Unverified Commit 62149f35 authored Nov 04, 2020 by Atish Patra Committed by Palmer Dabbelt Nov 25, 2020

RISC-V: Initialize SBI early



Currently, SBI is initialized towards the end of arch setup. This prevents
the set memory operations to be invoked earlier as it requires a full tlb
flush.

Initialize SBI as early as possible.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Tested-by: Greentime Hu <greentime.hu@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

parent 5cb0080f

arch/riscv/kernel/setup.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -249,6 +249,9 @@ void __init setup_arch(char **cmdline_p)
		pr_err("No DTB found in kernel mappings\n");
		#endif

		if (IS_ENABLED(CONFIG_RISCV_SBI))
		sbi_init();

		#ifdef CONFIG_SWIOTLB
		swiotlb_init(1);
		#endif
		@@ -257,10 +260,6 @@ void __init setup_arch(char **cmdline_p)
		kasan_init();
		#endif

		#if IS_ENABLED(CONFIG_RISCV_SBI)
		sbi_init();
		#endif

		#ifdef CONFIG_SMP
		setup_smp();
		#endif

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