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f7ff53e470
linux/arch/x86/boot/compressed
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Kirill A. Shutemov f7ff53e470 x86/boot/compressed/64: Use stack from trampoline memory 
As the first step on using trampoline memory, let's make 32-bit code use
stack there.

Separate stack is required to return back from trampoline and we cannot
user stack from 64-bit mode as it may be above 4G.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180312100246.89175-3-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-03-12 11:49:24 +01:00
..
.gitignore x86, boot: add new generated files to the appropriate .gitignore files 2009-06-02 21:13:30 -07:00
cmdline.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cpuflags.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
early_serial_console.c x86, boot: Don't compile early_serial_console.c when !CONFIG_EARLY_PRINTK 2014-08-17 14:58:24 -07:00
eboot.c treewide/trivial: Remove ';;$' typo noise 2018-02-22 10:59:33 +01:00
eboot.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
efi_stub_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
efi_stub_64.S x86/efi: Avoid triple faults during EFI mixed mode calls 2015-02-13 15:42:56 +00:00
efi_thunk_64.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
error.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
error.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
head_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
head_64.S x86/boot/compressed/64: Use stack from trampoline memory 2018-03-12 11:49:24 +01:00
kaslr_64.c x86/boot/compressed/64: Rename pagetable.c to kaslr_64.c 2018-02-11 12:36:18 +01:00
kaslr.c x86/mm: Initialize 'pgdir_shift' and 'ptrs_per_p4d' at boot-time 2018-02-16 10:48:47 +01:00
Makefile x86/boot/compressed/64: Rename pagetable.c to kaslr_64.c 2018-02-11 12:36:18 +01:00
mem_encrypt.S x86/boot: Add early boot support when running with SEV active 2017-11-07 15:35:58 +01:00
misc.c x86/boot/compressed/64: Find a place for 32-bit trampoline 2018-03-12 09:37:23 +01:00
misc.h x86/mm: Optimize boot-time paging mode switching cost 2018-02-21 10:19:18 +01:00
mkpiggy.c x86/KASLR: Clean up unused code from old 'run_size' and rename it to 'kernel_total_size' 2016-04-29 11:03:30 +02:00
pgtable_64.c x86/boot/compressed/64: Prepare new top-level page table for trampoline 2018-03-12 09:37:26 +01:00
pgtable.h x86/boot/compressed/64: Set up trampoline memory 2018-03-12 09:37:25 +01:00
string.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vmlinux.lds.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00