On Thu, Feb 4, 2021 at 10:19 AM Mike Rapoport <rppt@xxxxxxxxxxxxx> wrote: > > On Mon, Jan 25, 2021 at 12:49:39PM -0800, Linus Torvalds wrote: > > > > Mike: should we perhaps revert the first patch too (commit > > bde9cfa3afe4: "x86/setup: don't remove E820_TYPE_RAM for pfn 0")? > > Unfortunately, I was too optimistic and didn't take into account that this > commit changes the way /dev/mem sees the first page of memory. > > There were reports of slackware users about issues with lilo after upgrade > from 5.10.11 to 5.10.12 Ok, applied to mainline. Greg & stable people - this is now commit 5c279c4cf206 ("Revert "x86/setup: don't remove E820_TYPE_RAM for pfn 0"") in my tree. Although maybe you just want to revert the commit in stable, rather than take it from upstream? Same difference. Linus