* [PATCH AUTOSEL 5.4 36/80] riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
[not found] <20201026235516.1025100-1-sashal@kernel.org>
@ 2020-10-26 23:54 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2020-10-26 23:54 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Pekka Enberg, Sasha Levin, linux-riscv, Palmer Dabbelt, Zong Li
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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2020-10-26 23:54 ` [PATCH AUTOSEL 5.4 36/80] riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO Sasha Levin
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