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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-24 13:54:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-24 13:54:06 -0700
commitab8de2dbfc9ec912f2762f3b813437a4c4f56251 (patch)
treeede5d2cdc56320d4047beb06d51472a36d56bda9 /drivers/firmware/efi/libstub/x86-stub.c
parent5e74df2f8f15eaa1ebbdfc1f6fef27a26d789de8 (diff)
parent62b71cd73d41ddac6b1760402bbe8c4932e23531 (diff)
Merge tag 'efi-fixes-for-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel: - Fix logic that is supposed to prevent placement of the kernel image below LOAD_PHYSICAL_ADDR - Use the firmware stack in the EFI stub when running in mixed mode - Clear BSS only once when using mixed mode - Check efi.get_variable() function pointer for NULL before trying to call it * tag 'efi-fixes-for-v6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi: fix panic in kdump kernel x86/efistub: Don't clear BSS twice in mixed mode x86/efistub: Call mixed mode boot services on the firmware's stack efi/libstub: fix efi_random_alloc() to allocate memory at alloc_min or higher address
Diffstat (limited to 'drivers/firmware/efi/libstub/x86-stub.c')
-rw-r--r--drivers/firmware/efi/libstub/x86-stub.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 57888614e90f..6a6ffc6707bd 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -476,7 +476,8 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
efi_status_t status;
char *cmdline_ptr;
- memset(_bss, 0, _ebss - _bss);
+ if (efi_is_native())
+ memset(_bss, 0, _ebss - _bss);
efi_system_table = sys_table_arg;