> -----Original Message----- > From: Andy Lutomirski [mailto:luto@xxxxxxxxxxxxxx] > Sent: Monday, November 03, 2014 5:01 PM > To: Thomas Gleixner > Cc: Kani, Toshimitsu; Elliott, Robert (Server Storage); hpa@xxxxxxxxx; > mingo@xxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx; arnd@xxxxxxxx; linux- > mm@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; jgross@xxxxxxxx; > stefan.bader@xxxxxxxxxxxxx; hmh@xxxxxxxxxx; yigal@xxxxxxxxxxxxx; > konrad.wilk@xxxxxxxxxx > Subject: Re: [PATCH v4 4/7] x86, mm, pat: Add pgprot_writethrough() for > WT > > On Mon, Nov 3, 2014 at 2:53 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> > wrote: ... > On the other hand, I thought that _GPL was supposed to be more about > whether the thing using it is inherently a derived work of the Linux > kernel. Since WT is an Intel concept, not a Linux concept, then I > think that this is a hard argument to make. IBM System/360 Model 85 (1968) had write-through (i.e., store-through) caching. Intel might claim Write Combining, though. ��.n������g��� �a��� �&ޖ)���)��h���&������梷���� �Ǟ�m������)������^�����������v���O��zf������