From: Wei Liu <wl@xen.org>
To: Jan Beulich <jbeulich@suse.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"George Dunlap" <george.dunlap@citrix.com>,
"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH v2 1/3] x86: don't build unused entry code when !PV32
Date: Tue, 6 Apr 2021 16:56:18 +0000 [thread overview]
Message-ID: <20210406165618.6vfo4tkqfyyv76sr@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <213007e3-bb4c-a564-ca1d-860283646be4@suse.com>
On Tue, Apr 06, 2021 at 04:01:22PM +0200, Jan Beulich wrote:
> Except for the initial part of cstar_enter compat/entry.S is all dead
> code in this case. Further, along the lines of the PV conditionals we
> already have in entry.S, make code PV32-conditional there too (to a
> fair part because this code actually references compat/entry.S).
>
> This has the side effect of moving the tail part (now at compat_syscall)
> of the code out of .text.entry (in line with e.g. compat_sysenter).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Wei Liu <wl@xen.org>
next prev parent reply other threads:[~2021-04-06 16:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-06 13:58 [PATCH v2 0/3] x86: asm-offsets.h and !PV32 adjustments Jan Beulich
2021-04-06 14:01 ` [PATCH v2 1/3] x86: don't build unused entry code when !PV32 Jan Beulich
2021-04-06 16:56 ` Wei Liu [this message]
2021-04-06 14:01 ` [PATCH v2 2/3] x86: slim down hypercall handling " Jan Beulich
2021-04-06 16:59 ` Wei Liu
2021-04-06 14:02 ` [PATCH v2 3/3] x86: avoid building COMPAT code when !HVM && !PV32 Jan Beulich
2021-04-06 17:03 ` Wei Liu
2021-04-08 10:02 ` Jan Beulich
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