tools headers UAPI: Update process_madvise affected files

[linux-2.6-microblaze.git] / tools / perf / arch / x86 / entry / syscalls / syscall_64.tbl

diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 3478096..3798192 100644 (file)
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -361,12 +361,13 @@
 437    common  openat2                 sys_openat2
 438    common  pidfd_getfd             sys_pidfd_getfd
 439    common  faccessat2              sys_faccessat2
+440    common  process_madvise         sys_process_madvise
 
 #
-# x32-specific system call numbers start at 512 to avoid cache impact
-# for native 64-bit operation. The __x32_compat_sys stubs are created
-# on-the-fly for compat_sys_*() compatibility system calls if X86_X32
-# is defined.
+# Due to a historical design error, certain syscalls are numbered differently
+# in x32 as compared to native x86_64.  These syscalls have numbers 512-547.
+# Do not add new syscalls to this range.  Numbers 548 and above are available
+# for non-x32 use.
 #
 512    x32     rt_sigaction            compat_sys_rt_sigaction
 513    x32     rt_sigreturn            compat_sys_x32_rt_sigreturn
@@ -404,3 +405,5 @@
 545    x32     execveat                compat_sys_execveat
 546    x32     preadv2                 compat_sys_preadv64v2
 547    x32     pwritev2                compat_sys_pwritev64v2
+# This is the end of the legacy x32 range.  Numbers 548 and above are
+# not special and are not to be used for x32-specific syscalls.