From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Pekka Enberg <penberg@kernel.org>,
Sasha Levin <sashal@kernel.org>,
linux-riscv@lists.infradead.org,
Palmer Dabbelt <palmerdabbelt@google.com>,
Zong Li <zong.li@sifive.com>
Subject: [PATCH AUTOSEL 5.4 36/80] riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
Date: Mon, 26 Oct 2020 19:54:32 -0400 [thread overview]
Message-ID: <20201026235516.1025100-36-sashal@kernel.org> (raw)
In-Reply-To: <20201026235516.1025100-1-sashal@kernel.org>
From: Zong Li <zong.li@sifive.com>
[ 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 <zong.li@sifive.com>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 d86cb17bbabe6..22e0ae8884061 100644
--- a/arch/riscv/include/uapi/asm/auxvec.h
+++ b/arch/riscv/include/uapi/asm/auxvec.h
@@ -10,4 +10,7 @@
/* vDSO location */
#define AT_SYSINFO_EHDR 33
+/* entries in ARCH_DLINFO */
+#define AT_VECTOR_SIZE_ARCH 1
+
#endif /* _UAPI_ASM_RISCV_AUXVEC_H */
--
2.25.1
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parent reply other threads:[~2020-10-27 1:17 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20201026235516.1025100-1-sashal@kernel.org>]
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