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authorSuchit Karunakaran <[email protected]>2025-08-16 06:51:26 +0000
committerDave Hansen <[email protected]>2025-08-25 15:23:37 +0000
commit24963ae1b0b6596dc36e352c18593800056251d8 (patch)
tree9a364a693fdae62ace1dc1c515b99f77a6627b00 /drivers/cdx/controller/cdx_controller.c
parentLinux 6.17-rc3 (diff)
downloadkernel-24963ae1b0b6596dc36e352c18593800056251d8.tar.gz
kernel-24963ae1b0b6596dc36e352c18593800056251d8.zip
x86/cpu/intel: Fix the constant_tsc model check for Pentium 4
Pentium 4's which are INTEL_P4_PRESCOTT (model 0x03) and later have a constant TSC. This was correctly captured until commit fadb6f569b10 ("x86/cpu/intel: Limit the non-architectural constant_tsc model checks"). In that commit, an error was introduced while selecting the last P4 model (0x06) as the upper bound. Model 0x06 was transposed to INTEL_P4_WILLAMETTE, which is just plain wrong. That was presumably a simple typo, probably just copying and pasting the wrong P4 model. Fix the constant TSC logic to cover all later P4 models. End at INTEL_P4_CEDARMILL which accurately corresponds to the last P4 model. Fixes: fadb6f569b10 ("x86/cpu/intel: Limit the non-architectural constant_tsc model checks") Signed-off-by: Suchit Karunakaran <[email protected]> Signed-off-by: Dave Hansen <[email protected]> Reviewed-by: Sohil Mehta <[email protected]> Cc:[email protected] Link: https://lore.kernel.org/all/20250816065126.5000-1-suchitkarunakaran%40gmail.com
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