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/linux/Documentation/core-api/kho/bindings/
H A Dkho.yaml11 System memory preserved by KHO across kexec.
18 preserved-memory-map:
20 physical address (u64) of an in-memory structure describing all preserved
30 - preserved-memory-map
38 preserved-memory-map = <0xf0be16 0x1000000>;
/linux/Documentation/core-api/kho/
H A Dfdt.rst11 all preserved memory regions, as well as physical addresses of KHO users'
17 Property ``preserved-memory-map``
20 KHO saves a special property named ``preserved-memory-map`` under the root node.
37 can recover its state from the preserved FDT.
53 preserved-memory-map = <0x40be16 0x1000000>;
H A Dconcepts.rst17 that describes preserved memory regions. These regions contain either
19 across kexec. After KHO, subsystems can retrieve and restore preserved
/linux/arch/s390/include/asm/
H A Dvmlinux.lds.h23 * .boot.preserved.data is similar to .boot.data, but it is not part of the
24 * .init section and thus will be preserved for later use in the decompressed
29 .boot.preserved.data : { \
31 *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.boot.preserved.data*))) \
H A Dsections.h20 * .boot.preserved.data is similar to .boot.data, but it is not part of the
21 * .init section and thus will be preserved for later use in the decompressed
24 #define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var
/linux/Documentation/arch/arm64/
H A Dtagged-pointers.rst56 When delivering signals, non-zero tags are not preserved in
64 are preserved in response to synchronous tag check faults (SEGV_MTESERR)
65 otherwise not preserved even if SA_EXPOSE_TAGBITS was set.
71 tag information will be preserved regardless of the SA_EXPOSE_TAGBITS
74 Non-zero tags are never preserved in sigcontext.fault_address
H A Dsme.rst72 * On thread creation PSTATE.ZA and TPIDR2_EL0 are preserved unless CLONE_VM
87 * On syscall PSTATE.ZA is preserved, if PSTATE.ZA==1 then the contents of the
88 ZA matrix and ZTn (if present) are preserved.
101 length (if any), is preserved across all syscalls, subject to the specific
/linux/arch/xtensa/include/asm/
H A Dasm-uaccess.h45 * <aa> preserved
46 * <as> preserved
75 * <aa> preserved
76 * <as> preserved
/linux/arch/loongarch/include/asm/
H A Dthread_info.h86 #define TIF_LSX_CTX_LIVE 25 /* LSX context must be preserved */
87 #define TIF_LASX_CTX_LIVE 26 /* LASX context must be preserved */
89 #define TIF_LBT_CTX_LIVE 28 /* LBT context must be preserved */
/linux/kernel/
H A Dkexec_handover.c33 #define PROP_PRESERVED_MEMORY_MAP "preserved-memory-map"
67 * Keep track of memory that is to be preserved across KHO.
107 /* First chunk of serialized preserved memory map */
265 * kho_restore_folio - recreates the folio from the preserved memory.
283 * Restore a contiguous list of order 0 pages that was preserved with
445 pr_err("failed to get preserved memory bitmaps\n"); in kho_mem_deserialize()
703 * the physical address of @fdt. The pages of @fdt must also be preserved
745 * will be preserved as well.
898 * physical pages mapped at @ptr will be preserved and on successful return
960 * space from the preserved memory.
[all …]
/linux/arch/arm/include/asm/
H A Dfiq.h9 * NOTE: The FIQ mode registers are not magically preserved across
12 * Drivers which require these registers to be preserved across power
/linux/tools/testing/selftests/drivers/net/
H A Dnapi_threaded.py74 of all napis is preserved after a change in number of queues.
104 the napi threaded state is preserved after a change in
/linux/drivers/gpu/drm/gma500/
H A Dintel_i2c.c49 /* On most chips, these bits must be preserved in software. */ in set_clock()
69 /* On most chips, these bits must be preserved in software. */ in set_data()
/linux/arch/mips/include/asm/
H A Dpm.h21 /* Call preserved GPRs */
45 /* Call preserved GPRs */
/linux/Documentation/livepatch/
H A Dmodule-elf-format.rst31 preserved for livepatch modules (see section 5). Livepatch manages its own
98 Since ELF information is preserved for livepatch modules (see Section 5), a
218 preserved in order for apply_relocate_add() to find the right symbol.
302 symbol table, and relocation section indices, ELF information is preserved for
/linux/arch/arm64/kernel/
H A Dsyscall.c116 * issue the skip and we fall into trace_exit with x0 preserved. in el0_svc_common()
120 * then x0 will be preserved for all system calls apart from a in el0_svc_common()
/linux/arch/arm/mm/
H A Dpabort-legacy.S12 * Returns : r4 - r11, r13 preserved
H A Dpabort-v6.S12 * Returns : r4 - r11, r13 preserved
H A Dabort-nommu.S11 * Returns : r4 - r11, r13 preserved
H A Dpabort-v7.S12 * Returns : r4 - r11, r13 preserved
H A Dabort-ev7.S11 * Returns : r4 - r11, r13 preserved
/linux/tools/memory-model/litmus-tests/
H A DS+poonceonces.litmus9 * READ_ONCE(), is ordering preserved?
H A DISA2+poonceonces.litmus7 * against the last process's load, is ordering preserved if all of the
/linux/Documentation/arch/arm/
H A Dkernel_mode_neon.rst21 register file is not preserved and restored at every context switch or taken
32 kept 'live', and is only preserved and restored when multiple tasks are
/linux/tools/testing/selftests/x86/
H A Dtest_syscall_vdso.c157 * backports the change), R8..11 are preserved. in check_regs64()
304 * On paravirt kernels, flags are not preserved across syscalls. in run_syscall()
318 printf("[OK]\tArguments are preserved across syscall\n"); in run_syscall()

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