From: Peter Zijlstra <peterz@infradead.org>
To: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
Borislav Petkov <bp@suse.de>,
Andrew Cooper <Andrew.Cooper3@citrix.com>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, Josh Poimboeuf <jpoimboe@redhat.com>
Subject: Re: [PATCH] x86/nospec: Unwreck the RSB stuffing
Date: Wed, 17 Aug 2022 08:55:08 +0200 [thread overview]
Message-ID: <YvyQzHzLJpalcvbZ@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <84f4b1ea-d837-9a53-a21c-4ac602ff8e75@linux.intel.com>
On Tue, Aug 16, 2022 at 11:04:36AM -0700, Daniel Sneddon wrote:
> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index 1a31ae6d758b..c5b55c9f2849 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -420,7 +420,7 @@
> #define X86_FEATURE_V_TSC_AUX (19*32+ 9) /* "" Virtual TSC_AUX */
> #define X86_FEATURE_SME_COHERENT (19*32+10) /* "" AMD hardware-enforced
> cache coherency */
>
> -#define X86_FEATURE_NEVER (-1) /* "" Logical complement of ALWAYS */
> +#define X86_FEATURE_NEVER (0x7FFF) /* "" Logical complement of
> ALWAYS */
Bah, I initially spelled that: ALT_NOT(X86_FEATURE_ALWAYS), but Boris
made me do the -1 thing there. Oh well, Boris can fix that :-)
next prev parent reply other threads:[~2022-08-17 6:55 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-09 18:00 [PATCH 5.19 00/21] 5.19.1-rc1 review Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 01/21] block: fix default IO priority handling again Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 02/21] tools/vm/slabinfo: Handle files in debugfs Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 03/21] ACPI: video: Force backlight native for some TongFang devices Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 04/21] ACPI: video: Shortening quirk list by identifying Clevo by board_name only Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 05/21] ACPI: APEI: Better fix to avoid spamming the console with old error logs Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 06/21] crypto: arm64/poly1305 - fix a read out-of-bound Greg Kroah-Hartman
2022-08-09 18:00 ` [PATCH 5.19 07/21] ata: sata_mv: Fixes expected number of resources now IRQs are gone Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 08/21] arm64: set UXN on swapper page tables Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 09/21] Bluetooth: hci_qca: Return wakeup for qca_wakeup Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 10/21] Bluetooth: hci_bcm: Add BCM4349B1 variant Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 11/21] Bluetooth: hci_bcm: Add DT compatible for CYW55572 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 12/21] dt-bindings: bluetooth: broadcom: Add BCM4349B1 DT binding Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 13/21] Bluetooth: btusb: Add support of IMC Networks PID 0x3568 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 14/21] Bluetooth: btusb: Add Realtek RTL8852C support ID 0x04CA:0x4007 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 15/21] Bluetooth: btusb: Add Realtek RTL8852C support ID 0x04C5:0x1675 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 16/21] Bluetooth: btusb: Add Realtek RTL8852C support ID 0x0CB8:0xC558 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 17/21] Bluetooth: btusb: Add Realtek RTL8852C support ID 0x13D3:0x3587 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 18/21] Bluetooth: btusb: Add Realtek RTL8852C support ID 0x13D3:0x3586 Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 19/21] macintosh/adb: fix oob read in do_adb_query() function Greg Kroah-Hartman
2022-08-09 18:01 ` [PATCH 5.19 20/21] x86/speculation: Add RSB VM Exit protections Greg Kroah-Hartman
2022-08-16 12:28 ` [PATCH] x86/nospec: Unwreck the RSB stuffing Peter Zijlstra
2022-08-16 12:33 ` Greg Kroah-Hartman
2022-08-16 12:36 ` Borislav Petkov
2022-08-16 12:42 ` Greg Kroah-Hartman
2022-08-16 16:34 ` Daniel Sneddon
2022-08-16 12:52 ` Andrew Cooper
2022-08-16 13:01 ` Borislav Petkov
2022-08-16 22:34 ` Pawan Gupta
2022-08-16 17:34 ` Daniel Sneddon
2022-08-16 18:04 ` Daniel Sneddon
2022-08-16 18:14 ` Boris Petkov
2022-08-17 6:55 ` Peter Zijlstra [this message]
2022-08-19 10:33 ` Peter Zijlstra
2022-08-19 11:35 ` [tip: x86/urgent] " tip-bot2 for Peter Zijlstra
2022-08-09 18:01 ` [PATCH 5.19 21/21] x86/speculation: Add LFENCE to RSB fill sequence Greg Kroah-Hartman
2022-08-09 22:13 ` [PATCH 5.19 00/21] 5.19.1-rc1 review Florian Fainelli
2022-08-10 1:08 ` Zan Aziz
2022-08-10 4:10 ` Shuah Khan
2022-08-10 5:26 ` Ron Economos
2022-08-10 7:51 ` Naresh Kamboju
2022-08-10 8:28 ` Bagas Sanjaya
2022-08-10 13:33 ` Guenter Roeck
2022-08-10 14:20 ` Justin Forbes
2022-08-10 21:49 ` Rudi Heitbaum
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