Re: [PATCH] raspberrypi: reserve first two pages in efi memory map

2020-02-26 Thread Kyle Evans
On Wed, Feb 26, 2020 at 12:26 PM Kyle Evans wrote: > > On Wed, Feb 26, 2020 at 12:06 PM Matthias Brugger wrote: > > > > > > > > On 26/02/2020 15:03, kev...@freebsd.org wrote: > > > From: Kyle Evans > > > > > > The psci stub provided by Raspberry Pi is around 5k in size, thus residing > > > in th

Re: [PATCH] raspberrypi: reserve first two pages in efi memory map

2020-02-26 Thread Kyle Evans
On Wed, Feb 26, 2020 at 12:06 PM Matthias Brugger wrote: > > > > On 26/02/2020 15:03, kev...@freebsd.org wrote: > > From: Kyle Evans > > > > The psci stub provided by Raspberry Pi is around 5k in size, thus residing > > in the first two pages of memory. Without this reservation, the next stage >

Re: [PATCH] raspberrypi: reserve first two pages in efi memory map

2020-02-26 Thread Matthias Brugger
On 26/02/2020 15:03, kev...@freebsd.org wrote: > From: Kyle Evans > > The psci stub provided by Raspberry Pi is around 5k in size, thus residing > in the first two pages of memory. Without this reservation, the next stage > or OS assume they're free to use the second page and may get catastrop

[PATCH] raspberrypi: reserve first two pages in efi memory map

2020-02-26 Thread kevans
From: Kyle Evans The psci stub provided by Raspberry Pi is around 5k in size, thus residing in the first two pages of memory. Without this reservation, the next stage or OS assume they're free to use the second page and may get catastrophic results from clobbering it. Signed-off-by: Kyle Evans