[PATCH v4 10/26] arm64: cpufeature: Export symbol read_sanitised_ftr_reg()
From: Jean-Philippe Brucker <hidden>
Date: 2020-02-24 18:24:57
Also in:
linux-devicetree, linux-iommu, linux-mm, linux-pci
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
The SMMUv3 driver would like to read the MMFR0 PARANGE field in order to share CPU page tables with devices. Allow the driver to be built as module by exporting the read_sanitized_ftr_reg() cpufeature symbol. Signed-off-by: Jean-Philippe Brucker <redacted> --- arch/arm64/kernel/cpufeature.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 0b6715625cf6..a96d2fb12e4d 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c@@ -838,6 +838,7 @@ u64 read_sanitised_ftr_reg(u32 id) BUG_ON(!regp); return regp->sys_val; } +EXPORT_SYMBOL_GPL(read_sanitised_ftr_reg); #define read_sysreg_case(r) \ case r: return read_sysreg_s(r)
--
2.25.0
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