Author: kib Date: Wed Apr 1 16:02:42 2020 New Revision: 359518 URL: https://svnweb.freebsd.org/changeset/base/359518
Log: MFC r359093: Do not spuriously re-enable disabled io_apic pin on EOI for some configurations. Modified: stable/11/sys/x86/x86/io_apic.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/x86/x86/io_apic.c ============================================================================== --- stable/11/sys/x86/x86/io_apic.c Wed Apr 1 16:01:03 2020 (r359517) +++ stable/11/sys/x86/x86/io_apic.c Wed Apr 1 16:02:42 2020 (r359518) @@ -191,8 +191,11 @@ _ioapic_eoi_source(struct intsrc *isrc, int locked) low1 |= IOART_TRGREDG | IOART_INTMSET; ioapic_write(io->io_addr, IOAPIC_REDTBL_LO(src->io_intpin), low1); + low1 = src->io_lowreg; + if (src->io_masked != 0) + low1 |= IOART_INTMSET; ioapic_write(io->io_addr, IOAPIC_REDTBL_LO(src->io_intpin), - src->io_lowreg); + low1); if (!locked) mtx_unlock_spin(&icu_lock); } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"