From: Jan Beulich <jbeulich@suse.com>
To: "Roger Pau Monné" <roger.pau@citrix.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>,
George Dunlap <george.dunlap@citrix.com>
Subject: Re: [PATCH v2 01/12] x86/p2m: set_{foreign,mmio}_p2m_entry() are HVM-only
Date: Thu, 29 Apr 2021 16:09:30 +0200 [thread overview]
Message-ID: <9dc64292-d87c-77ba-1356-80cb14348973@suse.com> (raw)
In-Reply-To: <YIqx3LahSx1bmgNo@Air-de-Roger>
On 29.04.2021 15:17, Roger Pau Monné wrote:
> On Mon, Apr 12, 2021 at 04:05:41PM +0200, Jan Beulich wrote:
>> Extend a respective #ifdef from inside set_typed_p2m_entry() to around
>> all three functions. Add ASSERT_UNREACHABLE() to the latter one's safety
>> check path.
>
> Wouldn't it be better to also move the prototypes in p2m.h into a
> CONFIG_HVM guarded region, so that it fails at compile time rather
> than link time?
In the header I'm fearing this ending up as spaghetti more than in
the .c file. I think where possible we may want to do so once we
have a clear / clean set of APIs which are generic vs such which
are HVM-specific (which I expect to be the case once p2m.c as a
whole becomes HVM-only).
Jan
next prev parent reply other threads:[~2021-04-29 14:09 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 14:03 [PATCH v2 00/12] x86/p2m: restrict more code to build just for HVM Jan Beulich
2021-04-12 14:05 ` [PATCH v2 01/12] x86/p2m: set_{foreign,mmio}_p2m_entry() are HVM-only Jan Beulich
2021-04-29 13:17 ` Roger Pau Monné
2021-04-29 14:09 ` Jan Beulich [this message]
2021-04-29 15:06 ` Roger Pau Monné
2021-04-12 14:06 ` [PATCH v2 02/12] x86/p2m: {,un}map_mmio_regions() " Jan Beulich
2021-04-29 14:48 ` Roger Pau Monné
2021-04-29 15:01 ` Jan Beulich
2021-04-12 14:07 ` [PATCH v2 03/12] x86/mm: the gva_to_gfn() hook is HVM-only Jan Beulich
2021-04-15 16:22 ` Tim Deegan
2021-04-12 14:07 ` [PATCH v2 04/12] AMD/IOMMU: guest IOMMU support is for HVM only Jan Beulich
2021-04-29 15:14 ` Roger Pau Monné
2021-04-12 14:08 ` [PATCH v2 05/12] x86/p2m: change_entry_type_* hooks are HVM-only Jan Beulich
2021-04-29 15:49 ` Roger Pau Monné
2021-04-12 14:08 ` [PATCH v2 06/12] x86/p2m: hardware-log-dirty related " Jan Beulich
2021-04-29 16:05 ` Roger Pau Monné
2021-04-12 14:09 ` [PATCH v2 07/12] x86/p2m: the recalc hook is HVM-only Jan Beulich
2021-04-30 9:27 ` Roger Pau Monné
2021-04-12 14:10 ` [PATCH v2 08/12] x86: mem-access " Jan Beulich
2021-04-12 14:16 ` Tamas K Lengyel
2021-04-12 14:48 ` Isaila Alexandru
2021-04-12 14:12 ` [PATCH v2 09/12] x86: make mem-paging configuarable and default it to off for being unsupported Jan Beulich
2021-04-12 14:18 ` Tamas K Lengyel
2021-04-12 14:47 ` Isaila Alexandru
2021-04-12 14:27 ` Isaila Alexandru
2021-04-30 9:55 ` Roger Pau Monné
2021-04-30 14:16 ` Jan Beulich
2021-04-30 14:37 ` Roger Pau Monné
2021-04-12 14:13 ` [PATCH v2 10/12] x86/p2m: {get,set}_entry hooks and p2m-pt.c are HVM-only Jan Beulich
2021-04-30 10:57 ` Roger Pau Monné
2021-04-12 14:13 ` [PATCH v2 11/12] x86/p2m: write_p2m_entry_{pre,post} hooks " Jan Beulich
2021-04-15 16:22 ` Tim Deegan
2021-04-12 14:14 ` [PATCH v2 12/12] x86/p2m: re-arrange struct p2m_domain Jan Beulich
2021-04-30 10:59 ` Roger Pau Monné
2021-04-29 9:27 ` Ping: [PATCH v2 00/12] x86/p2m: restrict more code to build just for HVM Jan Beulich
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