This is used by AES-NI accelerated AES implementation and PCLMULQDQ
accelerated GHASH implementation.
Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
---
arch/x86/crypto/aesni-intel_glue.c | 7 -------
arch/x86/include/asm/i387.h | 7 +++++++
2 files changed, 7 insertions(+), 7 deletions(-)
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -59,13 +59,6 @@ asmlinkage void aesni_cbc_enc(struct cry
asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out,
const u8 *in, unsigned int len, u8 *iv);
-static inline int kernel_fpu_using(void)
-{
- if (in_interrupt() && !(read_cr0() & X86_CR0_TS))
- return 1;
- return 0;
-}
-
static inline struct crypto_aes_ctx *aes_ctx(void *raw_ctx)
{
unsigned long addr = (unsigned long)raw_ctx;
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -302,6 +302,13 @@ static inline void kernel_fpu_end(void)
preempt_enable();
}
+static inline int kernel_fpu_using(void)
+{
+ if (in_interrupt() && !(read_cr0() & X86_CR0_TS))
+ return 1;
+ return 0;
+}
+
/*
* Some instructions like VIA's padlock instructions generate a spurious
* DNA fault but don't modify SSE registers. And these instructions
--
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