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From: Dave Jiang <dave.jiang@intel.com>
To: Alison Schofield <alison.schofield@intel.com>, nvdimm@lists.linux.dev
Cc: linux-cxl@vger.kernel.org
Subject: Re: [ndctl PATCH] test/cxl-destroy-region.sh: create RAM regions explicitly
Date: Fri, 6 Nov 2026 08:11:24 -0700	[thread overview]
Message-ID: <97dd4948-efb2-43e2-bd9b-d6b61cff8787@intel.com> (raw)
In-Reply-To: <20261106014848.938714-1-alison.schofield@intel.com>



On 11/5/26 6:48 PM, Alison Schofield wrote:
> The test creates regions it expects to be RAM without passing a type.
> create-region defaults to pmem when the root decoder supports both RAM
> and PMEM, so the test fails when it picks such a decoder.
> 
> cxl_test has one such decoder. Whether the test picks it depends on the
> memdev order, which changes when other CXL devices, such as QEMU-emulated
> ones, are present.
> 
> Use the '-t ram' option so both checks create RAM regions regardless of
> which decoder is selected.
> 
> This issue appeared while the CXL kernel patch[1] was being tested. It
> changes the cxl_test created x1 volatile window to one that support both
> RAM and PMEM.
> 
> [1] https://lore.kernel.org/linux-cxl/89e8d2cfde4f1054f37a4f48f2b206a7f05108f7.1793850480.git.alison.schofield@intel.com/
> 
> 
> Reported-by: Dave Jiang <dave.jiang@intel.com>
> Signed-off-by: Alison Schofield <alison.schofield@intel.com>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Dave Jiang <dave.jiang@intel.com>

> ---
>  test/cxl-destroy-region.sh | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/test/cxl-destroy-region.sh b/test/cxl-destroy-region.sh
> index 5c3395e530b0..b07589fbbe39 100644
> --- a/test/cxl-destroy-region.sh
> +++ b/test/cxl-destroy-region.sh
> @@ -60,7 +60,7 @@ check_destroy_ram()
>  	mem=$1
>  	decoder=$2
>  
> -	region="$("$CXL" create-region -d "$decoder" -m "$mem" | jq -r ".region")"
> +	region="$("$CXL" create-region -t ram -d "$decoder" -m "$mem" | jq -r ".region")"
>  	if [[ ! $region ]]; then
>  		err "$LINENO"
>  	fi
> @@ -76,7 +76,7 @@ check_destroy_devdax()
>  	mem=$1
>  	decoder=$2
>  
> -	region="$("$CXL" create-region -d "$decoder" -m "$mem" | jq -r ".region")"
> +	region="$("$CXL" create-region -t ram -d "$decoder" -m "$mem" | jq -r ".region")"
>  	if [[ ! $region ]]; then
>  		err "$LINENO"
>  	fi


  parent reply	other threads:[~2026-11-06 15:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-06  1:48 [ndctl PATCH] test/cxl-destroy-region.sh: create RAM regions explicitly Alison Schofield
2026-11-06  5:37 ` Li Ming
2026-11-06 15:11 ` Dave Jiang [this message]
2026-11-06 17:47 ` Alison Schofield

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