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Commit adeff422 authored by Catalin Marinas's avatar Catalin Marinas Committed by Russell King
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[ARM] 3470/1: Clear the HWCAP bits for the disabled kernel features 



Patch from Catalin Marinas

Glibc interprets the HWCAP bits and decides on what features to use.
However, even if the features are present in the hardware, they are not
always supported by the kernel and hence the corresponding bits have to be
cleared from the elf_hwcap variable.

Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 7359036d

arch/arm/kernel/setup.c

+6 −0
Original line number Original line Diff line number Diff line
@@ -322,6 +322,12 @@ static void __init setup_processor(void) 
	sprintf(system_utsname.machine, "%s%c", list->arch_name, ENDIANNESS);

	sprintf(system_utsname.machine, "%s%c", list->arch_name, ENDIANNESS);

	sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);

	sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);

	elf_hwcap = list->elf_hwcap;

	elf_hwcap = list->elf_hwcap;

#ifndef CONFIG_ARM_THUMB

	elf_hwcap &= ~HWCAP_THUMB;

#endif

#ifndef CONFIG_VFP

	elf_hwcap &= ~HWCAP_VFP;

#endif





	cpu_proc_init();

	cpu_proc_init();

}

}