From: Borislav Petkov <bp@alien8.de> To: Juergen Gross <jgross@suse.com> Cc: linux-kernel@vger.kernel.org, x86@kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Dave Hansen <dave.hansen@linux.intel.com>, "H. Peter Anvin" <hpa@zytor.com>, Ajay Kaher <akaher@vmware.com>, Alexey Makhalov <amakhalov@vmware.com>, VMware PV-Drivers Reviewers <pv-drivers@vmware.com>, Paolo Bonzini <pbonzini@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, xen-devel@lists.xenproject.org, Peter Zijlstra <peterz@infradead.org> Subject: Re: [PATCH v3 1/5] x86/paravirt: move some functions and defines to alternative Date: Wed, 25 Oct 2023 12:34:02 +0200 [thread overview] Message-ID: <20231025103402.GBZTjvGse9c0utZGO0@fat_crate.local> (raw) In-Reply-To: <20231019091520.14540-2-jgross@suse.com> On Thu, Oct 19, 2023 at 11:15:16AM +0200, Juergen Gross wrote: > +/* Low-level backend functions usable from alternative code replacements. */ > +DEFINE_ASM_FUNC(x86_nop, "", .entry.text); > +EXPORT_SYMBOL_GPL(x86_nop); This is all x86 code so you don't really need the "x86_" prefix - "nop" is perfectly fine. > +noinstr void x86_BUG(void) > +{ > + BUG(); > +} > +EXPORT_SYMBOL_GPL(x86_BUG); That export is needed for? Paravirt stuff in modules? It builds here without it - I guess I need to do an allmodconfig. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
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From: Borislav Petkov <bp@alien8.de> To: Juergen Gross <jgross@suse.com> Cc: Wanpeng Li <wanpengli@tencent.com>, Dave Hansen <dave.hansen@linux.intel.com>, Alexey Makhalov <amakhalov@vmware.com>, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, VMware PV-Drivers Reviewers <pv-drivers@vmware.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, x86@kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Peter Zijlstra <peterz@infradead.org>, Ajay Kaher <akaher@vmware.com>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Paolo Bonzini <pbonzini@redhat.com>, Thomas Gleixner <tglx@linutronix.de> Subject: Re: [PATCH v3 1/5] x86/paravirt: move some functions and defines to alternative Date: Wed, 25 Oct 2023 12:34:02 +0200 [thread overview] Message-ID: <20231025103402.GBZTjvGse9c0utZGO0@fat_crate.local> (raw) In-Reply-To: <20231019091520.14540-2-jgross@suse.com> On Thu, Oct 19, 2023 at 11:15:16AM +0200, Juergen Gross wrote: > +/* Low-level backend functions usable from alternative code replacements. */ > +DEFINE_ASM_FUNC(x86_nop, "", .entry.text); > +EXPORT_SYMBOL_GPL(x86_nop); This is all x86 code so you don't really need the "x86_" prefix - "nop" is perfectly fine. > +noinstr void x86_BUG(void) > +{ > + BUG(); > +} > +EXPORT_SYMBOL_GPL(x86_BUG); That export is needed for? Paravirt stuff in modules? It builds here without it - I guess I need to do an allmodconfig. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2023-10-25 10:34 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-19 9:15 [PATCH v3 0/5] x86/paravirt: Get rid of paravirt patching Juergen Gross 2023-10-19 9:15 ` Juergen Gross via Virtualization 2023-10-19 9:15 ` [PATCH v3 1/5] x86/paravirt: move some functions and defines to alternative Juergen Gross 2023-10-19 9:15 ` Juergen Gross via Virtualization 2023-10-19 11:33 ` kernel test robot 2023-10-19 11:33 ` kernel test robot 2023-10-25 10:34 ` Borislav Petkov [this message] 2023-10-25 10:34 ` Borislav Petkov 2023-10-25 13:31 ` Juergen Gross 2023-10-25 13:31 ` Juergen Gross via Virtualization 2023-10-25 13:44 ` Borislav Petkov 2023-10-25 13:44 ` Borislav Petkov 2023-10-25 13:57 ` Juergen Gross 2023-10-25 13:57 ` Juergen Gross via Virtualization 2023-10-30 12:39 ` Juergen Gross 2023-10-30 12:39 ` Juergen Gross via Virtualization 2023-10-19 9:15 ` [PATCH v3 2/5] x86/alternative: add indirect call patching Juergen Gross 2023-10-19 9:15 ` [PATCH v3 3/5] x86/paravirt: introduce ALT_NOT_XEN Juergen Gross 2023-10-19 9:15 ` Juergen Gross via Virtualization 2023-10-19 9:15 ` [PATCH v3 4/5] x86/paravirt: switch mixed paravirt/alternative calls to alternative_2 Juergen Gross 2023-10-19 9:15 ` Juergen Gross via Virtualization 2023-10-19 11:55 ` kernel test robot 2023-10-19 11:55 ` kernel test robot 2023-10-26 2:44 ` kernel test robot 2023-10-26 6:33 ` Juergen Gross 2023-10-26 6:33 ` Juergen Gross via Virtualization 2023-10-26 9:02 ` kernel test robot 2023-10-26 9:02 ` kernel test robot 2023-10-19 9:15 ` [PATCH v3 5/5] x86/paravirt: remove no longer needed paravirt patching code Juergen Gross 2023-10-19 9:15 ` Juergen Gross via Virtualization 2023-10-19 12:06 ` kernel test robot 2023-10-19 12:06 ` kernel test robot
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