From: Arvind Sankar <nivedita@alum.mit.edu>
To: Nick Terrell <nickrterrell@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, Chris Mason <clm@fb.com>,
linux-kbuild@vger.kernel.org, x86@kernel.org,
gregkh@linuxfoundation.org, Petr Malat <oss@malat.biz>,
Kees Cook <keescook@chromium.org>,
Kernel Team <Kernel-team@fb.com>,
Adam Borowski <kilobyte@angband.pl>,
Patrick Williams <patrickw3@fb.com>,
rmikey@fb.com, mingo@kernel.org,
Patrick Williams <patrick@stwcx.xyz>,
Sedat Dilek <sedat.dilek@gmail.com>,
Norbert Lange <nolange79@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Nick Terrell <terrelln@fb.com>
Subject: Re: [PATCH v6 2/8] lib: prepare xxhash for preboot environment
Date: Tue, 7 Jul 2020 17:59:25 -0400 [thread overview]
Message-ID: <20200707215925.GA1591079@rani.riverdale.lan> (raw)
In-Reply-To: <20200707034604.1539157-3-nickrterrell@gmail.com>
On Mon, Jul 06, 2020 at 08:45:58PM -0700, Nick Terrell wrote:
> From: Nick Terrell <terrelln@fb.com>
>
> Don't export symbols if XXH_PREBOOT is defined.
>
> This change is necessary to get xxhash to work in a preboot environment,
> which is needed to support zstd-compressed kernels.
The usual way to do it is by adding -D__DISABLE_EXPORTS to the CFLAGS, which will
cause EXPORT_SYMBOL to be stubbed out. Doesn't that work here?
next prev parent reply other threads:[~2020-07-07 21:59 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-07 3:45 [GIT PULL][PATCH v6 0/8] Add support for ZSTD-compressed kernel and initramfs Nick Terrell
2020-07-07 3:45 ` [PATCH v6 1/8] lib: prepare zstd for preboot environment Nick Terrell
2020-07-07 3:45 ` [PATCH v6 2/8] lib: prepare xxhash " Nick Terrell
2020-07-07 21:59 ` Arvind Sankar [this message]
2020-07-08 2:03 ` Nick Terrell
2020-07-08 2:49 ` Kees Cook
2020-07-08 3:23 ` Arvind Sankar
2020-07-07 3:45 ` [PATCH v6 3/8] lib: add zstd support to decompress Nick Terrell
2020-07-07 3:46 ` [PATCH v6 4/8] init: add support for zstd compressed kernel Nick Terrell
2020-07-07 7:19 ` Norbert Lange
2020-07-07 15:31 ` Nick Terrell
2020-07-07 16:40 ` Norbert Lange
2020-07-07 22:11 ` Arvind Sankar
2020-07-08 2:01 ` Nick Terrell
2020-07-08 3:09 ` Arvind Sankar
2020-07-08 3:25 ` Arvind Sankar
2020-07-07 3:46 ` [PATCH v6 5/8] usr: add support for zstd compressed initramfs Nick Terrell
2020-07-07 3:46 ` [PATCH v6 6/8] x86: bump ZO_z_extra_bytes margin for zstd Nick Terrell
2020-07-07 3:46 ` [PATCH v6 7/8] x86: Add support for ZSTD compressed kernel Nick Terrell
2020-07-07 3:46 ` [PATCH v6 8/8] .gitignore: add ZSTD-compressed files Nick Terrell
2020-07-07 4:03 ` [GIT PULL][PATCH v6 0/8] Add support for ZSTD-compressed kernel and initramfs Sedat Dilek
2020-07-07 9:01 ` Sedat Dilek
2020-07-07 21:32 ` Kees Cook
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=20200707215925.GA1591079@rani.riverdale.lan \
--to=nivedita@alum.mit.edu \
--cc=Kernel-team@fb.com \
--cc=akpm@linux-foundation.org \
--cc=bp@alien8.de \
--cc=clm@fb.com \
--cc=gregkh@linuxfoundation.org \
--cc=keescook@chromium.org \
--cc=kilobyte@angband.pl \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=nickrterrell@gmail.com \
--cc=nolange79@gmail.com \
--cc=oss@malat.biz \
--cc=patrick@stwcx.xyz \
--cc=patrickw3@fb.com \
--cc=rmikey@fb.com \
--cc=sedat.dilek@gmail.com \
--cc=terrelln@fb.com \
--cc=tglx@linutronix.de \
--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 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).