Messages in this thread | | | Date | Mon, 20 Aug 2018 15:18:06 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH] x86/xen: enable early use of set_fixmap in 32-bit Xen PV guest |
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On Fri, 17 Aug 2018, Juergen Gross wrote:
> Commit 7b25b9cb0dad83 ("x86/xen/time: Initialize pv xen time in > init_hypervisor_platform()") moved the mapping of the shared info area > before pagetable_init(). This breaks booting as 32-bit PV guest as the > use of set_fixmap isn't possible at this time on 32-bit. > > This can be worked around by populating the needed PMD on 32-bit > kernel earlier. > > In order not to reimplement populate_extra_pte() using extend_brk() > for allocating new page tables extend alloc_low_pages() to do that in > case the early page table pool is not yet available. > > Fixes: 7b25b9cb0dad83
^^^ That's missing the subject text
Other than that:
Reviewd-by: Thomas Gleixner <tglx@linutronix.de>
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