_handler_t type was introduced in commit:
|
| d6e2cc5647753825 ("arm64: extable: add `type` and `data` fields")
|
| ... but has never been used, and is unnecessary. Remove it.
... as this was a leftover from a prior version of that patch, and in
the form merged in mainline it was redundant becuase we moved to using
an enumerated type rather than a function pointer in the ex_table_entry.
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
With or without the wording above:
Acked-by: Mark Rutland <mark.rutland@....com>
Thanks,
Mark.
> ---
> arch/arm64/mm/extable.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/arch/arm64/mm/extable.c b/arch/arm64/mm/extable.c
> index c3d53811a15e..c0181e60cc98 100644
> --- a/arch/arm64/mm/extable.c
> +++ b/arch/arm64/mm/extable.c
> @@ -10,9 +10,6 @@
> #include <asm/asm-extable.h>
> #include <asm/ptrace.h>
>
> -typedef bool (*ex_handler_t)(const struct exception_table_entry *,
> - struct pt_regs *);
> -
> static inline unsigned long
> get_ex_fixup(const struct exception_table_entry *ex)
> {
> --
> 2.33.0
>
>
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