From: Sohil Mehta <sohil.mehta@intel.com>
To: Dave Hansen <dave.hansen@intel.com>, <x86@kernel.org>,
<linux-kernel@vger.kernel.org>
Cc: Xin Li <xin@zytor.com>, "H . Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
"Sean Christopherson" <seanjc@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
Tony Luck <tony.luck@intel.com>,
"Zhang Rui" <rui.zhang@intel.com>,
Steven Rostedt <rostedt@goodmis.org>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
Jacob Pan <jacob.pan@linux.microsoft.com>,
Andi Kleen <ak@linux.intel.com>, Kai Huang <kai.huang@intel.com>,
"Sandipan Das" <sandipan.das@amd.com>,
<linux-perf-users@vger.kernel.org>, <linux-edac@vger.kernel.org>,
<kvm@vger.kernel.org>, <linux-pm@vger.kernel.org>,
<linux-trace-kernel@vger.kernel.org>
Subject: Re: [PATCH v6 4/9] x86/nmi: Assign and register NMI-source vectors
Date: Tue, 3 Jun 2025 15:33:34 -0700 [thread overview]
Message-ID: <232ab16f-218f-4c33-9a6c-1652eea9d444@intel.com> (raw)
In-Reply-To: <58556be3-0516-4204-b19d-11cba7b21423@intel.com>
On 6/3/2025 2:54 PM, Dave Hansen wrote:
> On 6/3/25 13:22, Sohil Mehta wrote:
>> With an enum, it's harder to figure out the exact sources when let's say
>> the source bitmap is printed as 0x0090.
>
> Uhh, then don't print a bitmap. ;)
>
Ah! Didn't look at it that way.
> /proc/cpuinfo doesn't print out CPUID leaves, it prints out bits mapped
> to strings.
>
Hasn't that caused more pains than gains :p But, point taken, I'll give
it a shot.
> Look at the kmalloc trace points:
>
> Xorg-4589 [003] ..... 1568557.823993: kmalloc: ...
> gfp_flags=GFP_KERNEL
> Xorg-4589 [003] ..... 1568557.823993: kmalloc: ...
> gfp_flags=GFP_KERNEL
>
> gfp_flags are a bitmap, yet they're mapped out with strings and symbolic
> names.
next prev parent reply other threads:[~2025-06-03 22:33 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-13 20:37 [PATCH v6 0/9] x86: Add support for NMI-source reporting with FRED Sohil Mehta
2025-05-13 20:37 ` [PATCH v6 1/9] x86/fred, KVM: VMX: Pass event data to the FRED entry point from KVM Sohil Mehta
2025-05-14 14:15 ` Sean Christopherson
2025-05-14 21:34 ` Sohil Mehta
2025-05-16 1:15 ` Sean Christopherson
2025-06-02 20:45 ` Sohil Mehta
2025-05-13 20:37 ` [PATCH v6 2/9] x86/cpufeatures: Add the CPUID feature bit for NMI-source reporting Sohil Mehta
2025-05-13 20:37 ` [PATCH v6 3/9] x86/nmi: Extend the registration interface to include the NMI-source vector Sohil Mehta
2025-06-03 7:23 ` Xin Li
2025-06-03 17:35 ` Sohil Mehta
2025-06-03 17:07 ` Dave Hansen
2025-06-03 18:02 ` Sohil Mehta
2025-06-03 18:19 ` Dave Hansen
2025-06-03 20:24 ` Sohil Mehta
2025-05-13 20:37 ` [PATCH v6 4/9] x86/nmi: Assign and register NMI-source vectors Sohil Mehta
2025-06-03 16:34 ` Xin Li
2025-06-03 21:45 ` Sohil Mehta
2025-06-04 15:28 ` H. Peter Anvin
2025-06-11 21:34 ` Sohil Mehta
2025-06-03 17:23 ` Dave Hansen
2025-06-03 20:22 ` Sohil Mehta
2025-06-03 21:54 ` Dave Hansen
2025-06-03 22:33 ` Sohil Mehta [this message]
2025-06-04 15:22 ` H. Peter Anvin
2025-05-13 20:37 ` [PATCH v6 5/9] x86/nmi: Add support to handle NMIs with source information Sohil Mehta
2025-06-03 16:53 ` Xin Li
2025-05-13 20:38 ` [PATCH v6 6/9] x86/nmi: Prepare for the new NMI-source vector encoding Sohil Mehta
2025-05-13 20:38 ` [PATCH v6 7/9] x86/nmi: Enable NMI-source for IPIs delivered as NMIs Sohil Mehta
2025-05-13 20:38 ` [PATCH v6 8/9] perf/x86: Enable NMI-source reporting for perfmon Sohil Mehta
2025-06-03 16:57 ` Xin Li
2025-05-13 20:38 ` [PATCH v6 9/9] x86/nmi: Print source information with the unknown NMI console message Sohil Mehta
2025-06-03 16:55 ` Xin Li
2025-06-04 1:55 ` Sohil Mehta
2025-06-04 2:41 ` Xin Li
2025-06-04 15:41 ` H. Peter Anvin
2025-06-11 21:39 ` Sohil Mehta
2025-06-04 15:29 ` H. Peter Anvin
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