From: Ira Weiny <ira.weiny@intel.com>
To: Li Ming <ming.li@zohomail.com>, <dave@stgolabs.net>,
<jonathan.cameron@huawei.com>, <dave.jiang@intel.com>,
<alison.schofield@intel.com>, <vishal.l.verma@intel.com>,
<ira.weiny@intel.com>, <dan.j.williams@intel.com>
Cc: <linux-cxl@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Li Ming <ming.li@zohomail.com>
Subject: Re: [PATCH 1/1] cxl/region: Fix the first aliased address miscalculation
Date: Thu, 20 Mar 2025 13:26:51 -0500 [thread overview]
Message-ID: <67dc5deb3a5a9_60ad0294b5@iweiny-mobl.notmuch> (raw)
In-Reply-To: <20250317070124.815028-1-ming.li@zohomail.com>
Li Ming wrote:
> In extended linear cache(ELC) case, cxl_port_get_spa_cache_alias() helps
> to get the aliased address of a SPA, it considers the first address in
> CXL memory range is "region start + region cache size + 1", but it
> should be "region start + region cache size".
>
> So if a SPA is equal to "region start + region cache size", its aliased
> address should be "SPA - region cache size".
>
> Signed-off-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
[snip]
next prev parent reply other threads:[~2025-03-20 18:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-17 7:01 [PATCH 1/1] cxl/region: Fix the first aliased address miscalculation Li Ming
2025-03-17 17:59 ` Alison Schofield
2025-03-20 18:26 ` Ira Weiny [this message]
2025-03-20 22:09 ` Dave Jiang
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