From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
To: Nikolay Borisov <nik.borisov@suse.com>
Cc: stable@vger.kernel.org, "H. Peter Anvin (Intel)" <hpa@zytor.com>
Subject: Re: [PATCH v2 1/7] x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix
Date: Mon, 11 Mar 2024 18:33:38 -0700 [thread overview]
Message-ID: <20240312013317.7k6vlhs6iqgxbbru@desk> (raw)
In-Reply-To: <20240226122237.198921-2-nik.borisov@suse.com>
On Mon, Feb 26, 2024 at 02:22:31PM +0200, Nikolay Borisov wrote:
> From: "H. Peter Anvin (Intel)" <hpa@zytor.com>
>
> [ Upstream commit 0576d1ed1e153bf34b54097e0561ede382ba88b0 ]
Looks like the correct sha is f87bc8dc7a7c438c70f97b4e51c76a183313272e
> Add a macro _ASM_RIP() to add a (%rip) suffix on 64 bits only. This is
> useful for immediate memory references where one doesn't want gcc
> to possibly use a register indirection as it may in the case of an "m"
> constraint.
>
> Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> Link: https://lkml.kernel.org/r/20210910195910.2542662-3-hpa@zytor.com
> Signed-off-by: Nikolay Borisov <nik.borisov@suse.com>
next prev parent reply other threads:[~2024-03-12 1:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 12:22 [PATCH v2 0/7] 5.4 backport of recent mds improvement patches Nikolay Borisov
2024-02-26 12:22 ` [PATCH v2 1/7] x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix Nikolay Borisov
2024-03-12 1:33 ` Pawan Gupta [this message]
2024-03-12 5:57 ` Nikolay Borisov
2024-03-29 12:46 ` Greg KH
2024-02-26 12:22 ` [PATCH v2 2/7] x86/bugs: Add asm helpers for executing VERW Nikolay Borisov
2024-02-26 12:22 ` [PATCH v2 3/7] x86/entry_64: Add VERW just before userspace transition Nikolay Borisov
2024-02-26 12:22 ` [PATCH v2 4/7] x86/entry_32: " Nikolay Borisov
2024-02-26 12:22 ` [PATCH v2 5/7] x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key Nikolay Borisov
2024-02-26 12:22 ` [PATCH v2 6/7] KVM/VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH Nikolay Borisov
2024-02-26 12:22 ` [PATCH v2 7/7] KVM/VMX: Move VERW closer to VMentry for MDS mitigation Nikolay Borisov
2024-02-26 13:30 ` [PATCH v2 0/7] 5.4 backport of recent mds improvement patches Greg KH
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