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efi/arm*: Perform hardware compatibility check

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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 <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
Reviewed-by: Jeremy Linton <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ard Biesheuvel 2016-02-17 12:36:03 +00:00 • committed by Ingo Molnar
commit b9d6769b56
2 changed files with 6 additions and 0 deletions
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4
drivers/firmware/efi/libstub/arm-stub.c
View file

@ -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

2
drivers/firmware/efi/libstub/efistub.h
View file

@ -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