Re: [PATCH RFC 0/4] x86/fixmap: Unify FIXADDR_TOP

2023-06-10 Thread Thomas Gleixner
On Thu, Jun 08 2023 at 17:33, Hou Wenlong wrote: > On Wed, Jun 07, 2023 at 08:49:15PM +0800, Dave Hansen wrote: >> What problems does this patch set solve? How might that solution be >> visible to end users? Why is this problem important to you? > > We want to build the kernel as PIE and allow th

Re: [PATCH RFC 0/4] x86/fixmap: Unify FIXADDR_TOP

2023-06-07 Thread Thomas Gleixner
On Mon, May 15 2023 at 16:19, Hou Wenlong wrote: > This patchset unifies FIXADDR_TOP as a variable for x86, allowing the > fixmap area to be movable and relocated with the kernel image in the > x86/PIE patchset [0]. This enables the kernel image to be relocated in > the top 512G of the address spa

Re: [PATCH RFC 0/4] x86/fixmap: Unify FIXADDR_TOP

2023-06-07 Thread Dave Hansen
On 5/15/23 01:19, Hou Wenlong wrote: > This patchset unifies FIXADDR_TOP as a variable for x86, allowing the > fixmap area to be movable and relocated with the kernel image in the > x86/PIE patchset [0]. This enables the kernel image to be relocated in > the top 512G of the address space. What pro