Date: Thu, 16 Aug 2018 07:13:36 +0000 (UTC) From: Toomas Soome <tsoome@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r337891 - head/stand/i386/libi386 Message-ID: <201808160713.w7G7DaPs090214@repo.freebsd.org>
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Author: tsoome Date: Thu Aug 16 07:13:36 2018 New Revision: 337891 URL: https://svnweb.freebsd.org/changeset/base/337891 Log: libi386: bd_io_workaround() is to be called for reads only bd_io() can perform either reads or writes, we only need bd_io_workaround() for reads. Modified: head/stand/i386/libi386/biosdisk.c Modified: head/stand/i386/libi386/biosdisk.c ============================================================================== --- head/stand/i386/libi386/biosdisk.c Thu Aug 16 06:50:53 2018 (r337890) +++ head/stand/i386/libi386/biosdisk.c Thu Aug 16 07:13:36 2018 (r337891) @@ -601,7 +601,7 @@ bd_io_workaround(struct disk_devdesc *dev) { uint8_t buf[8 * 1024]; - bd_edd_io(dev, 0xffffffff, 1, (caddr_t)buf, 0); + bd_edd_io(dev, 0xffffffff, 1, (caddr_t)buf, BD_RD); } @@ -628,7 +628,7 @@ bd_io(struct disk_devdesc *dev, daddr_t dblk, int blks * the buggy read. It is not immediately known whether other models * are similarly affected. */ - if (dblk >= 0x100000000) + if (dowrite == BD_RD && dblk >= 0x100000000) bd_io_workaround(dev); /* Decide whether we have to bounce */
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