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
next prev parent 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)
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