Updated from Linux LTS 3.10.20 to 3.10.21

arch/arm/kvm/mmu.c

@@ -313,6 +313,17 @@ out:
 	return err;
 }
 
+static phys_addr_t kvm_kaddr_to_phys(void *kaddr)
+{
+	if (!is_vmalloc_addr(kaddr)) {
+		BUG_ON(!virt_addr_valid(kaddr));
+		return __pa(kaddr);
+	} else {
+		return page_to_phys(vmalloc_to_page(kaddr)) +
+		       offset_in_page(kaddr);
+	}
+}
+
 /**
  * create_hyp_mappings - duplicate a kernel virtual address range in Hyp mode
  * @from:	The virtual kernel start address of the range
@@ -324,16 +335,27 @@ out:
  */
 int create_hyp_mappings(void *from, void *to)
 {
-	unsigned long phys_addr = virt_to_phys(from);
+	phys_addr_t phys_addr;
+	unsigned long virt_addr;
 	unsigned long start = KERN_TO_HYP((unsigned long)from);
 	unsigned long end = KERN_TO_HYP((unsigned long)to);
 
-	/* Check for a valid kernel memory mapping */
-	if (!virt_addr_valid(from) || !virt_addr_valid(to - 1))
-		return -EINVAL;
+	start = start & PAGE_MASK;
+	end = PAGE_ALIGN(end);
 
-	return __create_hyp_mappings(hyp_pgd, start, end,
-				     __phys_to_pfn(phys_addr), PAGE_HYP);
+	for (virt_addr = start; virt_addr < end; virt_addr += PAGE_SIZE) {
+		int err;
+
+		phys_addr = kvm_kaddr_to_phys(from + virt_addr - start);
+		err = __create_hyp_mappings(hyp_pgd, virt_addr,
+					    virt_addr + PAGE_SIZE,
+					    __phys_to_pfn(phys_addr),
+					    PAGE_HYP);
+		if (err)
+			return err;
+	}
+
+	return 0;
 }
 
 /**

arch/cris/include/asm/io.h

@@ -3,6 +3,7 @@
 
 #include <asm/page.h>   /* for __va, __pa */
 #include <arch/io.h>
+#include <asm-generic/iomap.h>
 #include <linux/kernel.h>
 
 struct cris_io_operations

arch/ia64/include/asm/processor.h

@@ -319,7 +319,7 @@ struct thread_struct {
 	regs->loadrs = 0;									\
 	regs->r8 = get_dumpable(current->mm);	/* set "don't zap registers" flag */		\
 	regs->r12 = new_sp - 16;	/* allocate 16 byte scratch area */			\
-	if (unlikely(!get_dumpable(current->mm))) {							\
+	if (unlikely(get_dumpable(current->mm) != SUID_DUMP_USER)) {	\
 		/*										\
 		 * Zap scratch regs to avoid leaking bits between processes with different	\
 		 * uid/privileges.								\

arch/powerpc/kernel/signal_32.c

@@ -454,7 +454,15 @@ static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame,
 		if (copy_vsx_to_user(&frame->mc_vsregs, current))
 			return 1;
 		msr |= MSR_VSX;
-	}
+	} else if (!ctx_has_vsx_region)
+		/*
+		 * With a small context structure we can't hold the VSX
+		 * registers, hence clear the MSR value to indicate the state
+		 * was not saved.
+		 */
+		msr &= ~MSR_VSX;
+
+
 #endif /* CONFIG_VSX */
 #ifdef CONFIG_SPE
 	/* save spe registers */

arch/powerpc/kernel/vio.c

@@ -1530,12 +1530,12 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 
 	dn = dev->of_node;
 	if (!dn) {
-		strcat(buf, "\n");
+		strcpy(buf, "\n");
 		return strlen(buf);
 	}
 	cp = of_get_property(dn, "compatible", NULL);
 	if (!cp) {
-		strcat(buf, "\n");
+		strcpy(buf, "\n");
 		return strlen(buf);
 	}
 

arch/powerpc/mm/slice.c

@@ -258,7 +258,7 @@ static bool slice_scan_available(unsigned long addr,
 		slice = GET_HIGH_SLICE_INDEX(addr);
 		*boundary_addr = (slice + end) ?
 			((slice + end) << SLICE_HIGH_SHIFT) : SLICE_LOW_TOP;
-		return !!(available.high_slices & (1u << slice));
+		return !!(available.high_slices & (1ul << slice));
 	}
 }
 

arch/powerpc/platforms/52xx/Kconfig

@@ -57,5 +57,5 @@ config PPC_MPC5200_BUGFIX
 
 config PPC_MPC5200_LPBFIFO
 	tristate "MPC5200 LocalPlus bus FIFO driver"
-	depends on PPC_MPC52xx
+	depends on PPC_MPC52xx && PPC_BESTCOMM
 	select PPC_BESTCOMM_GEN_BD

arch/powerpc/platforms/powernv/pci-ioda.c

@@ -151,13 +151,23 @@ static int pnv_ioda_configure_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe)
 		rid_end = pe->rid + 1;
 	}
 
-	/* Associate PE in PELT */
+	/*
+	 * Associate PE in PELT. We need add the PE into the
+	 * corresponding PELT-V as well. Otherwise, the error
+	 * originated from the PE might contribute to other
+	 * PEs.
+	 */
 	rc = opal_pci_set_pe(phb->opal_id, pe->pe_number, pe->rid,
 			     bcomp, dcomp, fcomp, OPAL_MAP_PE);
 	if (rc) {
 		pe_err(pe, "OPAL error %ld trying to setup PELT table\n", rc);
 		return -ENXIO;
 	}
+
+	rc = opal_pci_set_peltv(phb->opal_id, pe->pe_number,
+				pe->pe_number, OPAL_ADD_PE_TO_DOMAIN);
+	if (rc)
+		pe_warn(pe, "OPAL error %d adding self to PELTV\n", rc);
 	opal_pci_eeh_freeze_clear(phb->opal_id, pe->pe_number,
 				  OPAL_EEH_ACTION_CLEAR_FREEZE_ALL);
 

arch/s390/crypto/aes_s390.c

@@ -35,7 +35,6 @@ static u8 *ctrblk;
 static char keylen_flag;
 
 struct s390_aes_ctx {
-	u8 iv[AES_BLOCK_SIZE];
 	u8 key[AES_MAX_KEY_SIZE];
 	long enc;
 	long dec;
@@ -441,30 +440,36 @@ static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 	return aes_set_key(tfm, in_key, key_len);
 }
 
-static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param,
+static int cbc_aes_crypt(struct blkcipher_desc *desc, long func,
 			 struct blkcipher_walk *walk)
 {
+	struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
 	int ret = blkcipher_walk_virt(desc, walk);
 	unsigned int nbytes = walk->nbytes;
+	struct {
+		u8 iv[AES_BLOCK_SIZE];
+		u8 key[AES_MAX_KEY_SIZE];
+	} param;
 
 	if (!nbytes)
 		goto out;
 
-	memcpy(param, walk->iv, AES_BLOCK_SIZE);
+	memcpy(param.iv, walk->iv, AES_BLOCK_SIZE);
+	memcpy(param.key, sctx->key, sctx->key_len);
 	do {
 		/* only use complete blocks */
 		unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1);
 		u8 *out = walk->dst.virt.addr;
 		u8 *in = walk->src.virt.addr;
 
-		ret = crypt_s390_kmc(func, param, out, in, n);
+		ret = crypt_s390_kmc(func, &param, out, in, n);
 		if (ret < 0 || ret != n)
 			return -EIO;
 
 		nbytes &= AES_BLOCK_SIZE - 1;
 		ret = blkcipher_walk_done(desc, walk, nbytes);
 	} while ((nbytes = walk->nbytes));
-	memcpy(walk->iv, param, AES_BLOCK_SIZE);
+	memcpy(walk->iv, param.iv, AES_BLOCK_SIZE);
 
 out:
 	return ret;
@@ -481,7 +486,7 @@ static int cbc_aes_encrypt(struct blkcipher_desc *desc,
 		return fallback_blk_enc(desc, dst, src, nbytes);
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return cbc_aes_crypt(desc, sctx->enc, sctx->iv, &walk);
+	return cbc_aes_crypt(desc, sctx->enc, &walk);
 }
 
 static int cbc_aes_decrypt(struct blkcipher_desc *desc,
@@ -495,7 +500,7 @@ static int cbc_aes_decrypt(struct blkcipher_desc *desc,
 		return fallback_blk_dec(desc, dst, src, nbytes);
 
 	blkcipher_walk_init(&walk, dst, src, nbytes);
-	return cbc_aes_crypt(desc, sctx->dec, sctx->iv, &walk);
+	return cbc_aes_crypt(desc, sctx->dec, &walk);
 }
 
 static struct crypto_alg cbc_aes_alg = {

arch/s390/kernel/smp.c

@@ -933,7 +933,7 @@ static ssize_t show_idle_count(struct device *dev,
 		idle_count = ACCESS_ONCE(idle->idle_count);
 		if (ACCESS_ONCE(idle->clock_idle_enter))
 			idle_count++;
-	} while ((sequence & 1) || (idle->sequence != sequence));
+	} while ((sequence & 1) || (ACCESS_ONCE(idle->sequence) != sequence));
 	return sprintf(buf, "%llu\n", idle_count);
 }
 static DEVICE_ATTR(idle_count, 0444, show_idle_count, NULL);
@@ -951,7 +951,7 @@ static ssize_t show_idle_time(struct device *dev,
 		idle_time = ACCESS_ONCE(idle->idle_time);
 		idle_enter = ACCESS_ONCE(idle->clock_idle_enter);
 		idle_exit = ACCESS_ONCE(idle->clock_idle_exit);
-	} while ((sequence & 1) || (idle->sequence != sequence));
+	} while ((sequence & 1) || (ACCESS_ONCE(idle->sequence) != sequence));
 	idle_time += idle_enter ? ((idle_exit ? : now) - idle_enter) : 0;
 	return sprintf(buf, "%llu\n", idle_time >> 12);
 }

arch/s390/kernel/vtime.c

@@ -190,7 +190,7 @@ cputime64_t s390_get_idle_time(int cpu)
 		sequence = ACCESS_ONCE(idle->sequence);
 		idle_enter = ACCESS_ONCE(idle->clock_idle_enter);
 		idle_exit = ACCESS_ONCE(idle->clock_idle_exit);
-	} while ((sequence & 1) || (idle->sequence != sequence));
+	} while ((sequence & 1) || (ACCESS_ONCE(idle->sequence) != sequence));
 	return idle_enter ? ((idle_exit ?: now) - idle_enter) : 0;
 }
 

arch/x86/kernel/ftrace.c

@@ -248,6 +248,15 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
 	return ret;
 }
 
+static int is_ftrace_caller(unsigned long ip)
+{
+	if (ip == (unsigned long)(&ftrace_call) ||
+		ip == (unsigned long)(&ftrace_regs_call))
+		return 1;
+
+	return 0;
+}
+
 /*
  * A breakpoint was added to the code address we are about to
  * modify, and this is the handle that will just skip over it.
@@ -257,10 +266,13 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
  */
 int ftrace_int3_handler(struct pt_regs *regs)
 {
+	unsigned long ip;
+
 	if (WARN_ON_ONCE(!regs))
 		return 0;
 
-	if (!ftrace_location(regs->ip - 1))
+	ip = regs->ip - 1;
+	if (!ftrace_location(ip) && !is_ftrace_caller(ip))
 		return 0;
 
 	regs->ip += MCOUNT_INSN_SIZE - 1;

arch/x86/kernel/microcode_amd.c

@@ -430,7 +430,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
 		snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86);
 
 	if (request_firmware(&fw, (const char *)fw_name, device)) {
-		pr_err("failed to load file %s\n", fw_name);
+		pr_debug("failed to load file %s\n", fw_name);
 		goto out;
 	}
 

arch/x86/kernel/process.c

@@ -378,9 +378,9 @@ static void amd_e400_idle(void)
 		 * The switch back from broadcast mode needs to be
 		 * called with interrupts disabled.
 		 */
-		 local_irq_disable();
-		 clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
-		 local_irq_enable();
+		local_irq_disable();
+		clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
+		local_irq_enable();
 	} else
 		default_idle();
 }

arch/x86/kvm/emulate.c

@@ -4207,7 +4207,10 @@ static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
 	case OpMem8:
 		ctxt->memop.bytes = 1;
 		if (ctxt->memop.type == OP_REG) {
-			ctxt->memop.addr.reg = decode_register(ctxt, ctxt->modrm_rm, 1);
+			int highbyte_regs = ctxt->rex_prefix == 0;
+
+			ctxt->memop.addr.reg = decode_register(ctxt, ctxt->modrm_rm,
+					       highbyte_regs);
 			fetch_register_operand(&ctxt->memop);
 		}
 		goto mem_common;