Re: powerpc/powernv: Fix corrupted PE allocation bitmap on releasing PE
From: Michael Ellerman <hidden>
Date: 2016-09-08 09:47:52
On Tue, 2016-06-09 at 04:17:18 UTC, Gavin Shan wrote:
In pnv_ioda_free_pe(), the PE object (including the associated PE
number) is cleared before resetting the corresponding bit in the
PE allocation bitmap. It means PE#0 is always released to the bitmap
wrongly.
This fixes above issue by caching the PE number before the PE object
is cleared.
Fixes: 1e9167726c41 ("powerpc/powernv: Use PE instead of number during setup and release"
Signed-off-by: Gavin Shan <redacted>Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/caa58f808834fca9a4443233fd I added: Cc: stable@vger.kernel.org # v4.7+ cheers