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06486d6c97
linux_dsm_epyc7002/arch/x86/boot/compressed
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Kees Cook 06486d6c97 x86/KASLR: Return earliest overlap when avoiding regions 
In preparation for being able to detect where to split up contiguous
memory regions that overlap with memory regions to avoid, we need to
pass back what the earliest overlapping region was. This modifies the
overlap checker to return that information.

Based on a separate mem_min_overlap() implementation by Baoquan He.

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: kernel-hardening@lists.openwall.com
Cc: lasse.collin@tukaani.org
Link: http://lkml.kernel.org/r/1462825332-10505-5-git-send-email-keescook@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-10 10:12:04 +02:00
..
.gitignore x86, boot: add new generated files to the appropriate .gitignore files 2009-06-02 21:13:30 -07:00
cmdline.c x86/boot: Rename "real_mode" to "boot_params" 2016-04-19 10:30:50 +02:00
cpuflags.c x86, boot: Rename get_flags() and check_flags() to *_cpuflags() 2013-10-13 04:08:56 -07:00
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 * Make the EFI System Resource Table (ESRT) driver explicitly 2015-10-14 16:51:34 +02:00
eboot.h efi/x86: Move x86 back to libstub 2014-11-11 22:23:11 +00:00
efi_stub_32.S x86, efi: EFI boot stub support 2011-12-12 14:26:10 -08:00
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 x86/efi: Avoid triple faults during EFI mixed mode calls 2015-02-13 15:42:56 +00:00
error.c x86/boot: Extract error reporting functions 2016-05-03 08:15:58 +02:00
error.h x86/boot: Extract error reporting functions 2016-05-03 08:15:58 +02:00
head_32.S 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
head_64.S x86/KASLR: Build identity mappings on demand 2016-05-07 07:38:39 +02:00
kaslr.c x86/KASLR: Return earliest overlap when avoiding regions 2016-05-10 10:12:04 +02:00
Makefile x86/KASLR: Build identity mappings on demand 2016-05-07 07:38:39 +02:00
misc.c x86/boot: Simplify pointer casting in choose_random_location() 2016-05-07 07:38:38 +02:00
misc.h x86/KASLR: Build identity mappings on demand 2016-05-07 07:38:39 +02:00
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
pagetable.c x86/KASLR: Initialize mapping_info every time 2016-05-10 10:12:02 +02:00
string.c x86/boot: Warn on future overlapping memcpy() use 2016-05-03 08:15:58 +02:00
vmlinux.lds.S x86/boot: Move compressed kernel to the end of the decompression buffer 2016-04-29 11:03:29 +02:00