Merge branch 'spectre' of git://git.armlinux.org.uk/~rmk/linux-arm (b72f711a) · Commits · 戴 / test

Pull ARM spectre fix from Russell King: "Exynos folk noticed that CPU hotplug wasn't working with their kernel configuration, and have tested this as fixing the problem" * 'spectre' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: ensure that processor vtables is not lost after boot

arch/arm/mm/proc-macros.S

+10 −0

Original line number	Diff line number	Diff line
		@@ -274,6 +274,13 @@
		.endm

		.macro define_processor_functions name:req, dabort:req, pabort:req, nommu=0, suspend=0, bugs=0
		/*
		* If we are building for big.Little with branch predictor hardening,
		* we need the processor function tables to remain available after boot.
		*/
		#if 1 // defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
		.section ".rodata"
		#endif
		.type \name\()_processor_functions, #object
		.align 2
		ENTRY(\name\()_processor_functions)
		@@ -309,6 +316,9 @@ ENTRY(\name\()_processor_functions)
		.endif

		.size \name\()_processor_functions, . - \name\()_processor_functions
		#if 1 // defined(CONFIG_BIG_LITTLE) && defined(CONFIG_HARDEN_BRANCH_PREDICTOR)
		.previous
		#endif
		.endm

		.macro define_cache_functions name:req

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