mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-22 22:07:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

KVM: riscv: selftests: Use the existing RISCV_FENCE macro in rseq-riscv.h

Browse Source 
To avoid redefinition issues with RISCV_FENCE, directly reference
the existing macro in `rseq-riscv.h`.

Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Signed-off-by: Dong Yang <dayss1224@gmail.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/85e5e51757c9289ca463fbc4ba6d22f9c9db791b.1756710918.git.dayss1224@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Quan Zhou
2025-09-01 15:35:49 +08:00
committed by Anup Patel
parent b4ab605e2f
commit c92786e179
1 changed files with 1 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
tools/testing/selftests/rseq/rseq-riscv.h
View File

@@ -8,6 +8,7 @@
* exception when executed in all modes.
*/
#include <endian.h>
#include <asm/fence.h>
#if defined(__BYTE_ORDER) ? (__BYTE_ORDER == __LITTLE_ENDIAN) : defined(__LITTLE_ENDIAN)
#define RSEQ_SIG 0xf1401073 /* csrr mhartid, x0 */
@@ -24,8 +25,6 @@
#define REG_L __REG_SEL("ld ", "lw ")
#define REG_S __REG_SEL("sd ", "sw ")
#define RISCV_FENCE(p, s) \
__asm__ __volatile__ ("fence " #p "," #s : : : "memory")
#define rseq_smp_mb() RISCV_FENCE(rw, rw)
#define rseq_smp_rmb() RISCV_FENCE(r, r)
#define rseq_smp_wmb() RISCV_FENCE(w, w)