From: Sohil Mehta <sohil.mehta@intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>, <x86@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Ard Biesheuvel <ardb@kernel.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
Josh Poimboeuf <jpoimboe@kernel.org>,
Xiongwei Song <xiongwei.song@windriver.com>,
Xin Li <xin3.li@intel.com>,
"Mike Rapoport (IBM)" <rppt@kernel.org>,
Brijesh Singh <brijesh.singh@amd.com>,
Michael Roth <michael.roth@amd.com>,
Tony Luck <tony.luck@intel.com>,
Alexey Kardashevskiy <aik@amd.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>, Ingo Molnar <mingo@kernel.org>,
"Pawan Gupta" <pawan.kumar.gupta@linux.intel.com>,
Daniel Sneddon <daniel.sneddon@linux.intel.com>,
Kai Huang <kai.huang@intel.com>,
"Sandipan Das" <sandipan.das@amd.com>,
Breno Leitao <leitao@debian.org>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Alexei Starovoitov <ast@kernel.org>, Hou Tao <houtao1@huawei.com>,
Juergen Gross <jgross@suse.com>,
Vegard Nossum <vegard.nossum@oracle.com>,
Kees Cook <kees@kernel.org>, Eric Biggers <ebiggers@google.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Luis Chamberlain <mcgrof@kernel.org>,
Yuntao Wang <ytcoode@gmail.com>,
"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Tejun Heo <tj@kernel.org>, Changbin Du <changbin.du@huawei.com>,
Huang Shijie <shijie@os.amperecomputing.com>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
Namhyung Kim <namhyung@kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-efi@vger.kernel.org>, <linux-mm@kvack.org>
Subject: Re: [PATCHv9 12/16] x86/traps: Generalize #GP address decode and hint code
Date: Tue, 8 Jul 2025 21:59:59 -0700 [thread overview]
Message-ID: <28173e1d-274e-4c37-9f2a-e3845bfd4d7b@intel.com> (raw)
In-Reply-To: <20250707080317.3791624-13-kirill.shutemov@linux.intel.com>
On 7/7/2025 1:03 AM, Kirill A. Shutemov wrote:
> In most cases, an access causing a LASS violation results in a general
> protection exception (#GP); for stack accesses (those due to
> stack-oriented instructions, as well as accesses that implicitly or
> explicitly use the SS segment register), a stack fault (#SS) is
> generated.
>
> Handlers for #GP and #SS will now share code to decode the exception
> address and retrieve the exception hint string.
>
> The helper, enum, and array should be renamed as they are no longer
> specific to #GP.
>
> No functional change intended.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> ---
> arch/x86/kernel/dumpstack.c | 6 ++--
> arch/x86/kernel/traps.c | 58 ++++++++++++++++++-------------------
> 2 files changed, 32 insertions(+), 32 deletions(-)
>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
next prev parent reply other threads:[~2025-07-09 5:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20250707080317.3791624-1-kirill.shutemov@linux.intel.com>
[not found] ` <20250707080317.3791624-5-kirill.shutemov@linux.intel.com>
2025-07-09 1:19 ` [PATCHv9 04/16] x86/cpu: Defer CR pinning setup until core initcall Sohil Mehta
2025-07-09 9:38 ` Kirill A. Shutemov
2025-07-09 17:00 ` Dave Hansen
2025-07-31 23:45 ` Sohil Mehta
2025-08-01 0:01 ` Dave Hansen
2025-08-01 4:43 ` Sohil Mehta
2025-08-01 14:22 ` Dave Hansen
2025-08-02 18:51 ` Kees Cook
2025-08-04 6:55 ` H. Peter Anvin
[not found] ` <20250707080317.3791624-6-kirill.shutemov@linux.intel.com>
2025-07-09 1:27 ` [PATCHv9 05/16] efi: Disable LASS around set_virtual_address_map() EFI call Sohil Mehta
[not found] ` <20250707080317.3791624-12-kirill.shutemov@linux.intel.com>
2025-07-09 2:40 ` [PATCHv9 11/16] x86/traps: Communicate a LASS violation in #GP message Sohil Mehta
2025-07-09 9:31 ` Kirill A. Shutemov
2025-07-09 9:36 ` Geert Uytterhoeven
2025-07-09 9:51 ` Kirill A. Shutemov
[not found] ` <20250707080317.3791624-13-kirill.shutemov@linux.intel.com>
2025-07-09 4:59 ` Sohil Mehta [this message]
[not found] ` <20250707080317.3791624-17-kirill.shutemov@linux.intel.com>
2025-07-09 5:31 ` [PATCHv9 16/16] x86: Re-enable Linear Address Masking Sohil Mehta
2025-07-09 11:00 ` Kirill A. Shutemov
2025-07-11 0:42 ` Sohil Mehta
[not found] ` <20250707080317.3791624-14-kirill.shutemov@linux.intel.com>
2025-07-09 5:12 ` [PATCHv9 13/16] x86/traps: Handle LASS thrown #SS Sohil Mehta
2025-07-09 10:38 ` Kirill A. Shutemov
2025-07-11 1:22 ` Sohil Mehta
2025-07-11 1:23 ` Sohil Mehta
[not found] ` <20250707080317.3791624-3-kirill.shutemov@linux.intel.com>
2025-07-09 1:08 ` [PATCHv9 02/16] x86/alternatives: Disable LASS when patching kernel alternatives Sohil Mehta
2025-07-09 9:35 ` Kirill A. Shutemov
2025-07-09 16:58 ` Dave Hansen
2025-07-25 2:35 ` Sohil Mehta
2025-07-28 19:11 ` David Laight
2025-07-28 19:28 ` H. Peter Anvin
2025-07-28 19:38 ` David Laight
2025-08-01 0:15 ` Sohil Mehta
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=28173e1d-274e-4c37-9f2a-e3845bfd4d7b@intel.com \
--to=sohil.mehta@intel.com \
--cc=acme@redhat.com \
--cc=aik@amd.com \
--cc=akpm@linux-foundation.org \
--cc=alexander.shishkin@linux.intel.com \
--cc=ardb@kernel.org \
--cc=ast@kernel.org \
--cc=bp@alien8.de \
--cc=brijesh.singh@amd.com \
--cc=changbin.du@huawei.com \
--cc=christophe.leroy@csgroup.eu \
--cc=corbet@lwn.net \
--cc=daniel.sneddon@linux.intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=ebiggers@google.com \
--cc=geert+renesas@glider.be \
--cc=houtao1@huawei.com \
--cc=hpa@zytor.com \
--cc=jgg@ziepe.ca \
--cc=jgross@suse.com \
--cc=jpoimboe@kernel.org \
--cc=kai.huang@intel.com \
--cc=kees@kernel.org \
--cc=kirill.shutemov@linux.intel.com \
--cc=leitao@debian.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@rasmusvillemoes.dk \
--cc=luto@kernel.org \
--cc=mcgrof@kernel.org \
--cc=mhiramat@kernel.org \
--cc=michael.roth@amd.com \
--cc=mingo@kernel.org \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=paulmck@kernel.org \
--cc=pawan.kumar.gupta@linux.intel.com \
--cc=peterz@infradead.org \
--cc=rick.p.edgecombe@intel.com \
--cc=rppt@kernel.org \
--cc=sandipan.das@amd.com \
--cc=shijie@os.amperecomputing.com \
--cc=tglx@linutronix.de \
--cc=tj@kernel.org \
--cc=tony.luck@intel.com \
--cc=vegard.nossum@oracle.com \
--cc=x86@kernel.org \
--cc=xin3.li@intel.com \
--cc=xiongwei.song@windriver.com \
--cc=ytcoode@gmail.com \
/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).