| /kernel/linux/linux-5.10/drivers/cpufreq/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
16 For details, take a look at <file:Documentation/cpu-freq>.
41 default CPU_FREQ_DEFAULT_GOV_SCHEDUTIL if X86_INTEL_PSTATE && SMP
74 depends on !(X86_INTEL_PSTATE && SMP)
79 you to get a full dynamic frequency capable system by simply
80 loading your cpufreq low-level hardware driver.
87 depends on !(X86_INTEL_PSTATE && SMP)
92 you to get a full dynamic frequency capable system by simply
93 loading your cpufreq low-level hardware driver.
100 depends on SMP
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sram/ |
| D | sram.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic on-chip SRAM
10 - Rob Herring <robh@kernel.org>
19 Following the generic-names recommended practice, node names should
30 - mmio-sram
31 - atmel,sama5d2-securam
32 - rockchip,rk3288-pmu-sram
42 "#address-cells":
[all …]
|
| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/sram/ |
| D | rockchip-smp-sram.txt | 1 Rockchip SRAM for smp bringup:
2 ------------------------------
4 Rockchip's smp-capable SoCs use the first part of the sram for the bringup
8 Therefore a reserved section sub-node has to be added to the mmio-sram
11 Required sub-node properties:
12 - compatible : should be "rockchip,rk3066-smp-sram"
14 The rest of the properties should follow the generic mmio-sram discription
20 compatible = "mmio-sram";
22 #address-cells = <1>;
23 #size-cells = <1>;
[all …]
|
| D | samsung-sram.txt | 1 Samsung Exynos SYSRAM for SMP bringup:
2 ------------------------------------
4 Samsung SMP-capable Exynos SoCs use part of the SYSRAM for the bringup
8 Therefore reserved section sub-nodes have to be added to the mmio-sram
10 non-secure execution environment.
12 Required sub-node properties:
13 - compatible : depending upon boot mode, should be
14 "samsung,exynos4210-sysram" : for Secure SYSRAM
15 "samsung,exynos4210-sysram-ns" : for Non-secure SYSRAM
17 The rest of the properties should follow the generic mmio-sram discription
[all …]
|
| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/arm/amlogic/ |
| D | smp-sram.txt | 1 Amlogic Meson8 and Meson8b SRAM for smp bringup:
2 ------------------------------------------------
4 Amlogic's SMP-capable SoCs use part of the sram for the bringup of the cores.
8 Therefore a reserved section sub-node has to be added to the mmio-sram
11 Required sub-node properties:
12 - compatible : depending on the SoC this should be one of:
13 "amlogic,meson8-smp-sram"
14 "amlogic,meson8b-smp-sram"
16 The rest of the properties should follow the generic mmio-sram discription
22 compatible = "mmio-sram";
[all …]
|
| /kernel/linux/linux-4.19/drivers/cpufreq/ |
| D | Kconfig | 15 For details, take a look at <file:Documentation/cpu-freq>.
79 you to get a full dynamic frequency capable system by simply
80 loading your cpufreq low-level hardware driver.
91 you to get a full dynamic frequency capable system by simply
92 loading your cpufreq low-level hardware driver.
99 depends on SMP
142 For details, take a look at <file:Documentation/cpu-freq/>.
150 'ondemand' - This driver adds a dynamic cpufreq policy governor.
160 For details, take a look at linux/Documentation/cpu-freq.
169 'conservative' - this driver is rather similar to the 'ondemand'
[all …]
|
| /kernel/linux/linux-4.19/Documentation/admin-guide/ |
| D | tainted-kernels.rst | 2 ---------------
6 mechanism. The string is followed by a series of position-sensitive
14 2) ``F`` if any module was force loaded by ``insmod -f``, ``' '`` if all
17 3) ``S`` if the oops occurred on an SMP kernel running on hardware that
20 SMP capable.
22 4) ``R`` if a module was force unloaded by ``rmmod -f``, ``' '`` if all
28 6) ``B`` if a page-release function has found a bad page reference or
46 13) ``O`` if an externally-built ("out-of-tree") module has been loaded.
|
| /kernel/linux/linux-4.19/arch/parisc/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
50 select HAVE_UNSTABLE_SCHED_CLOCK if SMP
58 The PA-RISC microprocessor is designed by Hewlett-Packard and used
60 and later HP3000 series). The PA-RISC Linux project home page is
61 at <http://www.parisc-linux.org/>.
75 depends on SMP && PREEMPT
106 depends on SMP
109 # unless you want to implement ACPI on PA-RISC ... ;-)
141 ---help---
144 that can run on all 32-bit PA CPUs (albeit not optimally fast),
[all …]
|
| /kernel/linux/linux-5.10/drivers/cpuidle/ |
| D | Kconfig.arm | 1 # SPDX-License-Identifier: GPL-2.0-only
12 at run-time through DT nodes. The CPUidle suspend backend is
23 It provides an idle driver that is capable of detecting and
46 define different C-states for little and big cores through the
75 bool "Cpu Idle Driver for the ST-E u8500 processors"
78 Select this to enable cpuidle for ST-E u8500 processors.
90 select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
103 select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
|
| /kernel/linux/linux-4.19/arch/xtensa/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
41 Xtensa processors are 32-bit RISC machines designed by Tensilica
46 a home page at <http://www.linux-xtensa.org/>.
93 bool "fsf - default (not generic) configuration"
97 bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"
104 bool "dc233c - Diamond 233L Standard Core Rev.C (LE)"
140 ie: it supports a TLB with auto-loading, page protection.
178 bool "System Supports SMP (MX)"
182 This option is use to indicate that the system-on-a-chip (SOC)
193 You still have to select "Enable SMP" to enable SMP on this SOC.
[all …]
|
| /kernel/linux/linux-5.10/arch/parisc/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
54 select HAVE_UNSTABLE_SCHED_CLOCK if SMP
62 select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
69 The PA-RISC microprocessor is designed by Hewlett-Packard and used
71 and later HP3000 series). The PA-RISC Linux project home page is
85 default "arch/parisc/configs/generic-32bit_defconfig" if !64BIT
86 default "arch/parisc/configs/generic-64bit_defconfig" if 64BIT
91 depends on SMP && PREEMPTION
116 depends on SMP
119 # unless you want to implement ACPI on PA-RISC ... ;-)
[all …]
|
| /kernel/linux/linux-4.19/arch/mips/include/asm/ |
| D | timex.h | 17 #include <asm/cpu-features.h>
19 #include <asm/cpu-type.h>
31 * Currently only used on SMP for scheduling.
37 * We know that all SMP capable CPUs have cycle counters.
81 * Like get_cycles - but where c0_count is not available we desperately
|
| /kernel/linux/linux-5.10/arch/mips/include/asm/ |
| D | timex.h | 17 #include <asm/cpu-features.h>
19 #include <asm/cpu-type.h>
31 * Currently only used on SMP for scheduling.
37 * We know that all SMP capable CPUs have cycle counters.
81 * Like get_cycles - but where c0_count is not available we desperately
|
| /kernel/linux/linux-4.19/arch/arm/mach-exynos/ |
| D | exynos.c | 1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2010-2014 Samsung Electronics Co., Ltd.
15 #include <linux/soc/samsung/exynos-regs-pmu.h>
18 #include <asm/hardware/cache-l2x0.h>
32 .id = -1,
42 for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram") { in exynos_sysram_init()
49 for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram-ns") { in exynos_sysram_init()
64 if (!of_flat_dt_is_compatible(node, "samsung,exynos4210-chipid")) in exynos_fdt_map_chipid()
72 iodesc.length = be32_to_cpu(reg[1]) - 1; in exynos_fdt_map_chipid()
90 * Set or clear the USE_DELAYED_RESET_ASSERTION option. Used by smp code
[all …]
|
| /kernel/linux/linux-5.10/arch/ia64/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
38 select GENERIC_PENDING_IRQ if SMP
62 The Itanium Processor Family is Intel's 64-bit successor to
63 the 32-bit X86 line. The IA-64 Linux project has a home
65 <linux-ia64@vger.kernel.org>.
130 Select your IA-64 processor type. The default is Itanium.
131 This choice is safe for all IA-64 systems, but may not perform
148 This lets you select the page size of the kernel. For best IA-64
150 IA-32 compatibility, a page size of 4KB should be selected (the vast
151 majority of IA-32 binaries work perfectly fine with a larger page
[all …]
|
| /kernel/linux/linux-5.10/arch/xtensa/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
47 Xtensa processors are 32-bit RISC machines designed by Tensilica
52 a home page at <http://www.linux-xtensa.org/>.
96 bool "fsf - default (not generic) configuration"
100 bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"
107 bool "dc233c - Diamond 233L Standard Core Rev.C (LE)"
143 ie: it supports a TLB with auto-loading, page protection.
181 bool "System Supports SMP (MX)"
185 This option is used to indicate that the system-on-a-chip (SOC)
196 You still have to select "Enable SMP" to enable SMP on this SOC.
[all …]
|
| /kernel/linux/linux-5.10/arch/arm/mach-exynos/ |
| D | exynos.c | 1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (c) 2010-2014 Samsung Electronics Co., Ltd.
15 #include <linux/soc/samsung/exynos-regs-pmu.h>
18 #include <asm/hardware/cache-l2x0.h>
33 .id = -1,
52 for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram") { in exynos_sysram_init()
62 for_each_compatible_node(node, NULL, "samsung,exynos4210-sysram-ns") { in exynos_sysram_init()
78 if (!of_flat_dt_is_compatible(node, "samsung,exynos4210-chipid")) in exynos_fdt_map_chipid()
86 iodesc.length = be32_to_cpu(reg[1]) - 1; in exynos_fdt_map_chipid()
108 * Set or clear the USE_DELAYED_RESET_ASSERTION option. Used by smp code
[all …]
|
| /kernel/linux/linux-5.10/arch/arm/mach-omap2/ |
| D | omap-smp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * OMAP4 SMP source file. It contains platform specific functions
4 * needed for the linux smp kernel.
11 * Platform file needed for the OMAP4 SMP. This file is based on arm
12 * realview smp platform.
17 #include <linux/smp.h>
19 #include <linux/irqchip/arm-gic.h>
25 #include "omap-secure.h"
26 #include "omap-wakeupgen.h"
87 * BIT(27) - Disables streaming. All write-allocate lines allocate in in omap5_erratum_workaround_801819()
[all …]
|
| /kernel/linux/linux-5.10/net/unix/ |
| D | scm.c | 1 // SPDX-License-Identifier: GPL-2.0
30 if (S_ISSOCK(inode->i_mode) && !(filp->f_mode & FMODE_PATH)) { in unix_get_socket()
32 struct sock *s = sock->sk; in unix_get_socket()
35 if (s && sock->ops && sock->ops->family == PF_UNIX) in unix_get_socket()
57 if (atomic_long_inc_return(&u->inflight) == 1) { in unix_inflight()
58 BUG_ON(!list_empty(&u->link)); in unix_inflight()
59 list_add_tail(&u->link, &gc_inflight_list); in unix_inflight()
61 BUG_ON(list_empty(&u->link)); in unix_inflight()
65 user->unix_inflight++; in unix_inflight()
78 BUG_ON(!atomic_long_read(&u->inflight)); in unix_notinflight()
[all …]
|
| /kernel/linux/linux-4.19/arch/x86/kernel/ |
| D | ioport.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * This contains the io-permission bitmap code - written by obz, with changes
14 #include <linux/smp.h>
28 struct thread_struct *t = ¤t->thread; in ksys_ioperm()
33 return -EINVAL; in ksys_ioperm()
34 if (turn_on && !capable(CAP_SYS_RAWIO)) in ksys_ioperm()
35 return -EPERM; in ksys_ioperm()
42 if (!t->io_bitmap_ptr) { in ksys_ioperm()
46 return -ENOMEM; in ksys_ioperm()
49 t->io_bitmap_ptr = bitmap; in ksys_ioperm()
[all …]
|
| /kernel/linux/linux-4.19/arch/arm/mach-omap2/ |
| D | omap-smp.c | 2 * OMAP4 SMP source file. It contains platform specific functions
3 * needed for the linux smp kernel.
10 * Platform file needed for the OMAP4 SMP. This file is based on arm
11 * realview smp platform.
20 #include <linux/smp.h>
22 #include <linux/irqchip/arm-gic.h>
28 #include "omap-secure.h"
29 #include "omap-wakeupgen.h"
92 * BIT(27) - Disables streaming. All write-allocate lines allocate in in omap5_erratum_workaround_801819()
94 * BIT(25) - Disables streaming. All write-allocate lines allocate in in omap5_erratum_workaround_801819()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/admin-guide/ |
| D | tainted-kernels.rst | 2 ---------------
16 ('kernel oops') or a non-recoverable error ('kernel panic') and writes debug
29 Oops: 0002 [#1] SMP PTI
30 CPU: 0 PID: 4424 Comm: insmod Tainted: P W O 4.20.0-0.rc6.fc30 #1
43 a warning occurred (``W``), and an externally-built module was loaded (``O``).
53 decode that number is the script ``tools/debugging/kernel-chktaint``, which your
54 distribution might ship as part of a package called ``linux-tools`` or
55 ``kernel-tools``; if it doesn't you can download the script from
56 …git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/tools/debugging/kernel-chktaint>`_
57 and execute it with ``sh kernel-chktaint``, which would print something like
[all …]
|
| /kernel/linux/linux-4.19/kernel/time/ |
| D | Kconfig | 16 # cycle update - x86/TSC misfeature
32 # Architecture can handle broadcast in a driver-agnostic way
80 will only trigger on an as-needed basis when the system is idle.
90 depends on SMP
108 This is implemented at the expense of some overhead in user <-> kernel
130 hardware is not capable then this option only increases
|
| /kernel/linux/linux-4.19/arch/powerpc/platforms/ |
| D | Kconfig.cputype | 1 # SPDX-License-Identifier: GPL-2.0
3 bool "64-bit kernel"
7 This option selects whether a 32-bit or a 64-bit kernel
257 ---help---
258 This option enables kernel support for larger than 32-bit physical
263 is platform-dependent.
270 ---help---
278 any affect on a non-altivec cpu (it does, however add code to the
286 ---help---
294 VSX (P7 and above), but does not have any affect on a non-VSX
[all …]
|
| /kernel/linux/linux-5.10/arch/sh/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
79 <http://www.linux-sh.org/>.
93 depends on SMP && PREEMPTION
215 prompt "Processor sub-type selection"
221 # SH-2 Processor Support
232 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
234 # SH-2A Processor Support
280 bool "Support MX-G processor"
284 Select MX-G if running on an R8A03022BG part.
286 # SH-3 Processor Support
[all …]
|