Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
efi: Drop unused efi_range_is_wc() function
efi_range_is_wc() has no callers, so remove it.
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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include/linux/efi.h
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include/linux/efi.h
···
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const void *data, size_t size,
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efi_element_handler_t (*get_handler_for_guid)(const efi_guid_t *));
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/**
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* efi_range_is_wc - check the WC bit on an address range
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* @start: starting kvirt address
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* @len: length of range
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*
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* Consult the EFI memory map and make sure it's ok to set this range WC.
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* Returns true or false.
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*/
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static inline int efi_range_is_wc(unsigned long start, unsigned long len)
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{
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unsigned long i;
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for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) {
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unsigned long paddr = __pa(start + i);
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if (!(efi_mem_attributes(paddr) & EFI_MEMORY_WC))
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return 0;
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}
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/* The range checked out */
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return 1;
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}
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/*
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* We play games with efi_enabled so that the compiler will, if
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* possible, remove EFI-related code altogether.