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Thu, 19 Mar 2026 07:27:58 -0700 (PDT) MIME-Version: 1.0 References: <20260302-at-vector-size-arch-v1-0-a11f03ba2ca8@linutronix.de> <20260302-at-vector-size-arch-v1-7-a11f03ba2ca8@linutronix.de> In-Reply-To: <20260302-at-vector-size-arch-v1-7-a11f03ba2ca8@linutronix.de> From: Andy Chiu Date: Thu, 19 Mar 2026 09:27:47 -0500 X-Gm-Features: AaiRm52wQD6uRKulnt1Y_ioaRFL-b1bqEKDLHZMA0LYwV13CAWHAV79Bf5laR-o Message-ID: Subject: Re: [PATCH 07/15] RISC-V: Remove AT_VECTOR_SIZE_ARCH from UAPI To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= Cc: Kees Cook , Arnd Bergmann , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, sparclinux@vger.kernel.org, linux-sh@vger.kernel.org, linux-alpha@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: bgiizcfcitrn3bntsnogdm5ptmqwh7p4 X-Rspamd-Server: rspam09 X-Rspam-User: X-Rspamd-Queue-Id: D677E1A0002 X-HE-Tag: 1773930480-579956 X-HE-Meta: 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 Tj75IRX1 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 2, 2026 at 6:27=E2=80=AFAM Thomas Wei=C3=9Fschuh wrote: > > There is nothing userspace can do with this value. In the kernel is > always combined with AT_VECTOR_SIZE_BASE, which is not exposed to > userspace and also changes from time to time. > > Move the symbol to a kernel-internal header. > > Signed-off-by: Thomas Wei=C3=9Fschuh Reviewed-by: Andy Chiu > --- > arch/riscv/include/asm/auxvec.h | 13 +++++++++++++ > arch/riscv/include/uapi/asm/auxvec.h | 2 -- > 2 files changed, 13 insertions(+), 2 deletions(-) > > diff --git a/arch/riscv/include/asm/auxvec.h b/arch/riscv/include/asm/aux= vec.h > new file mode 100644 > index 000000000000..fb4233445276 > --- /dev/null > +++ b/arch/riscv/include/asm/auxvec.h > @@ -0,0 +1,13 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright (C) 2012 ARM Ltd. > + * Copyright (C) 2015 Regents of the University of California > + */ > + > +#ifndef _ASM_RISCV_AUXVEC_H > +#define _ASM_RISCV_AUXVEC_H > + > +/* entries in ARCH_DLINFO */ > +#define AT_VECTOR_SIZE_ARCH 10 > + > +#endif /* _UAPI_ASM_RISCV_AUXVEC_H */ > diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/ua= pi/asm/auxvec.h > index 95050ebe9ad0..0a725f2aa2e7 100644 > --- a/arch/riscv/include/uapi/asm/auxvec.h > +++ b/arch/riscv/include/uapi/asm/auxvec.h > @@ -33,8 +33,6 @@ > #define AT_L3_CACHESIZE 46 > #define AT_L3_CACHEGEOMETRY 47 > > -/* entries in ARCH_DLINFO */ > -#define AT_VECTOR_SIZE_ARCH 10 > #define AT_MINSIGSTKSZ 51 > > #endif /* _UAPI_ASM_RISCV_AUXVEC_H */ > > -- > 2.53.0 > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv