diff options
| author |   Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-02-17 12:36:03 +0000 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-02-22 08:26:27 +0100 |
| commit | b9d6769b5678dbd6cb328d20716561d35b2b1510 (patch) | |
| tree | 084405efa68a796c16971c44ab6ef517df66b72d /drivers/firmware | |
| parent | efi/arm64: Check for h/w support before booting a >4 KB granular kernel (diff) | |
| download | linux-dev-b9d6769b5678dbd6cb328d20716561d35b2b1510.tar.xz linux-dev-b9d6769b5678dbd6cb328d20716561d35b2b1510.zip | |
efi/arm*: Perform hardware compatibility check
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.
Tested-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1455712566-16727-11-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/libstub/arm-stub.c | 4 | ||||
| -rw-r--r-- | drivers/firmware/efi/libstub/efistub.h | 2 |
2 files changed, 6 insertions, 0 deletions
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 86ff7bfa6ace..981c6035ce09 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 |