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Commit 95f9b3af authored by Michael Ellerman's avatar Michael Ellerman
Browse files

selftests/powerpc: Add a helper for checking if we're on ppc64le 



Some of our selftests have only been tested on ppc64le and crash or
behave weirdly on ppc64/ppc32. So add a helper for checking the UTS
machine.

Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 7cd129b4

tools/testing/selftests/powerpc/include/utils.h

+2 −0
Original line number Diff line number Diff line
@@ -48,6 +48,8 @@ static inline bool have_hwcap2(unsigned long ftr2) 
}

#endif



bool is_ppc64le(void);



/* Yes, this is evil */

#define FAIL_IF(x)						\

do {								\

tools/testing/selftests/powerpc/utils.c

+17 −0
Original line number Diff line number Diff line
@@ -11,8 +11,10 @@ 
#include <link.h>

#include <sched.h>

#include <stdio.h>

#include <string.h>

#include <sys/stat.h>

#include <sys/types.h>

#include <sys/utsname.h>

#include <unistd.h>



#include "utils.h"
@@ -104,3 +106,18 @@ int pick_online_cpu(void) 
	printf("No cpus in affinity mask?!\n");

	return -1;

}



bool is_ppc64le(void)

{

	struct utsname uts;

	int rc;



	errno = 0;

	rc = uname(&uts);

	if (rc) {

		perror("uname");

		return false;

	}



	return strcmp(uts.machine, "ppc64le") == 0;

}