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| author |  Ard Biesheuvel <ardb@kernel.org>
| 2023-10-17 15:25:13 +0200 |
|---|---|---|
| committer |  Ingo Molnar <mingo@kernel.org>
| 2023-10-18 12:03:04 +0200 |
| commit | 50dcc2e0d62e3c4a54f39673c4dc3dcde7c74d52 (patch) | |
| tree | 7b7b64ca438e2fd366a0449446c60be2f0d661c5 /drivers/firmware/efi | |
| parent | x86/boot: Rename conflicting 'boot_params' pointer to 'boot_params_ptr' (diff) | |
| download | linux-50dcc2e0d62e3c4a54f39673c4dc3dcde7c74d52.tar.gz linux-50dcc2e0d62e3c4a54f39673c4dc3dcde7c74d52.tar.bz2 linux-50dcc2e0d62e3c4a54f39673c4dc3dcde7c74d52.zip | |
x86/boot: efistub: Assign global boot_params variable
Now that the x86 EFI stub calls into some APIs exposed by the
decompressor (e.g., kaslr_get_random_long()), it is necessary to ensure
that the global boot_params variable is set correctly before doing so.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'drivers/firmware/efi')
| -rw-r--r-- | drivers/firmware/efi/libstub/x86-stub.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 3bfc59637dd1..76cc0d08e68a 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -818,6 +818,8 @@ void __noreturn efi_stub_entry(efi_handle_t handle, unsigned long kernel_entry; efi_status_t status; + boot_params_ptr = boot_params; + efi_system_table = sys_table_arg; /* Check if we were booted by the EFI firmware */ if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) |