From: Arnaldo Carvalho de Melo <acme@redhat.com> mainline inclusion from v5.0-rc2 commit 3d32c4531958 category: feature bugzilla: 27615 CVE: NA ------------------------------------------------- To get the changes in ba8308856564 ("arm64: add prctl control for resetting ptrauth keys"), that introduce a prctl with a name that needs to be catch by the prctl cmd table generator, which will be done in the next cset. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kristina Martsenko <kristina.martsenko@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Will Deacon <will.deacon@arm.com> Link: https://lkml.kernel.org/n/tip-a1pahzc8lci0ey1fjvv1chdm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- tools/include/uapi/linux/prctl.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h index b17201edfa09a..b4875a93363a9 100644 --- a/tools/include/uapi/linux/prctl.h +++ b/tools/include/uapi/linux/prctl.h @@ -220,4 +220,12 @@ struct prctl_mm_map { # define PR_SPEC_DISABLE (1UL << 2) # define PR_SPEC_FORCE_DISABLE (1UL << 3) +/* Reset arm64 pointer authentication keys */ +#define PR_PAC_RESET_KEYS 54 +# define PR_PAC_APIAKEY (1UL << 0) +# define PR_PAC_APIBKEY (1UL << 1) +# define PR_PAC_APDAKEY (1UL << 2) +# define PR_PAC_APDBKEY (1UL << 3) +# define PR_PAC_APGAKEY (1UL << 4) + #endif /* _LINUX_PRCTL_H */ -- 2.25.1