From: Will Deacon <will.deacon@arm.com>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrey Konovalov <andreyknvl@google.com>,
Steve Capper <steve.capper@arm.com>
Subject: Re: linux-next: manual merge of the akpm-current tree with the arm64 tree
Date: Tue, 11 Dec 2018 10:39:53 +0000 [thread overview]
Message-ID: <20181211103953.GC12006@edgewater-inn.cambridge.arm.com> (raw)
In-Reply-To: <20181211171230.7847fd48@canb.auug.org.au>
On Tue, Dec 11, 2018 at 05:12:30PM +1100, Stephen Rothwell wrote:
> On Tue, 11 Dec 2018 17:11:02 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > Today's linux-next merge of the akpm-current tree got a conflict in:
> >
> > arch/arm64/mm/proc.S
> >
> > between commits:
> >
> > 67e7fdfcc682 ("arm64: mm: introduce 52-bit userspace support")
> > 68d23da4373a ("rm64: Kconfig: Re-jig CONFIG options for 52-bit VA")
> >
> > from the arm64 tree and commit:
> >
> > 089dc516f651 ("kasan, arm64: enable top byte ignore for the kernel")
> >
> > from the akpm-current tree.
> >
> > I fixed it up (see below) and can carry the fix as necessary. This
> > is now fixed as far as linux-next is concerned, but any non trivial
> > conflicts should be mentioned to your upstream maintainer when your tree
> > is submitted for merging. You may also want to consider cooperating
> > with the maintainer of the conflicting tree to minimise any particularly
> > complex conflicts.
> >
> > --
> > Cheers,
> > Stephen Rothwell
> >
> > diff --cc arch/arm64/mm/proc.S
> > index e05b3ce1db6b,d861f208eeb1..73886a5f1f30
> > --- a/arch/arm64/mm/proc.S
> > +++ b/arch/arm64/mm/proc.S
> > @@@ -449,16 -451,8 +455,16 @@@ ENTRY(__cpu_setup
> > */
> > ldr x10, =TCR_TxSZ(VA_BITS) | TCR_CACHE_FLAGS | TCR_SMP_FLAGS | \
> > TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \
> > - TCR_TBI0 | TCR_A1
> > + TCR_TBI0 | TCR_A1 | TCR_KASAN_FLAGS
> > - tcr_set_idmap_t0sz x10, x9
> > +
> > +#ifdef CONFIG_ARM64_USER_VA_BITS_52
> > + ldr_l x9, vabits_user
> > + sub x9, xzr, x9
> > + add x9, x9, #64
> > +#else
> > + ldr_l x9, idmap_t0sz
> > +#endif
> > + tcr_set_t0sz x10, x9
> >
> > /*
> > * Set the IPS bits in TCR_EL1.
This looks good to me. Thanks, Stephen.
Will
next prev parent reply other threads:[~2018-12-11 10:39 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 6:11 linux-next: manual merge of the akpm-current tree with the FIXME tree Stephen Rothwell
2018-12-11 6:12 ` linux-next: manual merge of the akpm-current tree with the arm64 tree Stephen Rothwell
2018-12-11 10:39 ` Will Deacon [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-10-08 6:04 Stephen Rothwell
2021-10-08 7:37 ` Will Deacon
2021-04-13 8:59 Stephen Rothwell
2021-04-13 9:14 ` Catalin Marinas
2020-12-03 8:06 Stephen Rothwell
2020-12-03 11:16 ` Catalin Marinas
2020-09-21 8:03 Stephen Rothwell
2020-09-21 8:12 ` Catalin Marinas
2020-10-13 7:34 ` Stephen Rothwell
2020-07-16 8:00 Stephen Rothwell
2020-07-16 8:23 ` Will Deacon
2020-04-30 6:26 Stephen Rothwell
2020-04-29 6:53 Stephen Rothwell
2019-08-07 6:39 Stephen Rothwell
2018-12-13 6:01 Stephen Rothwell
2018-12-13 11:12 ` Will Deacon
2018-12-11 6:02 Stephen Rothwell
2018-09-24 4:38 Stephen Rothwell
2018-09-24 9:32 ` Catalin Marinas
2018-07-27 10:55 Stephen Rothwell
2018-08-16 0:11 ` Stephen Rothwell
2017-11-06 5:33 Stephen Rothwell
2016-09-27 6:03 Stephen Rothwell
2016-06-22 4:54 Stephen Rothwell
2015-12-16 5:01 Stephen Rothwell
2015-12-16 10:14 ` Will Deacon
2014-09-23 7:23 Stephen Rothwell
2014-09-23 8:36 ` Catalin Marinas
2014-07-24 8:42 Stephen Rothwell
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