Tong Tiangen 78a743cd82 riscv/vdso: Move vdso data page up front ... As commit 601255ae3c ("arm64: vdso: move data page before code pages"), the same issue exists on riscv, testcase is shown below, make sure that vdso.so is bigger than page size, struct timespec tp; clock_gettime(5, &tp); printf("tv_sec: %ld, tv_nsec: %ld\n", tp.tv_sec, tp.tv_nsec); without this patch, test result : tv_sec: 0, tv_nsec: 0 with this patch, test result : tv_sec: 1629271537, tv_nsec: 748000000 Move the vdso data page in front of the VDSO area to fix the issue. Fixes: ad5d1122b8 ("riscv: use vDSO common flow to reduce the latency of the time-related functions") Signed-off-by: Tong Tiangen <tongtiangen@huawei.com> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>		2021-10-02 13:42:25 -07:00
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asm	riscv/vdso: Move vdso data page up front	2021-10-02 13:42:25 -07:00
uapi/asm	riscv: Add cache information in AUX vector	2020-09-15 18:46:08 -07:00