Messages in this thread | | | Subject | Re: [PATCH v5 17/17] powerpc/32s: Enable CONFIG_VMAP_STACK | From | Guenter Roeck <> | Date | Fri, 7 Feb 2020 05:08:11 -0800 |
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On 2/7/20 12:28 AM, Christophe Leroy wrote: > > > On 02/07/2020 06:13 AM, Christophe Leroy wrote: >> >> >> Le 06/02/2020 à 21:31, Guenter Roeck a écrit : >>> On Sat, Dec 21, 2019 at 08:32:38AM +0000, Christophe Leroy wrote: >>>> A few changes to retrieve DAR and DSISR from struct regs >>>> instead of retrieving them directly, as they may have >>>> changed due to a TLB miss. >>>> >>>> Also modifies hash_page() and friends to work with virtual >>>> data addresses instead of physical ones. Same on load_up_fpu() >>>> and load_up_altivec(). >>>> >>>> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> >>> >>> This patch results in qemu boot failures (mac99 with pmac32_defconfig). >>> Images fail silently; there is no console output. Reverting the patch >>> fixes the problem. Bisect log is attached below. >>> >>> Assuming this was tested on real hardware, am I correct to assume that qemu >>> for ppc32 (more specifically, qemu's mac99 and g3beige machines) no longer >>> works with the upstream kernel ? >> >> Before submitting the series, I successfully tested: >> - Real HW with powerpc 8xx >> - Real HW with powerpc 832x >> - Qemu's mac99 >> >> I'll re-check the upstream kernel. >> > > This is still working for me with the upstream kernel: >
Interesting. What is your kernel configuration, your qemu version, and your qemu command line ?
It works for me with CONFIG_VMAP_STACK=n, but not with pmac32_defconfig.
Thanks, Guenter
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