From mboxrd@z Thu Jan 1 00:00:00 1970 From: ard.biesheuvel@linaro.org (Ard Biesheuvel) Date: Thu, 4 Feb 2016 16:50:30 +0100 Subject: [PATCH v2 7/7] ARM/arm64: efistub: perform hardware compatibility check In-Reply-To: <1454601030-9093-1-git-send-email-ard.biesheuvel@linaro.org> References: <1454601030-9093-1-git-send-email-ard.biesheuvel@linaro.org> Message-ID: <1454601030-9093-8-git-send-email-ard.biesheuvel@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Before proceeding with relocating the kernel and parsing the command line, insert a call to check_platform_features() to allow an arch specific check to be performed whether the current kernel can execute on the current hardware. Reviewed-by: Jeremy Linton Tested-by: Suzuki K Poulose Signed-off-by: Ard Biesheuvel --- drivers/firmware/efi/libstub/arm-stub.c | 4 ++++ drivers/firmware/efi/libstub/efistub.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c index 3397902e4040..6086a874fa3c 100644 --- a/drivers/firmware/efi/libstub/arm-stub.c +++ b/drivers/firmware/efi/libstub/arm-stub.c @@ -190,6 +190,10 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table, pr_efi(sys_table, "Booting Linux Kernel...\n"); + status = check_platform_features(sys_table); + if (status != EFI_SUCCESS) + goto fail; + /* * Get a handle to the loaded image protocol. This is used to get * information about the running image, such as size and the command diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h index 275f395c886d..a25ac4c7955f 100644 --- a/drivers/firmware/efi/libstub/efistub.h +++ b/drivers/firmware/efi/libstub/efistub.h @@ -53,4 +53,6 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, unsigned long desc_size, efi_memory_desc_t *runtime_map, int *count); +efi_status_t check_platform_features(efi_system_table_t *sys_table_arg); + #endif -- 2.5.0