[PATCH v1] arm64/fpsimd: Make kernel_neon_ API _GPL

[Mark Brown]

Currently for reasons lost in the mists of time the kernel_neon_ APIs are
EXPORT_SYMBOL() but the general policy for floating point usage is that it
should be GPL only given the non-standard runtime environment that holds
while it is in use and PCS impacts when code is compiled for FP usage.

Given the limited existing deployment of non-GPL modules for arm64 and the
fact that other architectures like x86 already make their equivalent
functions GPL only this is not expected to be disruptive to existing users.

Suggested-by: Christoph Hellwig <hch at infradead.org>
Signed-off-by: Mark Brown <broonie at kernel.org>
---
 arch/arm64/kernel/fpsimd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 23834d96d1e7..1fe7d65096ac 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -1838,7 +1838,7 @@ void kernel_neon_begin(void)
 	/* Invalidate any task state remaining in the fpsimd regs: */
 	fpsimd_flush_cpu_state();
 }
-EXPORT_SYMBOL(kernel_neon_begin);
+EXPORT_SYMBOL_GPL(kernel_neon_begin);
 
 /*
  * kernel_neon_end(): give the CPU FPSIMD registers back to the current task
@@ -1856,7 +1856,7 @@ void kernel_neon_end(void)
 
 	put_cpu_fpsimd_context();
 }
-EXPORT_SYMBOL(kernel_neon_end);
+EXPORT_SYMBOL_GPL(kernel_neon_end);
 
 #ifdef CONFIG_EFI
 

base-commit: 30a0b95b1335e12efef89dd78518ed3e4a71a763
-- 
2.30.2