diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0044-x86-mm-Insure-that-boot-memory-areas-are-mapped-prop.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0044-x86-mm-Insure-that-boot-memory-areas-are-mapped-prop.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0044-x86-mm-Insure-that-boot-memory-areas-are-mapped-prop.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0044-x86-mm-Insure-that-boot-memory-areas-are-mapped-prop.patch deleted file mode 100644 index 1556de93..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0044-x86-mm-Insure-that-boot-memory-areas-are-mapped-prop.patch +++ /dev/null @@ -1,76 +0,0 @@ -From ecf8d81ff98e04cce37a8d4453c58a2f0d0b818a Mon Sep 17 00:00:00 2001 -From: Sudheesh Mavila <sudheesh.mavila@amd.com> -Date: Mon, 13 Aug 2018 13:02:46 +0530 -Subject: [PATCH 44/95] x86/mm: Insure that boot memory areas are mapped - properly -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -From b9d05200bc12444c7778a49c9694d8382ed06aa8 -The boot data and command line data are present in memory in a decrypted -state and are copied early in the boot process. The early page fault -support will map these areas as encrypted, so before attempting to copy -them, add decrypted mappings so the data is accessed properly when copied. - -For the initrd, encrypt this data in place. Since the future mapping of -the initrd area will be mapped as encrypted the data will be accessed -properly. - -Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> -Reviewed-by: Thomas Gleixner <tglx@linutronix.de> -Cc: Alexander Potapenko <glider@google.com> -Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> -Cc: Andy Lutomirski <luto@kernel.org> -Cc: Arnd Bergmann <arnd@arndb.de> -Cc: Borislav Petkov <bp@alien8.de> -Cc: Brijesh Singh <brijesh.singh@amd.com> -Cc: Dave Young <dyoung@redhat.com> -Cc: Dmitry Vyukov <dvyukov@google.com> -Cc: Jonathan Corbet <corbet@lwn.net> -Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -Cc: Larry Woodman <lwoodman@redhat.com> -Cc: Linus Torvalds <torvalds@linux-foundation.org> -Cc: Matt Fleming <matt@codeblueprint.co.uk> -Cc: Michael S. Tsirkin <mst@redhat.com> -Cc: Paolo Bonzini <pbonzini@redhat.com> -Cc: Peter Zijlstra <peterz@infradead.org> -Cc: Radim Krčmář <rkrcmar@redhat.com> -Cc: Rik van Riel <riel@redhat.com> -Cc: Toshimitsu Kani <toshi.kani@hpe.com> -Cc: kasan-dev@googlegroups.com -Cc: kvm@vger.kernel.org -Cc: linux-arch@vger.kernel.org -Cc: linux-doc@vger.kernel.org -Cc: linux-efi@vger.kernel.org -Cc: linux-mm@kvack.org -Link: http://lkml.kernel.org/r/bb0d430b41efefd45ee515aaf0979dcfda8b6a44.1500319216.git.thomas.lendacky@amd.com -Signed-off-by: Ingo Molnar <mingo@kernel.org> - -Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> ---- - arch/x86/include/asm/pgtable.h | 3 +++ - arch/x86/mm/mem_encrypt.c | 0 - 2 files changed, 3 insertions(+) - mode change 100644 => 100755 arch/x86/mm/mem_encrypt.c - -diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h -index 6a4b1a5..dbf9fc7 100644 ---- a/arch/x86/include/asm/pgtable.h -+++ b/arch/x86/include/asm/pgtable.h -@@ -27,6 +27,9 @@ - extern pgd_t early_top_pgt[PTRS_PER_PGD]; - int __init __early_make_pgtable(unsigned long address, pmdval_t pmd); - -+extern pgd_t early_top_pgt[PTRS_PER_PGD]; -+int __init __early_make_pgtable(unsigned long address, pmdval_t pmd); -+ - void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd); - void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user); - void ptdump_walk_pgd_level_checkwx(void); -diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c -old mode 100644 -new mode 100755 --- -2.7.4 - |