53 lines
1.7 KiB
Diff
53 lines
1.7 KiB
Diff
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From 165b597e3003c6870f5980e8902014d9344e6cf3 Mon Sep 17 00:00:00 2001
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From: Peter Xu <peterx@redhat.com>
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Date: Thu, 1 Oct 2020 14:47:26 -0400
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Subject: [PATCH] rt-tests: oslat: Allow build for not supported archs
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Now rt-tests won't build for archs other than x86/i386/ppc64 after oslat is
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merged. Instead of failing the build, let's make it pass. However, whenever
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oslat is executed, instead of running the real program, dump an error message,
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so that people can try to implement the frc() function for it when there's a
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real need for the new arch.
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Signed-off-by: Peter Xu <peterx@redhat.com>
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Signed-off-by: John Kacur <jkacur@redhat.com>
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[Taken from:
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https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git/commit/src/oslat/oslat.c?h=unstable/devel/latest&id=165b597e3003c6870f5980e8902014d9344e6cf3]
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Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
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---
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src/oslat/oslat.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/src/oslat/oslat.c b/src/oslat/oslat.c
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index f1a82f2..a8b6155 100644
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--- a/src/oslat/oslat.c
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+++ b/src/oslat/oslat.c
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@@ -69,7 +69,9 @@ static inline void frc(uint64_t *pval)
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__asm__ __volatile__("mfspr %0, 268\n" : "=r" (*pval));
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}
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# else
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-# error Need frc() for this platform.
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+# define relax() do { } while (0)
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+# define frc(x)
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+# define FRC_MISSING
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# endif
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#else
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# error Need to add support for this compiler.
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@@ -810,6 +812,12 @@ int main(int argc, char *argv[])
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int i, n_cores;
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cpu_set_t cpu_set;
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+#ifdef FRC_MISSING
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+ printf("This architecture is not yet supported. "
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+ "Please implement frc() function first for %s.\n", argv[0]);
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+ return 0;
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+#endif
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+
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CPU_ZERO(&cpu_set);
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g.app_name = argv[0];
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--
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2.20.1
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