linux-kernel - Re: [PATCH v8 01/12] arm64: Remove unused _TIF_WORK

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Message-ID: <b907563a-43e7-4a17-abdd-cdabc3113992@arm.com>
Date: Thu, 27 Nov 2025 14:27:36 +0100
From: Kevin Brodsky <kevin.brodsky@....com>
To: Jinjie Ruan <ruanjinjie@...wei.com>, catalin.marinas@....com,
 will@...nel.org, oleg@...hat.com, tglx@...utronix.de, peterz@...radead.org,
 luto@...nel.org, shuah@...nel.org, kees@...nel.org, wad@...omium.org,
 charlie@...osinc.com, akpm@...ux-foundation.org, ldv@...ace.io,
 macro@...am.me.uk, deller@....de, mark.rutland@....com, efault@....de,
 song@...nel.org, mbenes@...e.cz, ryan.roberts@....com,
 ada.coupriediaz@....com, anshuman.khandual@....com, broonie@...nel.org,
 pengcan@...inos.cn, dvyukov@...gle.com, kmal@...k.li,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v8 01/12] arm64: Remove unused _TIF_WORK_MASK

On 26/11/2025 08:14, Jinjie Ruan wrote:
> Since commit b3cf07851b6c ("arm64: entry: Switch to generic IRQ
> entry"), _TIF_WORK_MASK is never used, so remove it.
>
> Fixes: b3cf07851b6c ("arm64: entry: Switch to generic IRQ entry")

I'm not sure a Fixes: tag is warranted - this has no functional effect
and doesn't need to be backported.

Otherwise:

Reviewed-by: Kevin Brodsky <kevin.brodsky@....com>

> Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
> ---
>  arch/arm64/include/asm/thread_info.h | 6 ------
>  1 file changed, 6 deletions(-)
>
> diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
> index f241b8601ebd..ff4998fa1844 100644
> --- a/arch/arm64/include/asm/thread_info.h
> +++ b/arch/arm64/include/asm/thread_info.h
> @@ -106,12 +106,6 @@ void arch_setup_new_exec(void);
>  #define _TIF_NOTIFY_SIGNAL	(1 << TIF_NOTIFY_SIGNAL)
>  #define _TIF_TSC_SIGSEGV	(1 << TIF_TSC_SIGSEGV)
>  
> -#define _TIF_WORK_MASK		(_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY | \
> -				 _TIF_NOTIFY_RESUME | _TIF_FOREIGN_FPSTATE | \
> -				 _TIF_UPROBE | _TIF_MTE_ASYNC_FAULT | \
> -				 _TIF_NOTIFY_SIGNAL | _TIF_SIGPENDING | \
> -				 _TIF_PATCH_PENDING)
> -
>  #define _TIF_SYSCALL_WORK	(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
>  				 _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \
>  				 _TIF_SYSCALL_EMU)