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include: Make sbi_current_hartid() as macro in riscv_asm.h

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The sbi_current_hartid() being a regular function is quite
expensive because for callers it is a function call instead
of a direct CSR read. This patch converts sbi_current_hartid()
into a macro in riscv_asm.h.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-03-12 10:21:25 +05:30
committed by Anup Patel
parent 16e7071f6d
commit 823345ecae
20 changed files with 49 additions and 52 deletions
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2
lib/sbi/sbi_ipi.c
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@@ -176,7 +176,7 @@ void sbi_ipi_process(struct sbi_scratch *scratch)
struct sbi_ipi_data *ipi_data =
sbi_scratch_offset_ptr(scratch, ipi_data_off);
u32 hartid = sbi_current_hartid();
u32 hartid = current_hartid();
sbi_platform_ipi_clear(plat, hartid);
ipi_type = atomic_raw_xchg_ulong(&ipi_data->ipi_type, 0);