| Kconfig (14e77332e74603efab8347c89d3cda447c3b97c9) | Kconfig (80ddf5ce1c9291cb175d52ed1227134ad48c47ee) |
|---|---|
| 1# SPDX-License-Identifier: GPL-2.0 2config MMU 3 def_bool y 4 5config CPU_BIG_ENDIAN 6 def_bool y 7 8config LOCKDEP_SUPPORT --- 554 unchanged lines hidden (view full) --- 563 bool "spectre_v2=auto" 564 565config EXPOLINE_FULL 566 bool "spectre_v2=on" 567 568endchoice 569 570config RELOCATABLE | 1# SPDX-License-Identifier: GPL-2.0 2config MMU 3 def_bool y 4 5config CPU_BIG_ENDIAN 6 def_bool y 7 8config LOCKDEP_SUPPORT --- 554 unchanged lines hidden (view full) --- 563 bool "spectre_v2=auto" 564 565config EXPOLINE_FULL 566 bool "spectre_v2=on" 567 568endchoice 569 570config RELOCATABLE |
| 571 bool "Build a relocatable kernel" 572 default y | 571 def_bool y |
| 573 help 574 This builds a kernel image that retains relocation information 575 so it can be loaded at an arbitrary address. 576 The kernel is linked as a position-independent executable (PIE) 577 and contains dynamic relocations which are processed early in the 578 bootup process. 579 The relocations make the kernel image about 15% larger (compressed 580 10%), but are discarded at runtime. | 572 help 573 This builds a kernel image that retains relocation information 574 so it can be loaded at an arbitrary address. 575 The kernel is linked as a position-independent executable (PIE) 576 and contains dynamic relocations which are processed early in the 577 bootup process. 578 The relocations make the kernel image about 15% larger (compressed 579 10%), but are discarded at runtime. |
| 580 Note: this option exists only for documentation purposes, please do 581 not remove it. |
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| 581 582config RANDOMIZE_BASE 583 bool "Randomize the address of the kernel image (KASLR)" | 582 583config RANDOMIZE_BASE 584 bool "Randomize the address of the kernel image (KASLR)" |
| 584 depends on RELOCATABLE | |
| 585 default y 586 help 587 In support of Kernel Address Space Layout Randomization (KASLR), 588 this randomizes the address at which the kernel image is loaded, 589 as a security feature that deters exploit attempts relying on 590 knowledge of the location of kernel internals. 591 592endmenu --- 337 unchanged lines hidden --- | 585 default y 586 help 587 In support of Kernel Address Space Layout Randomization (KASLR), 588 this randomizes the address at which the kernel image is loaded, 589 as a security feature that deters exploit attempts relying on 590 knowledge of the location of kernel internals. 591 592endmenu --- 337 unchanged lines hidden --- |