linux-kernel - Re: [patch V4 33/36] s390: Use generic TIF bits

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Message-ID: <20250911110311.8894B08-hca@linux.ibm.com>
Date: Thu, 11 Sep 2025 13:03:11 +0200
From: Heiko Carstens <hca@...ux.ibm.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>,
        Michael Jeanson <mjeanson@...icios.com>, Jens Axboe <axboe@...nel.dk>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>, Wei Liu <wei.liu@...nel.org>,
        Dexuan Cui <decui@...rosoft.com>, x86@...nel.org,
        Arnd Bergmann <arnd@...db.de>, Huacai Chen <chenhuacai@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>
Subject: Re: [patch V4 33/36] s390: Use generic TIF bits

On Mon, Sep 08, 2025 at 11:32:34PM +0200, Thomas Gleixner wrote:
> No point in defining generic items and the upcoming RSEQ optimizations are
> only available with this _and_ the generic entry infrastructure, which is
> already used by s390. So no further action required here.
> 
> This leaves a comment about the AUDIT/TRACE/SECCOMP bits which are handled
> by SYSCALL_WORK in the generic code, so they seem redundant, but that's a
> problem for the s390 wizards to think about.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Heiko Carstens <hca@...ux.ibm.com>
> Cc: Christian Borntraeger <borntraeger@...ux.ibm.com>
> Cc: Sven Schnelle <svens@...ux.ibm.com>
> 
> ---
>  arch/s390/Kconfig                   |    1 
>  arch/s390/include/asm/thread_info.h |   44 ++++++++++++++----------------------
>  2 files changed, 19 insertions(+), 26 deletions(-)

FWIW:
Acked-by: Heiko Carstens <hca@...ux.ibm.com>