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| author |   Atish Patra <atish.patra@wdc.com> | 2020-11-04 16:04:36 -0800 |
|---|---|---|
| committer |   Palmer Dabbelt <palmerdabbelt@google.com> | 2020-11-25 16:05:17 -0800 |
| commit | 62149f3564c5a59cb42834cbe97e6f36ad81a029 (patch) | |
| tree | 8b7bcec6c469028991a71d934f3153d086aa32f5 | |
| parent | riscv: Enable ARCH_STACKWALK (diff) | |
| download | linux-dev-62149f3564c5a59cb42834cbe97e6f36ad81a029.tar.xz linux-dev-62149f3564c5a59cb42834cbe97e6f36ad81a029.zip | |
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>
| -rw-r--r-- | arch/riscv/kernel/setup.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 515b5a662706..20470e5a7d3c 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -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 |