Old PentiumPro multiprocessor systems had errata that could cause
memory operations to violate the x86 ordering standard in rare cases.
Enabling this option will attempt to work around some (but not all)
- occurances of this problem, at the cost of much heavier spinlock and
+ occurrences of this problem, at the cost of much heavier spinlock and
memory barrier operations.
If unsure, say n here. Even distro kernels should think twice before
and $15, %r13 # %r13 = arg4 (mod 16)
je _multiple_of_16_bytes_decrypt
- # Handle the last <16 byte block seperately
+ # Handle the last <16 byte block separately
paddd ONE(%rip), %xmm0 # increment CNT to get Yn
movdqa SHUF_MASK(%rip), %xmm10
ENCRYPT_SINGLE_BLOCK %xmm0, %xmm1 # E(K, Yn)
sub $16, %r11
add %r13, %r11
- movdqu (%arg3,%r11,1), %xmm1 # recieve the last <16 byte block
+ movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte block
lea SHIFT_MASK+16(%rip), %r12
sub %r13, %r12
# adjust the shuffle mask pointer to be able to shift 16-%r13 bytes
and $15, %r13 # %r13 = arg4 (mod 16)
je _multiple_of_16_bytes_encrypt
- # Handle the last <16 Byte block seperately
+ # Handle the last <16 Byte block separately
paddd ONE(%rip), %xmm0 # INCR CNT to get Yn
movdqa SHUF_MASK(%rip), %xmm10
PSHUFB_XMM %xmm10, %xmm0
* Read/Write : ReadOnly, ReadWrite
* Presence : NotPresent
*
- * Within a catagory, the attributes are mutually exclusive.
+ * Within a category, the attributes are mutually exclusive.
*
* The implementation of this API will take care of various aspects that
* are associated with changing such attributes, such as:
* external nmis, because the local ones are more frequent.
*
* Also setup some default high/normal/low settings for
- * subsystems to registers with. Using 4 bits to seperate
- * the priorities. This can go alot higher if needed be.
+ * subsystems to registers with. Using 4 bits to separate
+ * the priorities. This can go a lot higher if needed be.
*/
#define NMI_LOCAL_SHIFT 16 /* randomly picked */
#define K8_NOP8 K8_NOP4 K8_NOP4
/* K7 nops
- uses eax dependencies (arbitary choice)
+ uses eax dependencies (arbitrary choice)
1: nop
2: movl %eax,%eax
3: leal (,%eax,1),%eax
/*
* OLPC board IDs contain the major build number within the mask 0x0ff0,
- * and the minor build number withing 0x000f. Pre-builds have a minor
+ * and the minor build number within 0x000f. Pre-builds have a minor
* number less than 8, and normal builds start at 8. For example, 0x0B10
* is a PreB1, and 0x0C18 is a C1.
*/
/*
- * Netburst Perfomance Events (P4, old Xeon)
+ * Netburst Performance Events (P4, old Xeon)
*/
#ifndef PERF_EVENT_P4_H
#include <linux/bitops.h>
/*
- * NetBurst has perfomance MSRs shared between
+ * NetBurst has performance MSRs shared between
* threads if HT is turned on, ie for both logical
* processors (mem: in turn in Atom with HT support
* perf-MSRs are not shared and every thread has its
*/
#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */
#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */
-#define X86_EFLAGS_AF 0x00000010 /* Auxillary carry Flag */
+#define X86_EFLAGS_AF 0x00000010 /* Auxiliary carry Flag */
#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */
#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */
#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */
#define R12 24
#define RBP 32
#define RBX 40
-/* arguments: interrupts/non tracing syscalls only save upto here*/
+/* arguments: interrupts/non tracing syscalls only save up to here*/
#define R11 48
#define R10 56
#define R9 64
unsigned long r12;
unsigned long rbp;
unsigned long rbx;
-/* arguments: non interrupts/non tracing syscalls only save upto here*/
+/* arguments: non interrupts/non tracing syscalls only save up to here*/
unsigned long r11;
unsigned long r10;
unsigned long r9;
unsigned long r12;
unsigned long bp;
unsigned long bx;
-/* arguments: non interrupts/non tracing syscalls only save upto here*/
+/* arguments: non interrupts/non tracing syscalls only save up to here*/
unsigned long r11;
unsigned long r10;
unsigned long r9;
static __always_inline cycles_t vget_cycles(void)
{
/*
- * We only do VDSOs on TSC capable CPUs, so this shouldnt
+ * We only do VDSOs on TSC capable CPUs, so this shouldn't
* access boot_cpu_data (which is not VDSO-safe):
*/
#ifndef CONFIG_X86_TSC
* The privilege level specifies which modes may enter a trap via a software
* interrupt. On x86/64, since rings 1 and 2 are unavailable, we allocate
* privilege levels as follows:
- * Level == 0: Noone may enter
+ * Level == 0: No one may enter
* Level == 1: Kernel may enter
* Level == 2: Kernel may enter
* Level == 3: Everyone may enter
/* Replace instructions with better alternatives for this CPU type.
This runs before SMP is initialized to avoid SMP problems with
- self modifying code. This implies that assymetric systems where
+ self modifying code. This implies that asymmetric systems where
APs have less capabilities than the boot processor are not handled.
Tough. Make sure you disable such features by hand. */
/*
* using 512M as goal, in case kexec will load kernel_big
* that will do the on position decompress, and could overlap with
- * that positon with gart that is used.
+ * that position with gart that is used.
* sequende:
* kernel_small
* ==> kexec (with kdump trigger path or previous doesn't shutdown gart)
*
* With interrupt-remapping, for now we will use virtual wire A mode,
* as virtual wire B is little complex (need to configure both
- * IOAPIC RTE aswell as interrupt-remapping table entry).
+ * IOAPIC RTE as well as interrupt-remapping table entry).
* As this gets called during crash dump, keep this simple for now.
*/
if (ioapic_i8259.pin != -1 && !intr_remapping_enabled) {
}
/*
- * Called after all the initialization is done. If we didnt find any
+ * Called after all the initialization is done. If we didn't find any
* APIC bugs then we can allow the modify fast path
*/
* 1.5: Fix segment register reloading (in case of bad segments saved
* across BIOS call).
* Stephen Rothwell
- * 1.6: Cope with complier/assembler differences.
+ * 1.6: Cope with compiler/assembler differences.
* Only try to turn off the first display device.
* Fix OOPS at power off with no APM BIOS by Jan Echternach
* <echter@informatik.uni-rostock.de>
return -EINVAL;
}
/* Get max multiplier - as we always did.
- * Longhaul MSR is usefull only when voltage scaling is enabled.
+ * Longhaul MSR is useful only when voltage scaling is enabled.
* C3 is booting at max anyway. */
maxmult = mult;
/* Get min multiplier */
* trigger frequency transition in some cases. */
module_param(disable_acpi_c3, int, 0644);
MODULE_PARM_DESC(disable_acpi_c3, "Don't use ACPI C3 support");
-/* Change CPU voltage with frequency. Very usefull to save
+/* Change CPU voltage with frequency. Very useful to save
* power, but most VIA C3 processors aren't supporting it. */
module_param(scale_voltage, int, 0644);
MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
if (powernow_k8_cpu_init_acpi(data)) {
/*
- * Use the PSB BIOS structure. This is only availabe on
+ * Use the PSB BIOS structure. This is only available on
* an UP version, and is deprecated by AMD.
*/
if (num_online_cpus() != 1) {
result = speedstep_smi_ownership();
if (result) {
- dprintk("fails in aquiring ownership of a SMI interface.\n");
+ dprintk("fails in acquiring ownership of a SMI interface.\n");
return -EINVAL;
}
int result = speedstep_smi_ownership();
if (result)
- dprintk("fails in re-aquiring ownership of a SMI interface.\n");
+ dprintk("fails in re-acquiring ownership of a SMI interface.\n");
return result;
}
{
struct mce *i = &per_cpu(injectm, m->extcpu);
- /* Make sure noone reads partially written injectm */
+ /* Make sure no one reads partially written injectm */
i->finished = 0;
mb();
m->finished = 0;
* Check if the address reported by the CPU is in a format we can parse.
* It would be possible to add code for most other cases, but all would
* be somewhat complicated (e.g. segment offset would require an instruction
- * parser). So only support physical addresses upto page granuality for now.
+ * parser). So only support physical addresses up to page granuality for now.
*/
static int mce_usable_address(struct mce *m)
{
/*
* This only handles 32bit MTRR on 32bit hosts. This is strictly wrong
- * because MTRRs can span upto 40 bits (36bits on most modern x86)
+ * because MTRRs can span up to 40 bits (36bits on most modern x86)
*/
#define DEBUG
/*
* If group events scheduling transaction was started,
- * skip the schedulability test here, it will be peformed
+ * skip the schedulability test here, it will be performed
* at commit time (->commit_txn) as a whole
*/
if (cpuc->group_flag & PERF_EVENT_TXN)
/*
- * Netburst Perfomance Events (P4, old Xeon)
+ * Netburst Performance Events (P4, old Xeon)
*
* Copyright (C) 2010 Parallels, Inc., Cyrill Gorcunov <gorcunov@openvz.org>
* Copyright (C) 2010 Intel Corporation, Lin Ming <ming.m.lin@intel.com>
*/
/*
- * if an event is shared accross the logical threads
+ * if an event is shared across the logical threads
* the user needs special permissions to be able to use it
*/
if (p4_ht_active() && p4_event_bind_map[v].shared) {
*
* It's still allowed that two threads setup same cache
* events so we can't simply clear metrics until we knew
- * noone is depending on us, so we need kind of counter
+ * no one is depending on us, so we need kind of counter
* for "ReplayEvent" users.
*
* What is more complex -- RAW events, if user (for some
* reason) will pass some cache event metric with improper
* event opcode -- it's fine from hardware point of view
- * but completely nonsence from "meaning" of such action.
+ * but completely nonsense from "meaning" of such action.
*
* So at moment let leave metrics turned on forever -- it's
* ok for now but need to be revisited!
}
/*
- * While checking the dmi string infomation, just checking the product
+ * While checking the dmi string information, just checking the product
* serial key should be enough, as this will always have a VMware
* specific string when running under VMware hypervisor.
*/
* A note on terminology:
* - top of stack: Architecture defined interrupt frame from SS to RIP
* at the top of the kernel process stack.
- * - partial stack frame: partially saved registers upto R11.
+ * - partial stack frame: partially saved registers up to R11.
* - full stack frame: Like partial stack frame, but all register saved.
*
* Some macro usage:
END(ret_from_fork)
/*
- * System call entry. Upto 6 arguments in registers are supported.
+ * System call entry. Up to 6 arguments in registers are supported.
*
* SYSCALL does not save anything on the stack and does not change the
* stack pointer.
* The _current_ task is using the FPU for the first time
* so initialize it and set the mxcsr to its default
* value at reset if we support XMM instructions and then
- * remeber the current task has used the FPU.
+ * remember the current task has used the FPU.
*/
int init_fpu(struct task_struct *tsk)
{
call_on_stack(__do_softirq, isp);
/*
- * Shouldnt happen, we returned above if in_interrupt():
+ * Shouldn't happen, we returned above if in_interrupt():
*/
WARN_ON_ONCE(softirq_count());
}
pevent = per_cpu_ptr(breakinfo[breakno].pev, cpu);
if (dbg_release_bp_slot(*pevent))
/*
- * The debugger is responisble for handing the retry on
+ * The debugger is responsible for handing the retry on
* remove failure.
*/
return -1;
/*
* WARNING: Be careful when making changes here. Putting an adapter
* and the motherboard simultaneously into setup mode may result in
- * damage to chips (according to The Indispensible PC Hardware Book
+ * damage to chips (according to The Indispensable PC Hardware Book
* by Hans-Peter Messmer). Also, we disable system interrupts (so
* that we are not disturbed in the middle of this).
*/
if (!mpc_new_phys) {
unsigned char old, new;
- /* check if we can change the postion */
+ /* check if we can change the position */
mpc->checksum = 0;
old = mpf_checksum((unsigned char *)mpc, mpc->length);
mpc->checksum = 0xff;
printk(KERN_INFO "mpc is readonly, please try alloc_mptable instead\n");
return 0;
}
- printk(KERN_INFO "use in-positon replacing\n");
+ printk(KERN_INFO "use in-position replacing\n");
} else {
mpf->physptr = mpc_new_phys;
mpc_new = phys_to_virt(mpc_new_phys);
if (pci_dev == PCI_DEVICE_ID_IBM_CALIOC2) {
/*
- * FIXME: properly scan for devices accross the
+ * FIXME: properly scan for devices across the
* PCI-to-PCI bridge on every CalIOC2 port.
*/
return 1;
/*
* calgary_init_bitmap_from_tce_table():
- * Funtion for kdump case. In the second/kdump kernel initialize
+ * Function for kdump case. In the second/kdump kernel initialize
* the bitmap based on the tce table entries obtained from first kernel
*/
static void calgary_init_bitmap_from_tce_table(struct iommu_table *tbl)
* Make sure block stepping (BTF) is not enabled unless it should be.
* Note that we don't try to worry about any is_setting_trap_flag()
* instructions after the first when using block stepping.
- * So noone should try to use debugger block stepping in a program
+ * So no one should try to use debugger block stepping in a program
* that uses user-mode single stepping itself.
*/
if (enable_single_step(child) && block) {
/*
* CPU0 cannot be offlined due to several
* restrictions and assumptions in kernel. This basically
- * doesnt add a control file, one cannot attempt to offline
+ * doesn't add a control file, one cannot attempt to offline
* BSP.
*
* Also certain PCI quirks require not to enable hotplug control
* the delta to the previous read. We keep track of the min
* and max values of that delta. The delta is mostly defined
* by the IO time of the PIT access, so we can detect when a
- * SMI/SMM disturbance happend between the two reads. If the
+ * SMI/SMM disturbance happened between the two reads. If the
* maximum time is significantly larger than the minimum time,
* then we discard the result and have another try.
*
* timer based, instead of loop based, we don't block the boot
* process while this longer calibration is done.
*
- * If there are any calibration anomolies (too many SMIs, etc),
+ * If there are any calibration anomalies (too many SMIs, etc),
* or the refined calibration is off by 1% of the fast early
* calibration, we throw out the new calibration and use the
* early calibration.
* This file is expected to run in 32bit code. Currently:
*
* arch/x86/boot/compressed/head_64.S: Boot cpu verification
- * arch/x86/kernel/trampoline_64.S: secondary processor verfication
+ * arch/x86/kernel/trampoline_64.S: secondary processor verification
* arch/x86/kernel/head_32.S: processor startup
*
* verify_cpu, returns the status of longmode and SSE in register %eax.
/*
* None of the feature bits are in init state. So nothing else
- * to do for us, as the memory layout is upto date.
+ * to do for us, as the memory layout is up to date.
*/
if ((xstate_bv & pcntxt_mask) == pcntxt_mask)
return;
return;
kvm_get_pfn(pfn);
/*
- * we call mmu_set_spte() with host_writable = true beacuse that
+ * we call mmu_set_spte() with host_writable = true because that
* vcpu->arch.update_pte.pfn was fetched from get_user_pages(write = 1).
*/
mmu_set_spte(vcpu, spte, sp->role.access, pte_access, 0, 0,
/*
* There is a race window between reading and incrementing, but we do
- * not care about potentially loosing timer events in the !reinject
+ * not care about potentially losing timer events in the !reinject
* case anyway. Note: KVM_REQ_PENDING_TIMER is implicitly checked
* in vcpu_enter_guest.
*/
/*
* Special case: close write to TSC within 5 seconds of
* another CPU is interpreted as an attempt to synchronize
- * The 5 seconds is to accomodate host load / swapping as
+ * The 5 seconds is to accommodate host load / swapping as
* well as any reset of TSC during the boot process.
*
* In that case, for a reliable TSC, we can match TSC offsets,
* instead we just use the real "cpuid" instruction. Then I pretty much turned
* off feature bits until the Guest booted. (Don't say that: you'll damage
* lguest sales!) Shut up, inner voice! (Hey, just pointing out that this is
- * hardly future proof.) Noone's listening! They don't like you anyway,
+ * hardly future proof.) No one's listening! They don't like you anyway,
* parenthetic weirdo!
*
* Replacing the cpuid so we can turn features off is great for the kernel, but
* rdx count
*
* Output:
- * eax uncopied bytes or 0 if successfull.
+ * eax uncopied bytes or 0 if successful.
*/
ENTRY(copy_user_generic_unrolled)
CFI_STARTPROC
adcq %r9,%rax
- /* do last upto 56 bytes */
+ /* do last up to 56 bytes */
.Lhandle_tail:
/* ecx: count */
movl %ecx,%r10d
addl %ebx,%eax
adcl %r9d,%eax
- /* do last upto 6 bytes */
+ /* do last up to 6 bytes */
.Lhandle_7:
movl %r10d,%ecx
andl $7,%ecx
count64--;
}
- /* last upto 7 8byte blocks */
+ /* last up to 7 8byte blocks */
count %= 8;
while (count) {
asm("addq %1,%0\n\t"
if (mm->free_area_cache < len)
goto fail;
- /* either no address requested or cant fit in requested address hole */
+ /* either no address requested or can't fit in requested address hole */
addr = (mm->free_area_cache - len) & huge_page_mask(h);
do {
/*
{
/*
* When this called, init has already been executed and released,
- * so everything past _etext sould be NX.
+ * so everything past _etext should be NX.
*/
unsigned long start = PFN_ALIGN(_etext);
/*
* @distance: NUMA distance
*
* Set the distance from node @from to @to to @distance. If distance table
- * doesn't exist, one which is large enough to accomodate all the currently
+ * doesn't exist, one which is large enough to accommodate all the currently
* known nodes will be created.
*
* If such table cannot be allocated, a warning is printed and further
* these shared mappings are made of small page mappings.
* Thus this don't enforce !RW mapping for small page kernel
* text mapping logic will help Linux Xen parvirt guest boot
- * aswell.
+ * as well.
*/
if (lookup_address(address, &level) && (level != PG_LEVEL_4K))
pgprot_val(forbidden) |= _PAGE_RW;
e820_reserve_resources_late();
/*
* Insert the IO APIC resources after PCI initialization has
- * occured to handle IO APICS that are mapped in on a BAR in
+ * occurred to handle IO APICS that are mapped in on a BAR in
* PCI space, but before trying to assign unassigned pci res.
*/
ioapic_insert_resources();
/*
* ioremap() and ioremap_nocache() defaults to UC MINUS for now.
* To avoid attribute conflicts, request UC MINUS here
- * aswell.
+ * as well.
*/
prot |= _PAGE_CACHE_UC_MINUS;
}
/*
- * Set up the inital kernel pagetable.
+ * Set up the initial kernel pagetable.
*
* We can construct this by grafting the Xen provided pagetable into
* head_64.S's preconstructed pagetables. We copy the Xen L2's into
projects / openwrt / staging / blogic.git / commitdiff