https://bugzilla.kernel.org/show_bug.cgi?id=215217
Bug ID: 215217
Summary: Kernel fails to boot at an early stage when built with
GCC_PLUGIN_LATENT_ENTROPY=y (PowerMac G4 3,6)
Product: Platform Specific/Hardware
Version: 2.5
Kern
On Saturday 04 Dec 2021 à 10:01:07 (+), Christophe Leroy wrote:
> In fact BAT4 is wrong. Both virtual and physical address of a 64M BAT
> must be 64M aligned. I think the display is wrong as well (You took it
oh so hardware does simple bitmask after all
I got fooled by the lack of guard i
On Fri, 2021-12-03 at 12:49 +, Christophe Leroy wrote:
Hello,
> I need to think a bit more about it to find the cleanest solution
> that works for all platforms.
Maybe related, when enabling KASAN on that same platform, it oopses early.
I have picked the patch "powerpc/32s: Fix shift-out-
Le 04/12/2021 à 15:10, Maxime Bizon a écrit :
>
> On Saturday 04 Dec 2021 à 10:01:07 (+), Christophe Leroy wrote:
>
>> In fact BAT4 is wrong. Both virtual and physical address of a 64M BAT
>> must be 64M aligned. I think the display is wrong as well (You took it
>
> oh so hardware does sim
Hi Christophe,
On 11/27/21 7:18 AM, Christophe JAILLET wrote:
> No concurrent access is possible when a bitmap is local to a function.
> So prefer the non-atomic functions to save a few cycles.
>- replace a 'for' loop by an equivalent non-atomic 'bitmap_fill()' call
>- use '__set_bit()'
>
Le 03/12/2021 à 19:43, Maxime Bizon a écrit :
>
> On Fri, 2021-12-03 at 12:49 +, Christophe Leroy wrote:
>
> Hello,
>
>> I need to think a bit more about it to find the cleanest solution
>> that works for all platforms.
>
> Maybe related, when enabling KASAN on that same platform, it oops