Date: Sun, 16 Mar 2014 21:57:05 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r263253 - head/sys/ia64/ia64 Message-ID: <201403162157.s2GLv5N4085763@svn.freebsd.org>
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Author: marcel Date: Sun Mar 16 21:57:05 2014 New Revision: 263253 URL: http://svnweb.freebsd.org/changeset/base/263253 Log: Don't use the ITC as the faulting address for external interrupts. We only use it for tracing and the KTR infrastructure will use ITC for the time-stamp. Modified: head/sys/ia64/ia64/exception.S head/sys/ia64/ia64/interrupt.c Modified: head/sys/ia64/ia64/exception.S ============================================================================== --- head/sys/ia64/ia64/exception.S Sun Mar 16 21:05:00 2014 (r263252) +++ head/sys/ia64/ia64/exception.S Sun Mar 16 21:57:05 2014 (r263253) @@ -1388,7 +1388,7 @@ IVT_END(Break_Instruction) IVT_ENTRY(External_Interrupt, 0x3000) { .mib - mov r17=ar.itc // Put the ITC in the trapframe. + mov r17=0 mov r16=ip br.sptk exception_save ;; Modified: head/sys/ia64/ia64/interrupt.c ============================================================================== --- head/sys/ia64/ia64/interrupt.c Sun Mar 16 21:05:00 2014 (r263252) +++ head/sys/ia64/ia64/interrupt.c Sun Mar 16 21:57:05 2014 (r263253) @@ -316,8 +316,8 @@ ia64_handle_intr(struct trapframe *tf) critical_enter(); do { - CTR2(KTR_INTR, "INTR: ITC=%u, XIV=%u", - (u_int)tf->tf_special.ifa, xiv); + CTR3(KTR_INTR, "INTR: XIV=%u, #%u: frame=%p", xiv, + PCPU_GET(cnt.v_intr), tf); if (!(ia64_handler[xiv])(td, xiv, tf)) { ia64_set_eoi(0); ia64_srlz_d();
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