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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-10-09 14:57:18 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-10-09 16:15:06 +0300 |
| commit | 9c9d589ea310f1290e4d6d2019fc8b51d9a86e42 (patch) | |
| tree | 81694631f4e848728774c22256baf6cded4f910d /arch/riscv64/kernel/entry.S | |
| parent | b2f0f82e18665cb754b93d9795a6f1fb9dfc7c93 (diff) | |
| download | kmi-9c9d589ea310f1290e4d6d2019fc8b51d9a86e42.tar.gz kmi-9c9d589ea310f1290e4d6d2019fc8b51d9a86e42.zip | |
move rpc stack handling to arch-specific code
+ Fairly considerable speedup, as we don't have to look up the rpc pte
every time separately, instead cacheing them. Adds an architecture
specific limitation to total rpc stack size, though.
Diffstat (limited to 'arch/riscv64/kernel/entry.S')
| -rw-r--r-- | arch/riscv64/kernel/entry.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/riscv64/kernel/entry.S b/arch/riscv64/kernel/entry.S index 2959e2f..815694b 100644 --- a/arch/riscv64/kernel/entry.S +++ b/arch/riscv64/kernel/entry.S @@ -67,7 +67,7 @@ handle_trap: call kernel_panic continue_trap: - sr sp, offsetof_tcbd(tp) + sr sp, offsetof_arch(tp) lr sp, offsetof_regs(tp) addi sp, sp, -sizeof_registers csrrw tp, CSR_SSCRATCH, tp @@ -78,7 +78,7 @@ continue_trap: /* get current tcb into tp and set scratch to 0 so we can figure out if * exception occured in kernel or userspace */ csrrw tp, CSR_SSCRATCH, x0 - lr t5, offsetof_tcbd(tp) + lr t5, offsetof_arch(tp) sr t5, offsetof_sp(sp) /* load supervisor cause */ |