Date: Tue, 27 Oct 2020 15:18:10 +0000 (UTC) From: Ruslan Bukin <br@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r367084 - head/sys/arm64/arm64 Message-ID: <202010271518.09RFIAaO024155@repo.freebsd.org>
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Author: br Date: Tue Oct 27 15:18:10 2020 New Revision: 367084 URL: https://svnweb.freebsd.org/changeset/base/367084 Log: Take the ITS device lock around gicv3_its_release_irqsrc() since that function checks that the mutex lock is owned. This fixes 'devctl disable re0' operation. Sponsored by: Innovate DSbD Differential Revision: https://reviews.freebsd.org/D26904 Modified: head/sys/arm64/arm64/gicv3_its.c Modified: head/sys/arm64/arm64/gicv3_its.c ============================================================================== --- head/sys/arm64/arm64/gicv3_its.c Tue Oct 27 15:10:50 2020 (r367083) +++ head/sys/arm64/arm64/gicv3_its.c Tue Oct 27 15:18:10 2020 (r367084) @@ -1418,7 +1418,9 @@ gicv3_its_release_msix(device_t dev, device_t child, s sc = device_get_softc(dev); girq = (struct gicv3_its_irqsrc *)isrc; + mtx_lock_spin(&sc->sc_its_dev_lock); gicv3_its_release_irqsrc(sc, girq); + mtx_unlock_spin(&sc->sc_its_dev_lock); its_dev->lpis.lpi_busy--; if (its_dev->lpis.lpi_busy == 0)
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