path: root/pkgs/os-specific/linux/kernel/export_kernel_fpu_functions_5_3.patch

From 1e010beda2896bdf3082fb37a3e49f8ce20e04d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Thu, 2 May 2019 05:28:08 +0100
Subject: [PATCH] x86/fpu: Export kernel_fpu_{begin,end}() with
 EXPORT_SYMBOL_GPL
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We need these symbols in zfs as the fpu implementation breaks userspace:

https://github.com/zfsonlinux/zfs/issues/9346
Signed-off-by: Jörg Thalheim <joerg@thalheim.io>
---
 arch/x86/kernel/fpu/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 12c70840980e..352538b3bb5d 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -102,7 +102,7 @@ void kernel_fpu_begin(void)
 	}
 	__cpu_invalidate_fpregs_state();
 }
-EXPORT_SYMBOL_GPL(kernel_fpu_begin);
+EXPORT_SYMBOL(kernel_fpu_begin);
 
 void kernel_fpu_end(void)
 {
@@ -111,7 +111,7 @@ void kernel_fpu_end(void)
 	this_cpu_write(in_kernel_fpu, false);
 	preempt_enable();
 }
-EXPORT_SYMBOL_GPL(kernel_fpu_end);
+EXPORT_SYMBOL(kernel_fpu_end);
 
 /*
  * Save the FPU state (mark it for reload if necessary):
-- 
2.23.0