From: Ard Biesheuvel <ardb@kernel.org>
To: linux-efi@vger.kernel.org
Cc: keescook@chromium.org, Ard Biesheuvel <ardb@kernel.org>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Peter Jones <pjones@redhat.com>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Atish Patra <atishp@atishpatra.org>,
Arnd Bergmann <arnd@arndb.de>,
Huacai Chen <chenhuacai@loongson.cn>,
Xi Ruoyao <xry111@xry111.site>,
Lennart Poettering <lennart@poettering.net>,
Jeremy Linton <jeremy.linton@arm.com>,
Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>
Subject: [PATCH 06/21] efi: libstub: Drop handling of EFI properties table
Date: Mon, 17 Oct 2022 19:16:45 +0200 [thread overview]
Message-ID: <20221017171700.3736890-7-ardb@kernel.org> (raw)
In-Reply-To: <20221017171700.3736890-1-ardb@kernel.org>
The EFI properties table was a short lived experiment that never saw the
light of day on non-x86 (if at all) so let's drop the handling of it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/libstub/efi-stub.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c
index 0ebfa2d9628a..b55d1009d4c8 100644
--- a/drivers/firmware/efi/libstub/efi-stub.c
+++ b/drivers/firmware/efi/libstub/efi-stub.c
@@ -126,7 +126,6 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
unsigned long reserve_addr = 0;
unsigned long reserve_size = 0;
struct screen_info *si;
- efi_properties_table_t *prop_tbl;
efi_system_table = sys_table_arg;
@@ -205,18 +204,6 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
efi_random_get_seed();
- /*
- * If the NX PE data feature is enabled in the properties table, we
- * should take care not to create a virtual mapping that changes the
- * relative placement of runtime services code and data regions, as
- * they may belong to the same PE/COFF executable image in memory.
- * The easiest way to achieve that is to simply use a 1:1 mapping.
- */
- prop_tbl = get_efi_config_table(EFI_PROPERTIES_TABLE_GUID);
- flat_va_mapping |= prop_tbl &&
- (prop_tbl->memory_protection_attribute &
- EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA);
-
/* force efi_novamap if SetVirtualAddressMap() is unsupported */
efi_novamap |= !(get_supported_rt_services() &
EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP);
--
2.35.1
next prev parent reply other threads:[~2022-10-17 17:17 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 17:16 [PATCH 00/21] efi: Combine stub functionality with zboot decompressor Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 01/21] arm64: efi: Move dcache cleaning of loaded image out of efi_enter_kernel() Ard Biesheuvel
2022-10-18 11:27 ` Catalin Marinas
2022-10-18 11:38 ` Ard Biesheuvel
2022-10-18 11:54 ` Catalin Marinas
2022-10-17 17:16 ` [PATCH 02/21] arm64: efi: Avoid dcache_clean_poc() altogether in efi_enter_kernel() Ard Biesheuvel
2022-10-18 11:57 ` Catalin Marinas
2022-10-18 11:59 ` Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 03/21] arm64: efi: Move efi-entry.S into the libstub source directory Ard Biesheuvel
2022-10-18 11:57 ` Catalin Marinas
2022-10-17 17:16 ` [PATCH 04/21] efi: libstub: Remove zboot signing from build options Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 05/21] efi: libstub: Drop randomization of runtime memory map Ard Biesheuvel
2022-10-17 17:16 ` Ard Biesheuvel [this message]
2022-10-17 17:16 ` [PATCH 07/21] efi: libstub: Deduplicate ftrace command line argument filtering Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 08/21] efi: libstub: Use local strncmp() implementation unconditionally Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 09/21] efi: libstub: Clone memcmp() into the stub Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 10/21] efi: libstub: Enable efi_printk() in zboot decompressor Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 11/21] efi: loongarch: Drop exports of unused string routines Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 12/21] efi: libstub: Move screen_info handling to common code Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 13/21] efi: libstub: Provide local implementations of strrchr() and memchr() Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 14/21] efi: libstub: Factor out EFI stub entrypoint into separate file Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 15/21] efi: libstub: Add image code and data size to the zimage metadata Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 16/21] efi: libstub: Factor out min alignment and preferred kernel load address Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 17/21] efi/riscv: libstub: Split off kernel image relocation for builtin stub Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 18/21] efi/arm64: " Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 19/21] efi/loongarch: Don't jump to kernel entry via the old image Ard Biesheuvel
2022-10-17 17:16 ` [PATCH 20/21] efi/loongarch: libstub: Split off kernel image relocation for builtin stub Ard Biesheuvel
2022-10-17 17:17 ` [PATCH 21/21] efi: libstub: Merge zboot decompressor with the ordinary stub Ard Biesheuvel
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