linux-kernel - RE: [PATCH 6/6] x86/gsseg: use the LKGS instruction if available for load_gs

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Message-ID: <BN6PR1101MB21617D356343204482EFD1F6A85E9@BN6PR1101MB2161.namprd11.prod.outlook.com>
Date:   Sat, 8 Oct 2022 05:32:31 +0000
From:   "Li, Xin3" <xin3.li@...el.com>
To:     "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>
Subject: RE: [PATCH 6/6] x86/gsseg: use the LKGS instruction if available for
 load_gs_index()

> > Andrew Cooper suggested upgrading the orphan section warning to a hard
> > link error, orphan sections are bad regardless.
> >
> 
> Agreed 1000%. This is a no-brainer. From IRC:
> 
> 
> <andyhhp> -LDFLAGS_vmlinux += --orphan-handling=warn <andyhhp>
> +LDFLAGS_vmlinux += --orphan-handling=error

Who is going to make the change?