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SUSE:SLE-12-SP5:Update
grub2.15813
0001-efi-really-mark-memory-of-unknown-type-as-...
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File 0001-efi-really-mark-memory-of-unknown-type-as-reserved.patch of Package grub2.15813
From 3d2c8048da7db334fd6d57b27304ac765fd4cd67 Mon Sep 17 00:00:00 2001 From: Andrei Borzenkov <arvidjaar@gmail.com> Date: Thu, 26 Nov 2015 19:50:42 +0300 Subject: [PATCH] efi: really mark memory of unknown type as reserved 9be4c45dbe3c877d1f4856e99ee15133c6cd2261 added switch case between fall through cases, causing all memory regions of unknown type to be marked as available. Move default case into its own block and add explicit FALLTHROUGH annotation. Reported by Elliott, Robert (Persistent Memory) <elliott@hpe.com> --- grub-core/mmap/efi/mmap.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) Index: grub-2.02~beta2/grub-core/mmap/efi/mmap.c =================================================================== --- grub-2.02~beta2.orig/grub-core/mmap/efi/mmap.c +++ grub-2.02~beta2/grub-core/mmap/efi/mmap.c @@ -73,6 +73,7 @@ grub_efi_mmap_iterate (grub_memory_hook_ GRUB_MEMORY_AVAILABLE, hook_data); break; } + /* FALLTHROUGH */ case GRUB_EFI_RUNTIME_SERVICES_CODE: hook (desc->physical_start, desc->num_pages * 4096, GRUB_MEMORY_CODE, hook_data); @@ -83,10 +84,6 @@ grub_efi_mmap_iterate (grub_memory_hook_ GRUB_MEMORY_BADRAM, hook_data); break; - default: - grub_printf ("Unknown memory type %d, considering reserved\n", - desc->type); - case GRUB_EFI_BOOT_SERVICES_DATA: if (!avoid_efi_boot_services) { @@ -94,6 +91,7 @@ grub_efi_mmap_iterate (grub_memory_hook_ GRUB_MEMORY_AVAILABLE, hook_data); break; } + /* FALLTHROUGH */ case GRUB_EFI_RESERVED_MEMORY_TYPE: case GRUB_EFI_RUNTIME_SERVICES_DATA: case GRUB_EFI_MEMORY_MAPPED_IO: @@ -119,6 +117,13 @@ grub_efi_mmap_iterate (grub_memory_hook_ hook (desc->physical_start, desc->num_pages * 4096, GRUB_MEMORY_NVS, hook_data); break; + + default: + grub_printf ("Unknown memory type %d, considering reserved\n", + desc->type); + hook (desc->physical_start, desc->num_pages * 4096, + GRUB_MEMORY_RESERVED, hook_data); + break; } }
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