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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/rtc/
Dtrivial-rtc.yaml23 # AB-RTCMC-32.768kHz-B5ZE-S3: Real Time Clock/Calendar Module with I2C Interface
25 # AB-RTCMC-32.768kHz-EOZ9: Real Time Clock/Calendar Module with I2C Interface
29 # Dallas DS1672 Real-time Clock
33 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
35 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE with Battery Backed RAM
37 # I2C-BUS INTERFACE REAL TIME CLOCK MODULE
43 # Intersil ISL12022 Real-time Clock
45 # Real Time Clock Module with I2C-Bus
47 # Real Time Clock Module with I2C-Bus
49 # Real Time Clock
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/kernel/linux/linux-5.10/fs/overlayfs/
Dfile.c109 static int ovl_real_fdget_meta(const struct file *file, struct fd *real, in ovl_real_fdget_meta() argument
115 real->flags = 0; in ovl_real_fdget_meta()
116 real->file = file->private_data; in ovl_real_fdget_meta()
124 if (unlikely(file_inode(real->file) != realinode)) { in ovl_real_fdget_meta()
125 real->flags = FDPUT_FPUT; in ovl_real_fdget_meta()
126 real->file = ovl_open_realfile(file, realinode); in ovl_real_fdget_meta()
128 return PTR_ERR_OR_ZERO(real->file); in ovl_real_fdget_meta()
132 if (unlikely((file->f_flags ^ real->file->f_flags) & ~OVL_OPEN_FLAGS)) in ovl_real_fdget_meta()
133 return ovl_change_flags(real->file, file->f_flags); in ovl_real_fdget_meta()
138 static int ovl_real_fdget(const struct file *file, struct fd *real) in ovl_real_fdget() argument
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Dexport.c41 * Before encoding a non-upper directory file handle from real layer N, we need
42 * to check if it will be possible to reconnect an overlay dentry from the real
176 * (*) Connecting an overlay dir from real lower dentry is not always
276 * Find or instantiate an overlay dentry from real dentries and index.
358 * Lookup a child overlay dentry to get a connected overlay dentry whose real
359 * dentry is @real. If @real is on upper layer, we lookup a child overlay
360 * dentry with the same name as the real dentry. Otherwise, we need to consult
364 struct dentry *real, in ovl_lookup_real_one() argument
373 * Lookup child overlay dentry by real name. The dir mutex protects us in ovl_lookup_real_one()
375 * real has already been moved to a parent that is not under the in ovl_lookup_real_one()
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/kernel/linux/linux-5.10/Documentation/core-api/
Ddebug-objects.rst21 debugobjects is not changing the data structure of the real object so it
53 Each of these functions takes the address of the real object and a
70 This function is called whenever the initialization function of a real
73 When the real object is already tracked by debugobjects it is checked,
78 problem before the real initialization of the object happens. E.g. it
82 When the real object is not yet tracked by debugobjects, debugobjects
83 allocates a tracker object for the real object and sets the tracker
93 This function is called whenever the initialization function of a real
96 When the real object is already tracked by debugobjects it is checked,
101 problem before the real initialization of the object happens. E.g. it
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/kernel/linux/linux-5.10/Documentation/vm/
Dactive_mm.rst26 - we have "real address spaces" and "anonymous address spaces". The
34 this category, but even "real" threads can temporarily say that for
40 - "tsk->mm" points to the "real address space". For an anonymous process,
42 really doesn't _have_ a real address space at all.
48 The rule is that for a process with a real address space (ie tsk->mm is
49 non-NULL) the active_mm obviously always has to be the same as the real
58 "mm_users" counter that is how many "real address space users" there are,
60 users) plus one if there are any real users.
62 Usually there is at least one real user, but it could be that the real
66 gets scheduled away in favour of a real thread, the "zombie" mm gets
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/kernel/linux/linux-5.10/arch/sparc/include/asm/
Dhypervisor.h63 #define HV_ENORADDR 2 /* Invalid real address */
119 * HV_ENORADDR Buffer is to an illegal real address.
124 * by the real address in ARG0. The buffer provided must be 16 byte
148 * the SIR (trap type 0x04) real trap table (RTBA) entry point on one
228 * array in real memory, of which each 16-bit word is a CPU ID. CPU
231 * second is the (real address) pointer to the CPU ID list.
244 * ENORADDR Invalid PC or RTBA real address
248 * Start CPU with given CPU ID with PC in %pc and with a real trap
328 * ARG1: base real address
331 * ERRORS: ENORADDR Invalid base real address
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/kernel/linux/linux-5.10/arch/x86/realmode/rm/
Dreboot.S10 * The following code and data reboots the machine by switching to real
46 /* Set up the IDT for real mode. */
50 * Set up a GDT from which we can load segment descriptors for real
51 * mode. The GDT is not used in real mode; it is just needed here to
70 * switch to real mode and jump to the BIOS reset code.
72 * The instruction that switches to real mode by writing to CR0 must be
74 * valid value for real mode, and flushes the prefetch queue to avoid
86 * occurred; hopefully real BIOSs don't assume much. This is not the
132 .word 0xffff /* Length - real mode default value */
133 .long 0 /* Base - real mode default value */
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Dtrampoline_32.S11 * in real mode with no stack, but the rest of the
17 * On entry to trampoline_start, the processor is in real mode
20 * of the real mode code before doing anything further.
46 * lgdt will not be able to load the address as in real mode default
Dwakeup_asm.S3 * ACPI wakeup real mode startup stub
148 * Set up the wakeup GDT. We set these up as Big Real Mode,
163 .word 0x008f /* big real mode */
167 .word 0x008f /* big real mode */
173 /* This is the standard real-mode IDT */
/kernel/linux/linux-5.10/Documentation/scheduler/
Dsched-deadline.rst12 3. Scheduling Real-Time Tasks
70 with the "traditional" real-time task model (see Section 3) can effectively
108 said to be "throttled" (also known as "depleted" in real-time literature)
165 real-time guarantees. It therefore enters a transitional state called
168 breaking the real-time guarantees.
299 3. Scheduling Real-Time Tasks
319 suited for periodic or sporadic real-time tasks that need guarantees on their
325 A typical real-time task is composed of a repetition of computation phases
333 A real-time task can be periodic with period P if r_{j+1} = r_j + P, or
336 Summing up, a real-time task can be described as
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/kernel/linux/linux-5.10/include/linux/mfd/syscon/
Datmel-st.h26 #define AT91_ST_RTMR 0x0c /* Real-time Mode Register */
27 #define AT91_ST_RTPRES 0xffff /* Real-time Prescalar Value */
32 #define AT91_ST_RTTINC BIT(2) /* Real-time Timer Increment */
39 #define AT91_ST_RTAR 0x20 /* Real-time Alarm Register */
42 #define AT91_ST_CRTR 0x24 /* Current Real-time Register */
43 #define AT91_ST_CRTV 0xfffff /* Current Real-Time Value */
/kernel/linux/linux-5.10/arch/s390/kvm/
Dgaccess.h20 * kvm_s390_real_to_abs - convert guest real address to guest absolute address
22 * @gra - guest real address
24 * Returns the guest absolute address that corresponds to the passed guest real
37 * kvm_s390_real_to_abs - convert guest real address to guest absolute address
39 * @gra - guest real address
41 * Returns the guest absolute address that corresponds to the passed guest real
107 * @gra: vcpu's destination guest real address
134 * @gra: vcpu's source guest real address
160 * @gra: vcpu's source guest real address
210 * If DAT is off data will be copied to guest real or absolute memory.
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/kernel/linux/linux-5.10/drivers/staging/media/atomisp/pci/isp/kernels/sdis/sdis_2/
Dia_css_sdis2_types.h34 s16 *odd_real; /** real part of the odd coefficients*/
36 s16 *even_real;/** real part of the even coefficients*/
41 …hor_coefs.odd_real is the pointer to int16_t[grid.num_hor_coefs] containing the horizontal odd real
57 s32 *odd_real; /** real part of the odd statistics*/
59 s32 *even_real;/** real part of the even statistics*/
65 …* the horizontal odd real statistics. Valid statistics data area is int16_t[0..grid.height-1][0..…
/kernel/liteos_a/testsuites/unittest/libc/time/clock/full/
Dclock_test_006.cpp56 /* get current real coarse time */ in ClockTest()
59 printf("The current coarse real time: sec is %lld, nsec is %ld\n", oldtp.tv_sec, oldtp.tv_nsec); in ClockTest()
64 /* set real coarse time */ in ClockTest()
69 printf("get coarse real time clock again\n"); in ClockTest()
71 /* get current real coarse time again */ in ClockTest()
74 printf("The current coarse real time again: sec is %lld, nsec is %ld\n", tp.tv_sec, tp.tv_nsec); in ClockTest()
Dclock_test_001.cpp56 /* get current real time */ in ClockTest()
58 printf("The current real time: sec is %lld, nsec is %ld\n", oldtp.tv_sec, oldtp.tv_nsec); in ClockTest()
67 /* set real time */ in ClockTest()
72 printf("get real time clock again\n"); in ClockTest()
74 /* get current real time again */ in ClockTest()
/kernel/linux/linux-5.10/include/linux/
Dtimekeeping.h28 * For other references, use the functions with "real", "clocktai",
75 * ktime_get_real - get the real (wall-) time in ktime_t format
226 * struct ktime_timestanps - Simultaneous mono/boot/real timestamps
229 * @real: Realtime timestamp
234 u64 real; member
238 * struct system_time_snapshot - simultaneous raw/real time capture with
241 * @real: Realtime system time
248 ktime_t real; member
/kernel/linux/linux-5.10/drivers/rtc/
DKconfig14 bool "Real Time Clock"
201 families of ultra-low-power battery- and capacitor-backed real-time
211 If you say yes here you get support for the real-time clock found
276 DS1374 real-time clock chips. If an interrupt is associated
289 real-time clock chips.
751 and DS1306 real time clock chips. These support a trickle
762 Dallas/Maxim DS1343 and DS1344 real time clock chips.
888 DS3232 and DS3234 real-time clock chips. If an interrupt is associated
953 Say "yes" here to get direct support for the real time clock
973 Direct support for the real-time clock found on every Alpha
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/kernel/linux/linux-5.10/drivers/char/agp/
Dati-agp.c46 unsigned long *real; member
60 page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL); in ati_create_page_map()
61 if (page_map->real == NULL) in ati_create_page_map()
64 set_memory_uc((unsigned long)page_map->real, 1); in ati_create_page_map()
65 err = map_page_into_agp(virt_to_page(page_map->real)); in ati_create_page_map()
66 page_map->remapped = page_map->real; in ati_create_page_map()
79 unmap_page_from_agp(virt_to_page(page_map->real)); in ati_free_page_map()
80 set_memory_wb((unsigned long)page_map->real, 1); in ati_free_page_map()
81 free_page((unsigned long) page_map->real); in ati_free_page_map()
95 if (entry->real != NULL) in ati_free_gatt_pages()
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Dsworks-agp.c33 unsigned long *real; member
52 page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL); in serverworks_create_page_map()
53 if (page_map->real == NULL) { in serverworks_create_page_map()
57 set_memory_uc((unsigned long)page_map->real, 1); in serverworks_create_page_map()
58 page_map->remapped = page_map->real; in serverworks_create_page_map()
69 set_memory_wb((unsigned long)page_map->real, 1); in serverworks_free_page_map()
70 free_page((unsigned long) page_map->real); in serverworks_free_page_map()
83 if (entry->real != NULL) { in serverworks_free_gatt_pages()
159 writel(virt_to_phys(serverworks_private.scratch_dir.real) | 1, page_dir.remapped+i); in serverworks_create_gatt_table()
169 agp_bridge->gatt_table_real = (u32 *)page_dir.real; in serverworks_create_gatt_table()
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Damd-k7-agp.c27 unsigned long *real; member
41 page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL); in amd_create_page_map()
42 if (page_map->real == NULL) in amd_create_page_map()
45 set_memory_uc((unsigned long)page_map->real, 1); in amd_create_page_map()
46 page_map->remapped = page_map->real; in amd_create_page_map()
58 set_memory_wb((unsigned long)page_map->real, 1); in amd_free_page_map()
59 free_page((unsigned long) page_map->real); in amd_free_page_map()
72 if (entry->real != NULL) in amd_free_gatt_pages()
144 agp_bridge->gatt_table_real = (u32 *)page_dir.real; in amd_create_gatt_table()
146 agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real); in amd_create_gatt_table()
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/kernel/linux/linux-5.10/include/uapi/linux/
Dacct.h49 __u16 ac_uid16; /* LSB of Real User ID */
50 __u16 ac_gid16; /* LSB of Real Group ID */
71 __u32 ac_uid; /* Real User ID */
72 __u32 ac_gid; /* Real Group ID */
81 __u32 ac_uid; /* Real User ID */
82 __u32 ac_gid; /* Real Group ID */
/kernel/linux/linux-5.10/Documentation/parisc/
Ddebugging.rst12 A lot of the assembly code currently runs in real mode, which means
22 When real-mode code tries to access non-existent memory, you'll get
26 the I/O range); the System Responder address is the address real-mode
31 get translated to a physical address before real-mode code tried to
/kernel/linux/linux-5.10/Documentation/x86/
Dboot.rst12 real-mode DOS as a mainstream operating system.
103 | Stack/heap | For use by the kernel real-mode code.
105 | Kernel setup | The kernel real-mode code.
121 0x100000 ("high memory"), and the kernel real-mode block (boot sector,
154 | Stack/heap | For use by the kernel real-mode code.
156 | Kernel setup | The kernel real-mode code.
171 The Real-Mode Kernel Header
179 real-mode code (boot sector and setup code) and then examine the
180 following header at offset 0x01f1. The real-mode code can total up to
233 real value is 4.
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/
Datmel-sysregs.txt72 - atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
75 - atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up.
76 - atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
79 - atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up.
104 - atmel,wakeup-rtc-timer: boolean to enable Real-Time Clock wake-up.
107 - atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up.
/kernel/linux/linux-5.10/scripts/
DMakefile.lib66 real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(…
67 real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(…
99 real-obj-y := $(addprefix $(obj)/,$(real-obj-y))
100 real-obj-m := $(addprefix $(obj)/,$(real-obj-m))
190 part-of-module = $(if $(filter $(basename $@).o, $(real-obj-m)),y)
257 cmd_ld = $(LD) $(ld_flags) $(real-prereqs) -o $@
263 cmd_ar = rm -f $@; $(AR) cDPrsT $@ $(real-prereqs)
275 cmd_gzip = cat $(real-prereqs) | $(KGZIP) -n -f -9 > $@
355 for F in $(real-prereqs); do \
369 cmd_bzip2 = { cat $(real-prereqs) | $(KBZIP2) -9; $(size_append); } > $@
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