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| author | Ard Biesheuvel <ardb@kernel.org> | 2025-05-04 11:52:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-05-04 15:59:43 +0200 |
| commit | 419cbaf6a56a6e4b7e6d2278302c197f55dec830 (patch) | |
| tree | 3caf5cd3d0a56eaa28ebe0095863f7cba48cba4f /arch/x86/kernel/cpu/common.c | |
| parent | x86/linkage: Add SYM_PIC_ALIAS() macro helper to emit symbol aliases (diff) | |
| download | linux-419cbaf6a56a6e4b7e6d2278302c197f55dec830.tar.gz linux-419cbaf6a56a6e4b7e6d2278302c197f55dec830.zip | |
x86/boot: Add a bunch of PIC aliases
Add aliases for all the data objects that the startup code references -
this is needed so that this code can be moved into its own confined area
where it can only access symbols that have a __pi_ prefix.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Dionna Amalie Glaze <dionnaglaze@google.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Kevin Loughlin <kevinloughlin@google.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-efi@vger.kernel.org
Link: https://lore.kernel.org/r/20250504095230.2932860-39-ardb+git@google.com
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 12126adbc3a9..f0f85482a73b 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -242,6 +242,7 @@ DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { #endif } }; EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); +SYM_PIC_ALIAS(gdt_page); #ifdef CONFIG_X86_64 static int __init x86_nopcid_setup(char *s) |