From: Jan Beulich <jbeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH v2 5/5] x86/boot: Drop sym_fs()
Date: Mon, 20 Jan 2020 12:39:45 +0100 [thread overview]
Message-ID: <ceb14a2d-3d49-8e3b-6937-bfe24b03ae2f@suse.com> (raw)
In-Reply-To: <20200117204223.30076-6-andrew.cooper3@citrix.com>
On 17.01.2020 21:42, Andrew Cooper wrote:
> All remaining users of sym_fs() can trivially be switched to using sym_esi()
> instead. This is shorter to encode and faster to execute.
>
> This removes the final uses of %fs during boot, which allows us to drop
> BOOT_FS from the trampoline GDT, which drops an 16M arbitrary limit on Xen's
> compiled size.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
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prev parent reply other threads:[~2020-01-20 11:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-17 20:42 [Xen-devel] [PATCH v2 0/5] x86: Remove more 16M total-size restrictions Andrew Cooper
2020-01-17 20:42 ` [Xen-devel] [PATCH v2 1/5] x86/boot: Create the l2_xenmap[] mappings dynamically Andrew Cooper
2020-01-20 10:29 ` Jan Beulich
2020-01-17 20:42 ` [Xen-devel] [PATCH v2 2/5] x86/boot: Size the boot/directmap " Andrew Cooper
2020-01-20 10:30 ` Jan Beulich
2020-01-17 20:42 ` [Xen-devel] [PATCH v2 3/5] x86/boot: Drop explicit %fs uses Andrew Cooper
2020-01-20 10:35 ` Jan Beulich
2020-01-17 20:42 ` [Xen-devel] [PATCH v2 4/5] x86/boot: Simplify pagetable manipulation loops Andrew Cooper
2020-01-20 10:46 ` Jan Beulich
2020-01-22 15:43 ` Andrew Cooper
2020-01-17 20:42 ` [Xen-devel] [PATCH v2 5/5] x86/boot: Drop sym_fs() Andrew Cooper
2020-01-20 11:39 ` Jan Beulich [this message]
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