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selftests/x86/sigreturn: Do minor cleanups 

We have short names for the requested and resulting register values.
Use them instead of spelling out the whole register entry for each
case.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/bb3bc1f923a2f6fe7912d22a1068fe29d6033d38.1530076529.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
zero-colors
Andy Lutomirski 2018-06-26 22:17:18 -07:00 committed by Ingo Molnar
parent ec34802056
commit e8a445dea2
1 changed files with 7 additions and 6 deletions
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13
tools/testing/selftests/x86/sigreturn.c
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@ -610,6 +610,7 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
*/
for (int i = 0; i < NGREG; i++) {
greg_t req = requested_regs[i], res = resulting_regs[i];
if (i == REG_TRAPNO || i == REG_IP)
continue; /* don't care */
@ -673,18 +674,18 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss)
#endif
/* Sanity check on the kernel */
if (i == REG_CX && requested_regs[i] != resulting_regs[i]) {
if (i == REG_CX && req != res) {
printf("[FAIL]\tCX (saved SP) mismatch: requested 0x%llx; got 0x%llx\n",
(unsigned long long)requested_regs[i],
(unsigned long long)resulting_regs[i]);
(unsigned long long)req,
(unsigned long long)res);
nerrs++;
continue;
}
if (requested_regs[i] != resulting_regs[i] && !ignore_reg) {
if (req != res && !ignore_reg) {
printf("[FAIL]\tReg %d mismatch: requested 0x%llx; got 0x%llx\n",
i, (unsigned long long)requested_regs[i],
(unsigned long long)resulting_regs[i]);
i, (unsigned long long)req,
(unsigned long long)res);
nerrs++;
}
}