70ebc1f0c6
Upstream commit: cff1042cceec3502269947e96cf7023451af22f3 Resolves: RHEL-87416 Resolves: RHEL-71923 Resolves: RHEL-82285 Resolves: RHEL-82286 Resolves: RHEL-84837 Resolves: RHEL-86433 Resolves: RHEL-95485
50 lines
1.3 KiB
Diff
50 lines
1.3 KiB
Diff
commit 3463100f2d47f2897a24ba8023a5c7aaf2d26550
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Author: H.J. Lu <hjl.tools@gmail.com>
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Date: Sat Apr 12 08:37:29 2025 -0700
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x86: Detect Intel Diamond Rapids
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Detect Intel Diamond Rapids and tune it similar to Intel Granite Rapids.
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Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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(cherry picked from commit de14f1959ee5f9b845a7cae43bee03068b8136f0)
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diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
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index 6d2e660b4b20ff06..47dc3b1510a68fc9 100644
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--- a/sysdeps/x86/cpu-features.c
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+++ b/sysdeps/x86/cpu-features.c
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@@ -542,6 +542,7 @@ enum intel_microarch
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INTEL_BIGCORE_ARROWLAKE,
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INTEL_BIGCORE_PANTHERLAKE,
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INTEL_BIGCORE_GRANITERAPIDS,
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+ INTEL_BIGCORE_DIAMONDRAPIDS,
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/* Mixed (bigcore + atom SOC). */
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INTEL_MIXED_LAKEFIELD,
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@@ -817,6 +818,16 @@ disable_tsx:
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break;
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}
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}
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+ else if (family == 19)
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+ switch (model)
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+ {
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+ case 0x01:
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+ microarch = INTEL_BIGCORE_DIAMONDRAPIDS;
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+ break;
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+
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+ default:
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+ break;
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+ }
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switch (microarch)
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{
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@@ -926,6 +937,7 @@ disable_tsx:
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case INTEL_BIGCORE_SAPPHIRERAPIDS:
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case INTEL_BIGCORE_EMERALDRAPIDS:
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case INTEL_BIGCORE_GRANITERAPIDS:
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+ case INTEL_BIGCORE_DIAMONDRAPIDS:
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/* Default tuned Mixed (bigcore + atom SOC). */
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case INTEL_MIXED_LAKEFIELD:
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case INTEL_MIXED_ALDERLAKE:
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