From: Julien Grall <julien@xen.org>
To: Jan Beulich <jbeulich@suse.com>
Cc: xen-devel@lists.xenproject.org,
"Julien Grall" <jgrall@amazon.com>,
"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>,
"Andrew Cooper" <andrew.cooper3@citrix.com>
Subject: Re: [Xen-devel] [PATCH 09/17] xen/x86: Reduce the number of use of l*e_{from, get}_pfn()
Date: Sat, 28 Mar 2020 10:53:18 +0000 [thread overview]
Message-ID: <d3c391bb-f66b-a4fd-0848-46238db9cf59@xen.org> (raw)
In-Reply-To: <bae1a883-45ad-344d-ecbf-4eddc7627182@suse.com>
Hi Jan,
On 27/03/2020 10:52, Jan Beulich wrote:
> On 22.03.2020 17:14, julien@xen.org wrote:
>> --- a/xen/arch/x86/mm.c
>> +++ b/xen/arch/x86/mm.c
>> @@ -1138,7 +1138,7 @@ static int
>> get_page_from_l2e(
>> l2_pgentry_t l2e, mfn_t l2mfn, struct domain *d, unsigned int flags)
>> {
>> - unsigned long mfn = l2e_get_pfn(l2e);
>> + mfn_t mfn = l2e_get_mfn(l2e);
>> int rc;
>>
>> if ( unlikely((l2e_get_flags(l2e) & L2_DISALLOW_MASK)) )
>> @@ -1150,7 +1150,7 @@ get_page_from_l2e(
>>
>> ASSERT(!(flags & PTF_preemptible));
>>
>> - rc = get_page_and_type_from_mfn(_mfn(mfn), PGT_l1_page_table, d, flags);
>> + rc = get_page_and_type_from_mfn(mfn, PGT_l1_page_table, d, flags);
>
> To bring this better in line with the L3 and L4 counterparts,
> could you please drop the local variable instead? Then
I will do it.
> Reviewed-by: Jan Beulich <jbeulich@suse.com>
Cheers,
--
Julien Grall
next prev parent reply other threads:[~2020-03-28 10:53 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-22 16:14 [Xen-devel] [PATCH 00/17] Bunch of typesafe conversion julien
2020-03-22 16:14 ` [Xen-devel] [PATCH 01/17] xen/x86: Introduce helpers to generate/convert the CR3 from/to a MFN/GFN julien
2020-03-25 14:46 ` Jan Beulich
2020-03-28 10:14 ` Julien Grall
2020-03-30 7:38 ` Jan Beulich
2020-04-16 11:50 ` Julien Grall
2020-03-22 16:14 ` [Xen-devel] [PATCH 02/17] xen/x86_64: Convert do_page_walk() to use typesafe MFN julien
2020-03-25 14:51 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 03/17] xen/mm: Move the MM types in a separate header julien
2020-03-25 15:00 ` Jan Beulich
2020-03-25 18:09 ` Julien Grall
2020-03-26 9:02 ` Jan Beulich
2020-03-28 10:15 ` Julien Grall
2020-03-22 16:14 ` [Xen-devel] [PATCH 04/17] xen: Convert virt_to_mfn() and mfn_to_virt() to use typesafe MFN julien
2020-03-25 15:27 ` Jan Beulich
2020-03-25 18:21 ` Julien Grall
2020-03-26 9:09 ` Jan Beulich
2020-03-28 10:33 ` Julien Grall
2020-03-22 16:14 ` [Xen-devel] [PATCH 05/17] xen/x86: Remove the non-typesafe version of pagetable_* helpers julien
2020-03-26 15:39 ` Jan Beulich
2020-03-28 10:52 ` Julien Grall
2020-03-30 7:52 ` Jan Beulich
2020-04-18 10:23 ` Julien Grall
2020-04-20 9:16 ` Jan Beulich
2020-04-20 10:10 ` Julien Grall
2020-04-20 12:14 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 06/17] xen/x86: mm: Fix the comment on top put_page_from_l2e() to use 'mfn' julien
2020-03-26 15:51 ` Jan Beulich
2020-04-18 10:54 ` Julien Grall
2020-03-22 16:14 ` [Xen-devel] [PATCH 07/17] xen/x86: traps: Convert __page_fault_type() to use typesafe MFN julien
2020-03-26 15:54 ` Jan Beulich
2020-04-18 11:01 ` Julien Grall
2020-04-18 11:43 ` Julien Grall
2020-04-20 9:19 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 08/17] xen/x86: traps: Convert show_page_walk() " julien
2020-03-22 16:14 ` [Xen-devel] [PATCH 09/17] xen/x86: Reduce the number of use of l*e_{from, get}_pfn() julien
2020-03-27 10:52 ` Jan Beulich
2020-03-28 10:53 ` Julien Grall [this message]
2020-03-22 16:14 ` [Xen-devel] [PATCH 10/17] xen/x86: pv: Use maddr_to_mfn(...) instead of the open-coding version julien
2020-03-27 11:34 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 11/17] xen/x86: nested_ept: Fix typo in the message in nept_translate_l2ga() julien
2020-03-27 11:35 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 12/17] xen/x86: p2m: Remove duplicate error message in p2m_pt_audit_p2m() julien
2020-03-27 11:35 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 13/17] xen/x86: p2m: Reflow P2M_PRINTK()s " julien
2020-03-27 11:36 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 14/17] xen/x86: mm: Re-implement set_gpfn_from_mfn() as a static inline function julien
2020-03-27 12:44 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 15/17] xen/x86: p2m: Rework printk format in audit_p2m() julien
2020-03-27 12:45 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 16/17] xen/mm: Convert {s, g}et_gpfn_from_mfn() to use typesafe MFN julien
2020-03-23 12:11 ` Hongyan Xia
2020-03-23 12:26 ` Julien Grall
2020-03-27 13:15 ` Jan Beulich
2020-03-28 11:14 ` Julien Grall
2020-03-30 8:10 ` Jan Beulich
2020-03-22 16:14 ` [Xen-devel] [PATCH 17/17] xen: Switch parameter in get_page_from_gfn to use typesafe gfn julien
2020-03-23 8:37 ` Paul Durrant
2020-03-23 10:26 ` Julien Grall
2020-03-27 13:50 ` Jan Beulich
2020-03-27 13:59 ` Julien Grall
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