Merge tag 'perf-tools-for-v5.10-2020-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:
 "Only fixes and a sync of the headers so that the perf build is silent:

   - Fix visibility attribute in python module init code with newer gcc

   - Fix DRAM_BW_Use 0 issue for CLX/SKX in intel JSON vendor event
     files

   - Fix the build on new fedora by removing LTO compiler options when
     building perl support

   - Remove broken __no_tail_call attribute

   - Fix segfault when trying to trace events by cgroup

   - Fix crash with non-jited BPF progs

   - Increase buffer size in TUI browser, fixing format truncation

   - Fix printing of build-id for objects lacking one

   - Fix byte swapping for ino_generation field in MMAP2 perf.data
     records

   - Fix byte swapping for CGROUP perf.data records, for cross arch
     analysis of perf.data files

   - Fix the fast path of feature detection

   - Update kernel header copies"

* tag 'perf-tools-for-v5.10-2020-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (23 commits)
  tools feature: Fixup fast path feature detection
  perf tools: Add missing swap for cgroup events
  perf tools: Add missing swap for ino_generation
  perf tools: Initialize output buffer in build_id__sprintf
  perf hists browser: Increase size of 'buf' in perf_evsel__hists_browse()
  tools include UAPI: Update linux/mount.h copy
  tools headers UAPI: Update tools's copy of linux/perf_event.h
  tools kvm headers: Update KVM headers from the kernel sources
  tools UAPI: Update copy of linux/mman.h from the kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  tools x86 headers: Update required-features.h header from the kernel
  tools x86 headers: Update cpufeatures.h headers copies
  tools headers UAPI: Update fscrypt.h copy
  tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
  tools headers UAPI: Sync prctl.h with the kernel sources
  perf scripting python: Avoid declaring function pointers with a visibility attribute
  perf tools: Remove broken __no_tail_call attribute
  perf vendor events: Fix DRAM_BW_Use 0 issue for CLX/SKX
  perf trace: Fix segfault when trying to trace events by cgroup
  perf tools: Fix crash with non-jited bpf progs
  ...

1 files changed, 0 insertions, 12 deletions

diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index b9d4322e1e65..95c072b70d0e 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -27,18 +27,6 @@
 #define  __pure		__attribute__((pure))
 #endif
 #define  noinline	__attribute__((noinline))
-#ifdef __has_attribute
-#if __has_attribute(disable_tail_calls)
-#define __no_tail_call	__attribute__((disable_tail_calls))
-#endif
-#endif
-#ifndef __no_tail_call
-#if GCC_VERSION > 40201
-#define __no_tail_call	__attribute__((optimize("no-optimize-sibling-calls")))
-#else
-#define __no_tail_call
-#endif
-#endif
 #ifndef __packed
 #define __packed	__attribute__((packed))
 #endif