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[76.210.143.223]) by smtp.gmail.com with ESMTPSA id g7sm499742pjl.11.2020.11.05.21.26.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 21:26:40 -0800 (PST) Date: Thu, 05 Nov 2020 21:26:40 -0800 (PST) X-Google-Original-Date: Thu, 05 Nov 2020 21:26:38 PST (-0800) Subject: Re: [PATCH AUTOSEL 4.19 28/60] riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO In-Reply-To: <20201027000415.1026364-28-sashal@kernel.org> CC: linux-kernel@vger.kernel.org, stable@vger.kernel.org, zong.li@sifive.com, penberg@kernel.org, sashal@kernel.org, linux-riscv@lists.infradead.org From: Palmer Dabbelt To: sashal@kernel.org Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, 26 Oct 2020 17:03:43 PDT (-0700), sashal@kernel.org wrote: > From: Zong Li > > [ Upstream commit b5fca7c55f9fbab5ad732c3bce00f31af6ba5cfa ] > > AT_VECTOR_SIZE_ARCH should be defined with the maximum number of > NEW_AUX_ENT entries that ARCH_DLINFO can contain, but it wasn't defined > for RISC-V at all even though ARCH_DLINFO will contain one NEW_AUX_ENT > for the VDSO address. > > Signed-off-by: Zong Li > Reviewed-by: Palmer Dabbelt > Reviewed-by: Pekka Enberg > Signed-off-by: Palmer Dabbelt > Signed-off-by: Sasha Levin > --- > arch/riscv/include/uapi/asm/auxvec.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/uapi/asm/auxvec.h > index 1376515547cda..ed7bf7c7add5f 100644 > --- a/arch/riscv/include/uapi/asm/auxvec.h > +++ b/arch/riscv/include/uapi/asm/auxvec.h > @@ -21,4 +21,7 @@ > /* vDSO location */ > #define AT_SYSINFO_EHDR 33 > > +/* entries in ARCH_DLINFO */ > +#define AT_VECTOR_SIZE_ARCH 1 > + > #endif /* _UAPI_ASM_RISCV_AUXVEC_H */ Thanks. This should have been Fixes: 2129a235c098 ("RISC-V: ELF and module implementation") which is essentially all the way back to the beginning.