diff options
| author | David S. Miller <davem@davemloft.net> | 2021-03-25 16:30:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-25 16:30:46 -0700 |
| commit | 241949e488f38a192f2359dbb21d80e08173eb60 (patch) | |
| tree | 5a8975683f2ccadfbba7ebeb55db482e605581bb /tools/lib/bpf/libbpf_util.h | |
| parent | efd13b71a3fa31413f8d15342e01d44b60b0a432 (diff) | |
| parent | e2c69f3a5b4edfbcade2c38862c1839fc371c5d5 (diff) | |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:
====================
pull-request: bpf-next 2021-03-24
The following pull-request contains BPF updates for your *net-next* tree.
We've added 37 non-merge commits during the last 15 day(s) which contain
a total of 65 files changed, 3200 insertions(+), 738 deletions(-).
The main changes are:
1) Static linking of multiple BPF ELF files, from Andrii.
2) Move drop error path to devmap for XDP_REDIRECT, from Lorenzo.
3) Spelling fixes from various folks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/lib/bpf/libbpf_util.h')
| -rw-r--r-- | tools/lib/bpf/libbpf_util.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/tools/lib/bpf/libbpf_util.h b/tools/lib/bpf/libbpf_util.h deleted file mode 100644 index cfbcfc063c81..000000000000 --- a/tools/lib/bpf/libbpf_util.h +++ /dev/null @@ -1,75 +0,0 @@ -/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ -/* Copyright (c) 2019 Facebook */ - -#ifndef __LIBBPF_LIBBPF_UTIL_H -#define __LIBBPF_LIBBPF_UTIL_H - -#include <stdbool.h> -#include <linux/compiler.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/* Use these barrier functions instead of smp_[rw]mb() when they are - * used in a libbpf header file. That way they can be built into the - * application that uses libbpf. - */ -#if defined(__i386__) || defined(__x86_64__) -# define libbpf_smp_store_release(p, v) \ - do { \ - asm volatile("" : : : "memory"); \ - WRITE_ONCE(*p, v); \ - } while (0) -# define libbpf_smp_load_acquire(p) \ - ({ \ - typeof(*p) ___p1 = READ_ONCE(*p); \ - asm volatile("" : : : "memory"); \ - ___p1; \ - }) -#elif defined(__aarch64__) -# define libbpf_smp_store_release(p, v) \ - asm volatile ("stlr %w1, %0" : "=Q" (*p) : "r" (v) : "memory") -# define libbpf_smp_load_acquire(p) \ - ({ \ - typeof(*p) ___p1; \ - asm volatile ("ldar %w0, %1" \ - : "=r" (___p1) : "Q" (*p) : "memory"); \ - ___p1; \ - }) -#elif defined(__riscv) -# define libbpf_smp_store_release(p, v) \ - do { \ - asm volatile ("fence rw,w" : : : "memory"); \ - WRITE_ONCE(*p, v); \ - } while (0) -# define libbpf_smp_load_acquire(p) \ - ({ \ - typeof(*p) ___p1 = READ_ONCE(*p); \ - asm volatile ("fence r,rw" : : : "memory"); \ - ___p1; \ - }) -#endif - -#ifndef libbpf_smp_store_release -#define libbpf_smp_store_release(p, v) \ - do { \ - __sync_synchronize(); \ - WRITE_ONCE(*p, v); \ - } while (0) -#endif - -#ifndef libbpf_smp_load_acquire -#define libbpf_smp_load_acquire(p) \ - ({ \ - typeof(*p) ___p1 = READ_ONCE(*p); \ - __sync_synchronize(); \ - ___p1; \ - }) -#endif - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif |