diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 79c4603e9453..5e054a0c4b25 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -2119,7 +2119,7 @@ config NEON
 
 config KERNEL_MODE_NEON
 	bool "Support for NEON in kernel mode"
-	depends on NEON && AEABI
+	depends on NEON && AEABI && !PREEMPT_RT_BASE
 	help
 	  Say Y to include support for NEON in kernel mode.
 
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index 2cf32e9887e1..cd71b3432720 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -10,41 +10,41 @@ if ARM64_CRYPTO
 
 config CRYPTO_SHA1_ARM64_CE
 	tristate "SHA-1 digest algorithm (ARMv8 Crypto Extensions)"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_HASH
 
 config CRYPTO_SHA2_ARM64_CE
 	tristate "SHA-224/SHA-256 digest algorithm (ARMv8 Crypto Extensions)"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_HASH
 
 config CRYPTO_GHASH_ARM64_CE
 	tristate "GHASH (for GCM chaining mode) using ARMv8 Crypto Extensions"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_HASH
 
 config CRYPTO_AES_ARM64_CE
 	tristate "AES core cipher using ARMv8 Crypto Extensions"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_ALGAPI
 
 config CRYPTO_AES_ARM64_CE_CCM
 	tristate "AES in CCM mode using ARMv8 Crypto Extensions"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_ALGAPI
 	select CRYPTO_AES_ARM64_CE
 	select CRYPTO_AEAD
 
 config CRYPTO_AES_ARM64_CE_BLK
 	tristate "AES in ECB/CBC/CTR/XTS modes using ARMv8 Crypto Extensions"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_BLKCIPHER
 	select CRYPTO_AES_ARM64_CE
 	select CRYPTO_ABLK_HELPER
 
 config CRYPTO_AES_ARM64_NEON_BLK
 	tristate "AES in ECB/CBC/CTR/XTS modes using NEON instructions"
-	depends on ARM64 && KERNEL_MODE_NEON
+	depends on ARM64 && KERNEL_MODE_NEON && !PREEMPT_RT_BASE
 	select CRYPTO_BLKCIPHER
 	select CRYPTO_AES
 	select CRYPTO_ABLK_HELPER
diff --git a/arch/x86/crypto/camellia_aesni_avx2_glue.c b/arch/x86/crypto/camellia_aesni_avx2_glue.c
index d84456924563..c54536d9932c 100644
--- a/arch/x86/crypto/camellia_aesni_avx2_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx2_glue.c
@@ -206,6 +206,20 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void camellia_fpu_end_rt(struct crypt_priv *ctx)
+{
+       bool fpu_enabled = ctx->fpu_enabled;
+
+       if (!fpu_enabled)
+               return;
+       camellia_fpu_end(fpu_enabled);
+       ctx->fpu_enabled = false;
+}
+#else
+static void camellia_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = CAMELLIA_BLOCK_SIZE;
@@ -221,16 +235,19 @@ static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	}
 
 	if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		camellia_ecb_enc_16way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 	}
 
 	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
 	}
+	camellia_fpu_end_rt(ctx);
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		camellia_enc_blk(ctx->ctx, srcdst, srcdst);
@@ -251,16 +268,19 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	}
 
 	if (nbytes >= CAMELLIA_AESNI_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		camellia_ecb_dec_16way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_AESNI_PARALLEL_BLOCKS;
 	}
 
 	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
 	}
+	camellia_fpu_end_rt(ctx);
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		camellia_dec_blk(ctx->ctx, srcdst, srcdst);
diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c
index 93d8f295784e..a1666a58eee5 100644
--- a/arch/x86/crypto/camellia_aesni_avx_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx_glue.c
@@ -210,6 +210,21 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void camellia_fpu_end_rt(struct crypt_priv *ctx)
+{
+	bool fpu_enabled = ctx->fpu_enabled;
+
+	if (!fpu_enabled)
+		return;
+	camellia_fpu_end(fpu_enabled);
+	ctx->fpu_enabled = false;
+}
+
+#else
+static void camellia_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = CAMELLIA_BLOCK_SIZE;
@@ -225,10 +240,12 @@ static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	}
 
 	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		camellia_enc_blk_2way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
 	}
+	camellia_fpu_end_rt(ctx);
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		camellia_enc_blk(ctx->ctx, srcdst, srcdst);
@@ -249,10 +266,12 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	}
 
 	while (nbytes >= CAMELLIA_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		camellia_dec_blk_2way(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * CAMELLIA_PARALLEL_BLOCKS;
 		nbytes -= bsize * CAMELLIA_PARALLEL_BLOCKS;
 	}
+	camellia_fpu_end_rt(ctx);
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		camellia_dec_blk(ctx->ctx, srcdst, srcdst);
diff --git a/arch/x86/crypto/cast6_avx_glue.c b/arch/x86/crypto/cast6_avx_glue.c
index fca459578c35..9eb469b9836a 100644
--- a/arch/x86/crypto/cast6_avx_glue.c
+++ b/arch/x86/crypto/cast6_avx_glue.c
@@ -205,19 +205,33 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void cast6_fpu_end_rt(struct crypt_priv *ctx)
+{
+	bool fpu_enabled = ctx->fpu_enabled;
+
+	if (!fpu_enabled)
+		return;
+	cast6_fpu_end(fpu_enabled);
+	ctx->fpu_enabled = false;
+}
+
+#else
+static void cast6_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = CAST6_BLOCK_SIZE;
 	struct crypt_priv *ctx = priv;
 	int i;
 
-	ctx->fpu_enabled = cast6_fpu_begin(ctx->fpu_enabled, nbytes);
-
 	if (nbytes == bsize * CAST6_PARALLEL_BLOCKS) {
+		ctx->fpu_enabled = cast6_fpu_begin(ctx->fpu_enabled, nbytes);
 		cast6_ecb_enc_8way(ctx->ctx, srcdst, srcdst);
+		cast6_fpu_end_rt(ctx);
 		return;
 	}
-
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		__cast6_encrypt(ctx->ctx, srcdst, srcdst);
 }
@@ -228,10 +242,10 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	struct crypt_priv *ctx = priv;
 	int i;
 
-	ctx->fpu_enabled = cast6_fpu_begin(ctx->fpu_enabled, nbytes);
-
 	if (nbytes == bsize * CAST6_PARALLEL_BLOCKS) {
+		ctx->fpu_enabled = cast6_fpu_begin(ctx->fpu_enabled, nbytes);
 		cast6_ecb_dec_8way(ctx->ctx, srcdst, srcdst);
+		cast6_fpu_end_rt(ctx);
 		return;
 	}
 
diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c
index 722bacea040e..0e3eb53a87cd 100644
--- a/arch/x86/crypto/chacha20_glue.c
+++ b/arch/x86/crypto/chacha20_glue.c
@@ -80,22 +80,24 @@ static int chacha20_simd(struct blkcipher_desc *desc, struct scatterlist *dst,
 
 	crypto_chacha20_init(state, crypto_blkcipher_ctx(desc->tfm), walk.iv);
 
-	kernel_fpu_begin();
-
 	while (walk.nbytes >= CHACHA20_BLOCK_SIZE) {
+		kernel_fpu_begin();
+
 		chacha20_dosimd(state, walk.dst.virt.addr, walk.src.virt.addr,
 				rounddown(walk.nbytes, CHACHA20_BLOCK_SIZE));
+		kernel_fpu_end();
 		err = blkcipher_walk_done(desc, &walk,
 					  walk.nbytes % CHACHA20_BLOCK_SIZE);
 	}
 
 	if (walk.nbytes) {
+		kernel_fpu_begin();
 		chacha20_dosimd(state, walk.dst.virt.addr, walk.src.virt.addr,
 				walk.nbytes);
+		kernel_fpu_end();
 		err = blkcipher_walk_done(desc, &walk, 0);
 	}
 
-	kernel_fpu_end();
 
 	return err;
 }
diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c
index 6d198342e2de..0954bae9a995 100644
--- a/arch/x86/crypto/serpent_avx2_glue.c
+++ b/arch/x86/crypto/serpent_avx2_glue.c
@@ -184,6 +184,21 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void serpent_fpu_end_rt(struct crypt_priv *ctx)
+{
+       bool fpu_enabled = ctx->fpu_enabled;
+
+       if (!fpu_enabled)
+               return;
+       serpent_fpu_end(fpu_enabled);
+       ctx->fpu_enabled = false;
+}
+
+#else
+static void serpent_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = SERPENT_BLOCK_SIZE;
@@ -199,10 +214,12 @@ static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	}
 
 	while (nbytes >= SERPENT_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		serpent_ecb_enc_8way_avx(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * SERPENT_PARALLEL_BLOCKS;
 		nbytes -= bsize * SERPENT_PARALLEL_BLOCKS;
 	}
+	serpent_fpu_end_rt(ctx);
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		__serpent_encrypt(ctx->ctx, srcdst, srcdst);
@@ -223,10 +240,12 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	}
 
 	while (nbytes >= SERPENT_PARALLEL_BLOCKS * bsize) {
+		kernel_fpu_resched();
 		serpent_ecb_dec_8way_avx(ctx->ctx, srcdst, srcdst);
 		srcdst += bsize * SERPENT_PARALLEL_BLOCKS;
 		nbytes -= bsize * SERPENT_PARALLEL_BLOCKS;
 	}
+	serpent_fpu_end_rt(ctx);
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
 		__serpent_decrypt(ctx->ctx, srcdst, srcdst);
diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c
index 5dc37026c7ce..8c812a05a084 100644
--- a/arch/x86/crypto/serpent_avx_glue.c
+++ b/arch/x86/crypto/serpent_avx_glue.c
@@ -218,16 +218,31 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void serpent_fpu_end_rt(struct crypt_priv *ctx)
+{
+	bool fpu_enabled = ctx->fpu_enabled;
+
+	if (!fpu_enabled)
+		return;
+	serpent_fpu_end(fpu_enabled);
+	ctx->fpu_enabled = false;
+}
+
+#else
+static void serpent_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = SERPENT_BLOCK_SIZE;
 	struct crypt_priv *ctx = priv;
 	int i;
 
-	ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
-
 	if (nbytes == bsize * SERPENT_PARALLEL_BLOCKS) {
+		ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
 		serpent_ecb_enc_8way_avx(ctx->ctx, srcdst, srcdst);
+		serpent_fpu_end_rt(ctx);
 		return;
 	}
 
@@ -241,10 +256,10 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	struct crypt_priv *ctx = priv;
 	int i;
 
-	ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
-
 	if (nbytes == bsize * SERPENT_PARALLEL_BLOCKS) {
+		ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
 		serpent_ecb_dec_8way_avx(ctx->ctx, srcdst, srcdst);
+		serpent_fpu_end_rt(ctx);
 		return;
 	}
 
diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 3643dd508f45..1ef09f8b5cc7 100644
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -187,16 +187,31 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void serpent_fpu_end_rt(struct crypt_priv *ctx)
+{
+	bool fpu_enabled = ctx->fpu_enabled;
+
+	if (!fpu_enabled)
+		return;
+	serpent_fpu_end(fpu_enabled);
+	ctx->fpu_enabled = false;
+}
+
+#else
+static void serpent_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = SERPENT_BLOCK_SIZE;
 	struct crypt_priv *ctx = priv;
 	int i;
 
-	ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
-
 	if (nbytes == bsize * SERPENT_PARALLEL_BLOCKS) {
+		ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
 		serpent_enc_blk_xway(ctx->ctx, srcdst, srcdst);
+		serpent_fpu_end_rt(ctx);
 		return;
 	}
 
@@ -210,10 +225,10 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 	struct crypt_priv *ctx = priv;
 	int i;
 
-	ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
-
 	if (nbytes == bsize * SERPENT_PARALLEL_BLOCKS) {
+		ctx->fpu_enabled = serpent_fpu_begin(ctx->fpu_enabled, nbytes);
 		serpent_dec_blk_xway(ctx->ctx, srcdst, srcdst);
+		serpent_fpu_end_rt(ctx);
 		return;
 	}
 
diff --git a/arch/x86/crypto/twofish_avx_glue.c b/arch/x86/crypto/twofish_avx_glue.c
index b7a3904b953c..de00fe24927e 100644
--- a/arch/x86/crypto/twofish_avx_glue.c
+++ b/arch/x86/crypto/twofish_avx_glue.c
@@ -218,6 +218,21 @@ struct crypt_priv {
 	bool fpu_enabled;
 };
 
+#ifdef CONFIG_PREEMPT_RT_FULL
+static void twofish_fpu_end_rt(struct crypt_priv *ctx)
+{
+	bool fpu_enabled = ctx->fpu_enabled;
+
+	if (!fpu_enabled)
+		return;
+	twofish_fpu_end(fpu_enabled);
+	ctx->fpu_enabled = false;
+}
+
+#else
+static void twofish_fpu_end_rt(struct crypt_priv *ctx) { }
+#endif
+
 static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 {
 	const unsigned int bsize = TF_BLOCK_SIZE;
@@ -228,12 +243,16 @@ static void encrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 
 	if (nbytes == bsize * TWOFISH_PARALLEL_BLOCKS) {
 		twofish_ecb_enc_8way(ctx->ctx, srcdst, srcdst);
+		twofish_fpu_end_rt(ctx);
 		return;
 	}
 
-	for (i = 0; i < nbytes / (bsize * 3); i++, srcdst += bsize * 3)
+	for (i = 0; i < nbytes / (bsize * 3); i++, srcdst += bsize * 3) {
+		kernel_fpu_resched();
 		twofish_enc_blk_3way(ctx->ctx, srcdst, srcdst);
+	}
 
+	twofish_fpu_end_rt(ctx);
 	nbytes %= bsize * 3;
 
 	for (i = 0; i < nbytes / bsize; i++, srcdst += bsize)
@@ -250,11 +269,15 @@ static void decrypt_callback(void *priv, u8 *srcdst, unsigned int nbytes)
 
 	if (nbytes == bsize * TWOFISH_PARALLEL_BLOCKS) {
 		twofish_ecb_dec_8way(ctx->ctx, srcdst, srcdst);
+		twofish_fpu_end_rt(ctx);
 		return;
 	}
 
-	for (i = 0; i < nbytes / (bsize * 3); i++, srcdst += bsize * 3)
+	for (i = 0; i < nbytes / (bsize * 3); i++, srcdst += bsize * 3) {
+		kernel_fpu_resched();
 		twofish_dec_blk_3way(ctx->ctx, srcdst, srcdst);
+	}
+	twofish_fpu_end_rt(ctx);
 
 	nbytes %= bsize * 3;
 
diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h
index 1429a7c736db..85428df40a22 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -24,6 +24,7 @@ extern void __kernel_fpu_begin(void);
 extern void __kernel_fpu_end(void);
 extern void kernel_fpu_begin(void);
 extern void kernel_fpu_end(void);
+extern void kernel_fpu_resched(void);
 extern bool irq_fpu_usable(void);
 
 /*
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index d25097c3fc1d..67ae18aeaf8b 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -149,6 +149,18 @@ void kernel_fpu_end(void)
 }
 EXPORT_SYMBOL_GPL(kernel_fpu_end);
 
+void kernel_fpu_resched(void)
+{
+	WARN_ON_FPU(!this_cpu_read(in_kernel_fpu));
+
+	if (should_resched(PREEMPT_OFFSET)) {
+		kernel_fpu_end();
+		cond_resched();
+		kernel_fpu_begin();
+	}
+}
+EXPORT_SYMBOL_GPL(kernel_fpu_resched);
+
 /*
  * CR0::TS save/restore functions:
  */
diff --git a/include/linux/spinlock_types_raw.h b/include/linux/spinlock_types_raw.h
index edffc4d53fc9..03235b475b77 100644
--- a/include/linux/spinlock_types_raw.h
+++ b/include/linux/spinlock_types_raw.h
@@ -1,6 +1,8 @@
 #ifndef __LINUX_SPINLOCK_TYPES_RAW_H
 #define __LINUX_SPINLOCK_TYPES_RAW_H
 
+#include <linux/types.h>
+
 #if defined(CONFIG_SMP)
 # include <asm/spinlock_types.h>
 #else
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index a8246d79cb5a..6b322aea1c46 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -838,8 +838,6 @@ __mod_timer(struct timer_list *timer, unsigned long expires,
 	if (!ret && pending_only)
 		goto out_unlock;
 
-	debug_activate(timer, expires);
-
 	new_base = get_target_base(base, pinned);
 
 	if (base != new_base) {
@@ -854,6 +852,8 @@ __mod_timer(struct timer_list *timer, unsigned long expires,
 			base = switch_timer_base(timer, base, new_base);
 	}
 
+	debug_activate(timer, expires);
+
 	timer->expires = expires;
 	internal_add_timer(base, timer);
 
diff --git a/localversion-rt b/localversion-rt
index 09a4d4e4f010..234720dc343d 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt141
+-rt142
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 493b4986d5dc..56f67a15937b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1925,17 +1925,14 @@ static void drain_local_stock(struct work_struct *dummy)
  */
 static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages)
 {
-	struct memcg_stock_pcp *stock;
-	int cpu = get_cpu_light();
-
-	stock = &per_cpu(memcg_stock, cpu);
+	struct memcg_stock_pcp *stock = &get_cpu_var(memcg_stock);
 
 	if (stock->cached != memcg) { /* reset if necessary */
 		drain_stock(stock);
 		stock->cached = memcg;
 	}
 	stock->nr_pages += nr_pages;
-	put_cpu_light();
+	put_cpu_var(memcg_stock);
 }
 
 /*
diff --git a/mm/slub.c b/mm/slub.c
index b183c5271607..b3626ab324fe 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3026,6 +3026,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
 	return i;
 error:
 	local_irq_enable();
+	free_delayed(&to_free);
 	slab_post_alloc_hook(s, flags, i, p);
 	__kmem_cache_free_bulk(s, i, p);
 	return 0;
