From: Dan Williams <dan.j.williams@intel.com>
To: Robert Richter <rrichter@amd.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Alison Schofield <alison.schofield@intel.com>,
"Dan Williams" <dan.j.williams@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>
Cc: <linux-acpi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-cxl@vger.kernel.org>,
Derick Marks <derick.w.marks@intel.com>,
"Len Brown" <lenb@kernel.org>
Subject: Re: [PATCH 1/3] x86/numa: Fix SRAT lookup for CFMWS ranges with numa_fill_memblks()
Date: Mon, 18 Mar 2024 14:31:27 -0700 [thread overview]
Message-ID: <65f8b2afdfc38_aa22294ef@dwillia2-mobl3.amr.corp.intel.com.notmuch> (raw)
In-Reply-To: <Zfiuow9LiOIl3C7X@rric.localdomain>
Robert Richter wrote:
> On 18.03.24 22:09:00, Robert Richter wrote:
> > With kconfig option NUMA_KEEP_MEMINFO disabled the SRAT lookup done
> > with numa_fill_memblks() fails returning NUMA_NO_MEMBLK (-1). An
> > existing SRAT memory range cannot be found for a CFMWS address range.
> > This causes the addition of a duplicate numa_memblk with a different
> > node id and a subsequent page fault and kernel crash during boot.
> >
> > Note that the issue was initially introduced with [1]. But since
> > phys_to_target_node() was originally used that returned the valid node
> > 0, an additional numa_memblk was not added. Though, the node id was
> > wrong too.
> >
> > Fix this by enabling NUMA_KEEP_MEMINFO for x86 with ACPI and NUMA
> > enabled.
> >
> > [1] fd49f99c1809 ("ACPI: NUMA: Add a node and memblk for each CFMWS not in SRAT")
> >
> > Fixes: 8f1004679987 ("ACPI/NUMA: Apply SRAT proximity domain to entire CFMWS window")
> > Cc: Derick Marks <derick.w.marks@intel.com>
> > Cc: Dan Williams <dan.j.williams@intel.com>
> > Cc: Alison Schofield <alison.schofield@intel.com>
> > Signed-off-by: Robert Richter <rrichter@amd.com>
>
> This patch should be dropped in favor of the other 1/3 patch, it is a
> leftover.
What "other" patch? Did I respond to the wrong one?
next prev parent reply other threads:[~2024-03-18 21:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-18 21:08 [PATCH 0/3] ACPI/NUMA: SRAT/CEDT fixes and updates Robert Richter
2024-03-18 21:09 ` [PATCH 1/3] x86/numa: Fix SRAT lookup for CFMWS ranges with numa_fill_memblks() Robert Richter
2024-03-18 21:14 ` Robert Richter
2024-03-18 21:31 ` Dan Williams [this message]
2024-03-18 21:26 ` Dan Williams
2024-03-18 21:50 ` Robert Richter
2024-03-19 11:54 ` [PATCH] cxl: Fix use of phys_to_target_node() outside of init section Robert Richter
2024-03-20 0:21 ` Dan Williams
2024-03-21 12:09 ` Robert Richter
2024-03-18 21:09 ` [PATCH 1/3] x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill_memblks() Robert Richter
2024-03-18 21:09 ` [PATCH 2/3] ACPI/NUMA: Print CXL Early Discovery Table (CEDT) Robert Richter
2024-03-18 21:30 ` Dan Williams
2024-03-18 21:55 ` Robert Richter
2024-03-18 21:09 ` [PATCH 3/3] ACPI/NUMA: Remove architecture dependent remainings Robert Richter
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