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These changes are a raw update to a vanilla kernel 4.1.10, with the
[kvmfornfv.git]
/
kernel
/
drivers
/
crypto
/
vmx
/
ghash.c
diff --git
a/kernel/drivers/crypto/vmx/ghash.c
b/kernel/drivers/crypto/vmx/ghash.c
index
d0ffe27
..
917b3f0
100644
(file)
--- a/
kernel/drivers/crypto/vmx/ghash.c
+++ b/
kernel/drivers/crypto/vmx/ghash.c
@@
-116,6
+116,7
@@
static int p8_ghash_setkey(struct crypto_shash *tfm, const u8 *key,
pagefault_disable();
enable_kernel_altivec();
pagefault_disable();
enable_kernel_altivec();
+ enable_kernel_vsx();
enable_kernel_fp();
gcm_init_p8(ctx->htable, (const u64 *) key);
pagefault_enable();
enable_kernel_fp();
gcm_init_p8(ctx->htable, (const u64 *) key);
pagefault_enable();
@@
-142,6
+143,7
@@
static int p8_ghash_update(struct shash_desc *desc,
GHASH_DIGEST_SIZE - dctx->bytes);
pagefault_disable();
enable_kernel_altivec();
GHASH_DIGEST_SIZE - dctx->bytes);
pagefault_disable();
enable_kernel_altivec();
+ enable_kernel_vsx();
enable_kernel_fp();
gcm_ghash_p8(dctx->shash, ctx->htable, dctx->buffer,
GHASH_DIGEST_SIZE);
enable_kernel_fp();
gcm_ghash_p8(dctx->shash, ctx->htable, dctx->buffer,
GHASH_DIGEST_SIZE);
@@
-154,6
+156,7
@@
static int p8_ghash_update(struct shash_desc *desc,
if (len) {
pagefault_disable();
enable_kernel_altivec();
if (len) {
pagefault_disable();
enable_kernel_altivec();
+ enable_kernel_vsx();
enable_kernel_fp();
gcm_ghash_p8(dctx->shash, ctx->htable, src, len);
pagefault_enable();
enable_kernel_fp();
gcm_ghash_p8(dctx->shash, ctx->htable, src, len);
pagefault_enable();
@@
-182,6
+185,7
@@
static int p8_ghash_final(struct shash_desc *desc, u8 *out)
dctx->buffer[i] = 0;
pagefault_disable();
enable_kernel_altivec();
dctx->buffer[i] = 0;
pagefault_disable();
enable_kernel_altivec();
+ enable_kernel_vsx();
enable_kernel_fp();
gcm_ghash_p8(dctx->shash, ctx->htable, dctx->buffer,
GHASH_DIGEST_SIZE);
enable_kernel_fp();
gcm_ghash_p8(dctx->shash, ctx->htable, dctx->buffer,
GHASH_DIGEST_SIZE);