lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Mon, 09 Nov 2009 10:16:34 -0800
From:	Suresh Siddha <>
To:	Yong Wang <>
Cc:	Ingo Molnar <>, "H. Peter Anvin" <>,
	Thomas Gleixner <>,
	Borislav Petkov <>,
	Arjan van de Ven <>,
	"" <>
Subject: Re: [PATCH v5] x86: under bios control, restore AP's APIC_LVTTHMR
 to the BSP value

On Mon, 2009-11-09 at 06:51 -0800, Yong Wang wrote:
> +void mcheck_intel_therm_init(void)
> +{
> +	/*
> +	 * This function is only called on boot CPU. Save the init thermal
> +	 * LVT value on BSP and use that value to restore APs' thermal LVT
> +	 * entry BIOS programmed later
> +	 */
> +	lvtthmr_init = apic_read(APIC_LVTTHMR);
> +}

We shouldn't unconditionally read this LVT entry. We should qualify it
based on the presence of TM1 or TM2 capability, as this LVT entry is
implementation specific and not architectural.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists