All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tom Lendacky <thomas.lendacky@amd.com>
To: Arvind Sankar <nivedita@alum.mit.edu>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
	Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH] x86/mm/sme: Fix definition of PMD_FLAGS_DEC_WP
Date: Mon, 9 Nov 2020 14:41:48 -0600	[thread overview]
Message-ID: <fd85ff4f-150f-958a-231a-a95848cd9af4@amd.com> (raw)
In-Reply-To: <20201109173543.551282-1-nivedita@alum.mit.edu>

On 11/9/20 11:35 AM, Arvind Sankar wrote:
> The PAT bit is in different locations for 4k and 2M/1G page table
> entries.
> 
> Add a definition for _PAGE_LARGE_CACHE_MASK to represent the three
> caching bits (PWT, PCD, PAT), similar to _PAGE_CACHE_MASK for 4k pages,
> and use it in the definition of PMD_FLAGS_DEC_WP to get the correct PAT
> index for write-protected pages.
> 
> Remove a duplication definition of _PAGE_PAT_LARGE.
> 
> Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>

Fixes: tag?

Tested-by: Tom Lendacky <thomas.lendacky@amd.com>

> ---
>  arch/x86/include/asm/pgtable_types.h | 3 +--
>  arch/x86/mm/mem_encrypt_identity.c   | 4 ++--
>  2 files changed, 3 insertions(+), 4 deletions(-)
> 

  reply	other threads:[~2020-11-09 20:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-08 16:37 Definition of PMD_FLAGS_DEC_WP in arch/x86/mm/mem_encrypt_identity.c Arvind Sankar
2020-11-09 14:28 ` Tom Lendacky
2020-11-09 17:35   ` [PATCH] x86/mm/sme: Fix definition of PMD_FLAGS_DEC_WP Arvind Sankar
2020-11-09 20:41     ` Tom Lendacky [this message]
2020-11-09 21:42       ` Arvind Sankar
2020-11-10 23:31         ` Tom Lendacky
2020-11-11 16:09           ` [PATCH 1/2] " Arvind Sankar
2020-11-11 16:09             ` [PATCH 2/2] x86/mm: Remove duplicate definition of _PAGE_PAT_LARGE Arvind Sankar
2021-01-05 21:28               ` Arvind Sankar
2021-01-05 22:17                 ` Dave Hansen
2021-01-08 21:12               ` [tip: x86/cleanups] " tip-bot2 for Arvind Sankar
2020-12-10 11:44             ` [tip: x86/urgent] x86/mm/mem_encrypt: Fix definition of PMD_FLAGS_DEC_WP tip-bot2 for Arvind Sankar

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=fd85ff4f-150f-958a-231a-a95848cd9af4@amd.com \
    --to=thomas.lendacky@amd.com \
    --cc=bp@alien8.de \
    --cc=dave.hansen@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=nivedita@alum.mit.edu \
    --cc=peterz@infradead.org \
    --cc=x86@kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.