From: Michael Ellerman <mpe@ellerman.id.au>
To: Christophe Leroy <christophe.leroy@c-s.fr>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
aneesh.kumar@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 11/17] powerpc/nohash32: set GUARDED attribute in the PMD directly
Date: Fri, 11 May 2018 16:45:52 +1000 [thread overview]
Message-ID: <87vabur8pr.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <4e87c5bd5ffe886ca202a58e5c93358bd6a34dce.1525435203.git.christophe.leroy@c-s.fr>
Christophe Leroy <christophe.leroy@c-s.fr> writes:
> diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c
> index 59be5dfcb3e9..b8c347077e02 100644
> --- a/arch/powerpc/mm/ioremap.c
> +++ b/arch/powerpc/mm/ioremap.c
> @@ -132,9 +132,14 @@ void __iomem * __ioremap_caller(phys_addr_t addr, unsigned long size,
> if (slab_is_available()) {
> struct vm_struct *area;
>
> - area = __get_vm_area_caller(size, VM_IOREMAP,
> - ioremap_bot, IOREMAP_END,
> - caller);
> + if (flags & _PAGE_GUARDED)
On 64-bit configs:
arch/powerpc/mm/ioremap.c:135:15: error: '_PAGE_GUARDED' undeclared (first use in this function)
cheers
next prev parent reply other threads:[~2018-05-11 6:45 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-04 12:33 [PATCH 00/17] Implement use of HW assistance on TLB table walk on 8xx Christophe Leroy
2018-05-04 12:33 ` [PATCH 01/17] powerpc/nohash: remove hash related code from nohash headers Christophe Leroy
2018-05-08 8:25 ` Aneesh Kumar K.V
2018-05-04 12:33 ` [PATCH 02/17] powerpc/nohash: remove _PAGE_BUSY Christophe Leroy
2018-05-08 8:26 ` Aneesh Kumar K.V
2018-05-04 12:33 ` [PATCH 03/17] powerpc/nohash: use IS_ENABLED() to simplify __set_pte_at() Christophe Leroy
2018-05-04 12:33 ` [PATCH 04/17] Revert "powerpc/8xx: Use L1 entry APG to handle _PAGE_ACCESSED for CONFIG_SWAP" Christophe Leroy
2018-05-04 12:34 ` [PATCH 05/17] powerpc: move io mapping functions into ioremap.c Christophe Leroy
2018-05-11 6:01 ` Michael Ellerman
2018-05-16 10:13 ` Christophe LEROY
2018-05-04 12:34 ` [PATCH 06/17] powerpc: common ioremap functions Christophe Leroy
2018-05-04 12:34 ` [PATCH 07/17] powerpc: make ioremap_bot common to PPC32 and PPC64 Christophe Leroy
2018-05-04 12:34 ` [PATCH 08/17] powerpc: make __iounmap() " Christophe Leroy
2018-05-04 12:34 ` [PATCH 09/17] powerpc: make __ioremap_caller() " Christophe Leroy
2018-05-08 9:56 ` Aneesh Kumar K.V
2018-05-16 9:58 ` Christophe LEROY
2018-05-04 12:34 ` [PATCH 10/17] powerpc: use _ALIGN macro Christophe Leroy
2018-05-04 12:34 ` [PATCH 11/17] powerpc/nohash32: set GUARDED attribute in the PMD directly Christophe Leroy
2018-05-11 6:45 ` Michael Ellerman [this message]
2018-05-04 12:34 ` [PATCH 12/17] powerpc/8xx: Remove PTE_ATOMIC_UPDATES Christophe Leroy
2018-05-04 13:16 ` Joakim Tjernlund
2018-05-04 12:34 ` [PATCH 13/17] powerpc/mm: Use hardware assistance in TLB handlers on the 8xx Christophe Leroy
2018-05-04 12:34 ` [PATCH 14/17] powerpc/8xx: reunify TLB handler routines Christophe Leroy
2018-05-04 12:34 ` [PATCH 15/17] powerpc/8xx: Free up SPRN_SPRG_SCRATCH2 Christophe Leroy
2018-05-04 12:34 ` [PATCH 16/17] powerpc/mm: Make pte_fragment_alloc() common to PPC32 and PPC64 Christophe Leroy
2018-05-04 12:34 ` [PATCH BAD 17/17] powerpc/mm: Use pte_fragment_alloc() on 8xx Christophe Leroy
2018-05-11 6:48 ` [PATCH 00/17] Implement use of HW assistance on TLB table walk " Michael Ellerman
2018-05-16 10:17 ` Christophe LEROY
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87vabur8pr.fsf@concordia.ellerman.id.au \
--to=mpe@ellerman.id.au \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=christophe.leroy@c-s.fr \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).