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Date: Wed, 3 Jul 2019 15:27:11 +0200 From: Ilya Leoshkevich <iii@...ux.ibm.com> To: bpf@...r.kernel.org, netdev@...r.kernel.org, ys114321@...il.com, daniel@...earbox.net Cc: Ilya Leoshkevich <iii@...ux.ibm.com> Subject: [PATCH v2 bpf-next 4/4] selftests/bpf: fix compiling loop{1,2,3}.c on s390 Use PT_REGS_RC(ctx) instead of ctx->rax, which is not present on s390. Signed-off-by: Ilya Leoshkevich <iii@...ux.ibm.com> --- tools/testing/selftests/bpf/progs/loop1.c | 2 +- tools/testing/selftests/bpf/progs/loop2.c | 2 +- tools/testing/selftests/bpf/progs/loop3.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/loop1.c b/tools/testing/selftests/bpf/progs/loop1.c index dea395af9ea9..7cdb7f878310 100644 --- a/tools/testing/selftests/bpf/progs/loop1.c +++ b/tools/testing/selftests/bpf/progs/loop1.c @@ -18,7 +18,7 @@ int nested_loops(volatile struct pt_regs* ctx) for (j = 0; j < 300; j++) for (i = 0; i < j; i++) { if (j & 1) - m = ctx->rax; + m = PT_REGS_RC(ctx); else m = j; sum += i * m; diff --git a/tools/testing/selftests/bpf/progs/loop2.c b/tools/testing/selftests/bpf/progs/loop2.c index 0637bd8e8bcf..9b2f808a2863 100644 --- a/tools/testing/selftests/bpf/progs/loop2.c +++ b/tools/testing/selftests/bpf/progs/loop2.c @@ -16,7 +16,7 @@ int while_true(volatile struct pt_regs* ctx) int i = 0; while (true) { - if (ctx->rax & 1) + if (PT_REGS_RC(ctx) & 1) i += 3; else i += 7; diff --git a/tools/testing/selftests/bpf/progs/loop3.c b/tools/testing/selftests/bpf/progs/loop3.c index 30a0f6cba080..d727657d51e2 100644 --- a/tools/testing/selftests/bpf/progs/loop3.c +++ b/tools/testing/selftests/bpf/progs/loop3.c @@ -16,7 +16,7 @@ int while_true(volatile struct pt_regs* ctx) __u64 i = 0, sum = 0; do { i++; - sum += ctx->rax; + sum += PT_REGS_RC(ctx); } while (i < 0x100000000ULL); return sum; } -- 2.21.0
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