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| author | Borislav Petkov <bp@suse.de> | 2021-10-04 17:37:22 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-04 17:37:22 +0200 |
| commit | c7419a6e1aa3219ff62045ab6e56e37d5ad2d292 (patch) | |
| tree | a5145db864629e50196ba0f13e0b1c80f7d4331a /arch/x86/kernel/setup.c | |
| parent | x86: Increase exception stack sizes (diff) | |
| parent | treewide: Replace the use of mem_encrypt_active() with cc_platform_has() (diff) | |
| download | linux-c7419a6e1aa3219ff62045ab6e56e37d5ad2d292.tar.xz linux-c7419a6e1aa3219ff62045ab6e56e37d5ad2d292.zip | |
Merge branch x86/cc into x86/core
Pick up dependent cc_platform_has() changes.
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 79f164141116..40ed44ead063 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -830,6 +830,20 @@ void __init setup_arch(char **cmdline_p) x86_init.oem.arch_setup(); + /* + * Do some memory reservations *before* memory is added to memblock, so + * memblock allocations won't overwrite it. + * + * After this point, everything still needed from the boot loader or + * firmware or kernel text should be early reserved or marked not RAM in + * e820. All other memory is free game. + * + * This call needs to happen before e820__memory_setup() which calls the + * xen_memory_setup() on Xen dom0 which relies on the fact that those + * early reservations have happened already. + */ + early_reserve_memory(); + iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1; e820__memory_setup(); parse_setup_data(); @@ -876,18 +890,6 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); - /* - * Do some memory reservations *before* memory is added to - * memblock, so memblock allocations won't overwrite it. - * Do it after early param, so we could get (unlikely) panic from - * serial. - * - * After this point everything still needed from the boot loader or - * firmware or kernel text should be early reserved or marked not - * RAM in e820. All other memory is free game. - */ - early_reserve_memory(); - #ifdef CONFIG_MEMORY_HOTPLUG /* * Memory used by the kernel cannot be hot-removed because Linux |