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signal/sparc: si_trapno is only used with SIGILL ILL_ILLTRP

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While reviewing the signal handlers on sparc it became clear that
si_trapno is only set to a non-zero value when sending SIGILL with
si_code ILL_ILLTRP.

Add force_sig_fault_trapno and send SIGILL ILL_ILLTRP with it.

Remove the define of __ARCH_SI_TRAPNO and remove the always zero
si_trapno parameter from send_sig_fault and force_sig_fault.

v1: https://lkml.kernel.org/r/m1eeers7q7.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-7-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/87mtqnxx89.fsf_-_@disp2133
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2021-05-28 13:38:19 -05:00
parent 726e337b64
commit 2c9f7eaf08
11 changed files with 56 additions and 45 deletions
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3
arch/sparc/include/uapi/asm/siginfo.h
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@@ -8,9 +8,6 @@
#endif /* defined(__sparc__) && defined(__arch64__) */
#define __ARCH_SI_TRAPNO
#include <asm-generic/siginfo.h>