diff options
| author | Charlie Jenkins <[email protected]> | 2024-06-28 17:25:49 -0700 |
|---|---|---|
| committer | Palmer Dabbelt <[email protected]> | 2024-07-01 10:50:18 -0700 |
| commit | 7c5d838d70902f017bc9b272b494994654b0c2bd (patch) | |
| tree | cbc61b82003dc244ede72ba59cea0b1fe051d554 | |
| parent | 22a40d14b572deb80c0648557f4bd502d7e83826 (diff) | |
documentation: Fix riscv cmodx example
ON/OFF in the keys was swapped between the first and second argument of
the prctl. The prctl key is always PR_RISCV_SET_ICACHE_FLUSH_CTX, and
the second argument can be PR_RISCV_CTX_SW_FENCEI_ON or
PR_RISCV_CTX_SW_FENCEI_OFF.
Signed-off-by: Charlie Jenkins <[email protected]>
Fixes: 6a08e4709c58 ("documentation: Document PR_RISCV_SET_ICACHE_FLUSH_CTX prctl")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
| -rw-r--r-- | Documentation/arch/riscv/cmodx.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/arch/riscv/cmodx.rst b/Documentation/arch/riscv/cmodx.rst index 1c0ca06b6c97..8c48bcff3df9 100644 --- a/Documentation/arch/riscv/cmodx.rst +++ b/Documentation/arch/riscv/cmodx.rst @@ -62,10 +62,10 @@ cmodx.c:: printf("Value before cmodx: %d\n", value); // Call prctl before first fence.i is called inside modify_instruction - prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX_ON, PR_RISCV_CTX_SW_FENCEI, PR_RISCV_SCOPE_PER_PROCESS); + prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX, PR_RISCV_CTX_SW_FENCEI_ON, PR_RISCV_SCOPE_PER_PROCESS); modify_instruction(); // Call prctl after final fence.i is called in process - prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX_OFF, PR_RISCV_CTX_SW_FENCEI, PR_RISCV_SCOPE_PER_PROCESS); + prctl(PR_RISCV_SET_ICACHE_FLUSH_CTX, PR_RISCV_CTX_SW_FENCEI_OFF, PR_RISCV_SCOPE_PER_PROCESS); value = get_value(); printf("Value after cmodx: %d\n", value); |