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authorEric Biggers <ebiggers@google.com>2019-04-12 22:33:12 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2019-04-18 22:15:04 +0800
commit626ddb2fbe7931a2996bd7fe88bd1ffd5daf7143 (patch)
tree132a14ae7204569d22896438fda6204af098a1e1 /arch/powerpc/crypto
parent0edf8593eb0985c88aa668b00befcdc1183d004d (diff)
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crypto: powerpc - convert to use crypto_simd_usable()
Replace all calls to in_interrupt() in the PowerPC crypto code with !crypto_simd_usable(). This causes the crypto self-tests to test the no-SIMD code paths when CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y. The p8_ghash algorithm is currently failing and needs to be fixed, as it produces the wrong digest when no-SIMD updates are mixed with SIMD ones. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/powerpc/crypto')
-rw-r--r--arch/powerpc/crypto/crc32c-vpmsum_glue.c4
-rw-r--r--arch/powerpc/crypto/crct10dif-vpmsum_glue.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/crypto/crc32c-vpmsum_glue.c b/arch/powerpc/crypto/crc32c-vpmsum_glue.c
index fd1d6c83f0c0..c4fa242dd652 100644
--- a/arch/powerpc/crypto/crc32c-vpmsum_glue.c
+++ b/arch/powerpc/crypto/crc32c-vpmsum_glue.c
@@ -1,10 +1,12 @@
#include <linux/crc32.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/cpufeature.h>
+#include <asm/simd.h>
#include <asm/switch_to.h>
#define CHKSUM_BLOCK_SIZE 1
@@ -22,7 +24,7 @@ static u32 crc32c_vpmsum(u32 crc, unsigned char const *p, size_t len)
unsigned int prealign;
unsigned int tail;
- if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || in_interrupt())
+ if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || !crypto_simd_usable())
return __crc32c_le(crc, p, len);
if ((unsigned long)p & VMX_ALIGN_MASK) {
diff --git a/arch/powerpc/crypto/crct10dif-vpmsum_glue.c b/arch/powerpc/crypto/crct10dif-vpmsum_glue.c
index 02ea277863d1..e27ff16573b5 100644
--- a/arch/powerpc/crypto/crct10dif-vpmsum_glue.c
+++ b/arch/powerpc/crypto/crct10dif-vpmsum_glue.c
@@ -12,11 +12,13 @@
#include <linux/crc-t10dif.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/cpufeature.h>
+#include <asm/simd.h>
#include <asm/switch_to.h>
#define VMX_ALIGN 16
@@ -32,7 +34,7 @@ static u16 crct10dif_vpmsum(u16 crci, unsigned char const *p, size_t len)
unsigned int tail;
u32 crc = crci;
- if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || in_interrupt())
+ if (len < (VECTOR_BREAKPOINT + VMX_ALIGN) || !crypto_simd_usable())
return crc_t10dif_generic(crc, p, len);
if ((unsigned long)p & VMX_ALIGN_MASK) {