linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@kernel.org>
To: "Ahmed S. Darwish" <darwi@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	John Ogness <john.ogness@linutronix.de>,
	x86@kernel.org, x86-cpuid@lists.linux.dev,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 17/26] x86/cpuid: Remove direct CPUID(0x2) query API
Date: Tue, 6 May 2025 10:59:02 +0200	[thread overview]
Message-ID: <aBnPVj9NZlROyA0W@gmail.com> (raw)
In-Reply-To: <20250506050437.10264-18-darwi@linutronix.de>


* Ahmed S. Darwish <darwi@linutronix.de> wrote:

> All call sites at x86/cpu and x86/cacheinfo has been switched from direct
> CPUID(0x2) access to scanned CPUID access.  Remove the direct CPUID(0x2)
> query APIs at <asm/cpuid/leaf_0x2_api.h>.
> 
> Rename the iterator macro:
> 
>     for_each_scanned_leaf_0x2_entry()
> 
> back to:
> 
>     for_each_leaf_0x2_entry()
> 
> since the "for_each_scanned_.." name and was just chosen to accommodate
> the direct CPUID(0x2) to scanned CPUID(0x2) transition.
> 
> Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
> ---
>  arch/x86/include/asm/cpuid/leaf_0x2_api.h | 72 +----------------------
>  arch/x86/kernel/cpu/cacheinfo.c           |  2 +-
>  arch/x86/kernel/cpu/intel.c               |  2 +-
>  3 files changed, 5 insertions(+), 71 deletions(-)

There's one mention of this API orphaned in the 
for_each_leaf_0x2_entry() comment section:

  arch/x86/include/asm/cpuid/leaf_0x2_api.h: *    for_each_scanned_leaf_0x2_entry(regs, ptr, entry) {

Thanks,

	Ingo

  reply	other threads:[~2025-05-06  8:59 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-06  5:04 [PATCH v1 00/26] x86: Introduce centralized CPUID model Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 01/26] tools/x86/kcpuid: Update bitfields to x86-cpuid-db v2.4 Ahmed S. Darwish
2025-05-06  8:06   ` [tip: x86/cpu] " tip-bot2 for Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 02/26] x86/cpu: Sanitize CPUID(0x80000000) output Ahmed S. Darwish
2025-05-06  8:15   ` [tip: x86/cpu] " tip-bot2 for Ahmed S. Darwish
2025-05-07  8:50   ` [PATCH v1 02/26] " Andrew Cooper
2025-05-08 20:40     ` H. Peter Anvin
2025-05-08 20:58       ` Andrew Cooper
2025-05-08 22:37         ` H. Peter Anvin
2025-05-09  9:23     ` Ahmed S. Darwish (dev)
2025-05-06  5:04 ` [PATCH v1 03/26] x86/cpuid: Introduce <asm/cpuid/leaves.h> Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 04/26] x86/cpuid: Introduce centralized CPUID data Ahmed S. Darwish
2025-05-14  4:18   ` Sohil Mehta
2025-05-15 21:23     ` Ahmed S. Darwish
2025-05-15 22:12       ` Sohil Mehta
2025-05-06  5:04 ` [PATCH v1 05/26] x86/cpuid: Introduce CPUID scanner Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 06/26] x86/cpuid: Scan CPUID(0x80000000) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 07/26] x86/cpuid: Introduce debugfs 'x86/scanned_cpuid/[0-ncpus]' Ahmed S. Darwish
2025-05-14  2:56   ` Sohil Mehta
2025-05-15 21:04     ` Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 08/26] x86/cpuid: Introduce external CPUID table accessors Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 09/26] x86/cpu: Use scanned CPUID(0x0) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 10/26] x86/cpu: Use scanned CPUID(0x80000001) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 11/26] x86/lib: Add CPUID(0x1) CPU family and model calculation Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 12/26] x86/cpu: Use scanned CPUID(0x1) Ahmed S. Darwish
2025-05-06  8:25   ` Ingo Molnar
2025-05-07  7:36     ` Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 13/26] x86/cpuid: Scan CPUID(0x2) Ahmed S. Darwish
2025-05-06  8:16   ` Ingo Molnar
2025-05-06  8:47     ` Ahmed S. Darwish
2025-05-06 10:39       ` Ingo Molnar
2025-05-06  5:04 ` [PATCH v1 14/26] x86/cpuid: Introduce scanned CPUID(0x2) API Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 15/26] x86/cpu: Use scanned CPUID(0x2) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 16/26] x86/cacheinfo: " Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 17/26] x86/cpuid: Remove direct CPUID(0x2) query API Ahmed S. Darwish
2025-05-06  8:59   ` Ingo Molnar [this message]
2025-05-07  9:15     ` Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 18/26] x86/cpuid: Scan deterministic cache params CPUID leaves Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 19/26] x86/cacheinfo: Use scanned CPUID(0x4) Ahmed S. Darwish
2025-05-06  8:10   ` Ingo Molnar
2025-05-06  8:50     ` Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 20/26] x86/cacheinfo: Use scanned CPUID(0x8000001d) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 21/26] x86/cpuid: Scan CPUID(0x80000005) and CPUID(0x80000006) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 22/26] x86/cacheinfo: Use auto-generated data types Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 23/26] x86/cacheinfo: Use scanned CPUID(0x80000005) and CPUID(0x80000006) Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 24/26] x86/cpuid: scanner: Add CPUID table rescan support Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 25/26] x86/cpu: Rescan CPUID table after PSN disable Ahmed S. Darwish
2025-05-06  5:04 ` [PATCH v1 26/26] x86/cpu: Rescan CPUID table after unlocking the full CPUID range Ahmed S. Darwish
2025-05-06  8:23 ` [PATCH v1 00/26] x86: Introduce centralized CPUID model Ingo Molnar
2025-05-06  8:48   ` Ahmed S. Darwish
2025-05-06  9:12 ` Ingo Molnar
2025-05-07  8:35   ` Ahmed S. Darwish
2025-05-07  8:45     ` Ahmed S. Darwish
2025-05-07  9:32   ` Ahmed S. Darwish
2025-05-09  9:28     ` Ahmed S. Darwish (dev)

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aBnPVj9NZlROyA0W@gmail.com \
    --to=mingo@kernel.org \
    --cc=andrew.cooper3@citrix.com \
    --cc=bp@alien8.de \
    --cc=darwi@linutronix.de \
    --cc=dave.hansen@linux.intel.com \
    --cc=hpa@zytor.com \
    --cc=john.ogness@linutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=x86-cpuid@lists.linux.dev \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).