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From: "Jan Beulich" <JBeulich@suse.com>
To: WeiLiu <wei.liu2@citrix.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v4 11/31] x86/mm: split out writable pagetable emulation code
Date: Wed, 30 Aug 2017 09:23:20 -0600	[thread overview]
Message-ID: <59A6F4880200007800175A64@prv-mh.provo.novell.com> (raw)
In-Reply-To: <20170830140701.plgv3twwhya6fhly@citrix.com>

>>> On 30.08.17 at 16:07, <wei.liu2@citrix.com> wrote:
> On Thu, Aug 24, 2017 at 09:15:36AM -0600, Jan Beulich wrote:
>> >>> On 17.08.17 at 16:44, <wei.liu2@citrix.com> wrote:
>> > +/*************************
>> > + * Writable Pagetables
>> > + */
>> > +
>> > +struct ptwr_emulate_ctxt {
>> > +    struct x86_emulate_ctxt ctxt;
>> > +    unsigned long cr2;
>> > +    l1_pgentry_t  pte;
>> > +};
>> >[...]
>> > +static int ptwr_emulated_update(unsigned long addr, paddr_t old, paddr_t val,
>> > +                                unsigned int bytes, unsigned int do_cmpxchg,
>> > +                                struct ptwr_emulate_ctxt *ptwr_ctxt)
>> 
>> I've meanwhile noticed that in prior patches of yours such movement
>> was needlessly retaining the component prefixes. With you splitting
>> things into separate files, these aren't really useful anymore - stack
>> traces will have them disambiguated by being prefixed with their
>> file names. They merely eat valuable serial line bandwidth / ring
>> buffer space and clutter the (serial) log. I could accept the structure
>> tags to stay the way they are, but please shorten the local function
>> names as much as possible without losing information. That'll likely
>> mean dropping more than just the ptwr_ prefix.
> 
> No problem.
> 
> Do you want me to change the ones I already moved? If so, I will do it
> before we release 4.10.

I'd likely be doing it at some point myself, so if you're willing to
do it, I would of course appreciate it.

Jan


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  reply	other threads:[~2017-08-30 15:23 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-17 14:44 [PATCH v4 00/31] x86: refactor mm.c Wei Liu
2017-08-17 14:44 ` [PATCH v4 01/31] x86/mm: carve out create_grant_pv_mapping Wei Liu
2017-08-18 10:12   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 02/31] x86/mm: carve out replace_grant_pv_mapping Wei Liu
2017-08-18 10:14   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 03/31] x86/mm: split HVM grant table code to hvm/grant_table.c Wei Liu
2017-08-18 10:16   ` Jan Beulich
2017-08-18 10:26   ` Andrew Cooper
2017-08-17 14:44 ` [PATCH v4 04/31] x86/mm: lift PAGE_CACHE_ATTRS to page.h Wei Liu
2017-08-17 14:46   ` Andrew Cooper
2017-08-17 14:44 ` [PATCH v4 05/31] x86/mm: document the return values from get_page_from_l*e Wei Liu
2017-08-18 10:24   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 06/31] x86: move pv_emul_is_mem_write to pv/emulate.c Wei Liu
2017-08-17 14:53   ` Andrew Cooper
2017-08-18 10:08   ` Jan Beulich
2017-08-18 12:08     ` Wei Liu
2017-08-18 12:13       ` Andrew Cooper
2017-08-17 14:44 ` [PATCH v4 07/31] x86/mm: move and rename guest_get_eff{, kern}_l1e Wei Liu
2017-08-24 14:52   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 08/31] x86/mm: export get_page_from_mfn Wei Liu
2017-08-24 14:55   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 09/31] x86/mm: rename and move update_intpte Wei Liu
2017-08-24 14:59   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 10/31] x86/mm: move {un, }adjust_guest_* to pv/mm.h Wei Liu
2017-08-24 15:00   ` Jan Beulich
2017-08-17 14:44 ` [PATCH v4 11/31] x86/mm: split out writable pagetable emulation code Wei Liu
2017-08-24 15:15   ` Jan Beulich
2017-08-30 14:07     ` Wei Liu
2017-08-30 15:23       ` Jan Beulich [this message]
2017-08-30 15:43         ` Wei Liu
2017-08-17 14:44 ` [PATCH v4 12/31] x86/mm: split out readonly MMIO " Wei Liu
2017-08-24 15:16   ` Jan Beulich
2017-08-24 15:25     ` Andrew Cooper
2017-08-30 14:35       ` Wei Liu
2017-08-17 14:44 ` [PATCH v4 13/31] x86/mm: remove the unused inclusion of pv/emulate.h Wei Liu
2017-08-17 14:44 ` [PATCH v4 14/31] x86/mm: move and rename guest_{, un}map_l1e Wei Liu
2017-08-17 14:44 ` [PATCH v4 15/31] x86/mm: split out PV grant table code Wei Liu
2017-08-17 14:44 ` [PATCH v4 16/31] x86/mm: split out descriptor " Wei Liu
2017-08-17 14:44 ` [PATCH v4 17/31] x86/mm: move compat descriptor handling code Wei Liu
2017-08-17 14:44 ` [PATCH v4 18/31] x86/mm: move and rename map_ldt_shadow_page Wei Liu
2017-08-17 14:44 ` [PATCH v4 19/31] x86/mm: factor out pv_arch_init_memory Wei Liu
2017-08-17 14:44 ` [PATCH v4 20/31] x86/mm: move l4 table setup code Wei Liu
2017-08-17 14:44 ` [PATCH v4 21/31] x86/mm: add "pv_" prefix to new_guest_cr3 Wei Liu
2017-08-17 14:44 ` [PATCH v4 22/31] x86: add pv_ prefix to {alloc, free}_page_type Wei Liu
2017-08-17 14:44 ` [PATCH v4 23/31] x86/mm: export more get/put page functions Wei Liu
2017-08-17 14:44 ` [PATCH v4 24/31] x86/mm: move and add pv_ prefix to create_pae_xen_mappings Wei Liu
2017-08-17 14:44 ` [PATCH v4 25/31] x86/mm: move disallow_mask variable and macros Wei Liu
2017-08-17 14:44 ` [PATCH v4 26/31] x86/mm: move pv_{alloc, free}_page_type Wei Liu
2017-08-17 14:44 ` [PATCH v4 27/31] x86/mm: move and add pv_ prefix to invalidate_shadow_ldt Wei Liu
2017-08-17 14:44 ` [PATCH v4 28/31] x86/mm: move PV hypercalls to pv/mm-hypercalls.c Wei Liu
2017-08-17 14:44 ` [PATCH v4 29/31] x86/mm: remove the now unused inclusion of pv/mm.h Wei Liu
2017-08-17 14:44 ` [PATCH v4 30/31] x86/mm: use put_page_type_preemptible in put_page_from_l{2, 3}e Wei Liu
2017-08-17 14:44 ` [PATCH v4 31/31] x86/mm: move {get, put}_page_from_l{2, 3, 4}e Wei Liu

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