From: Mike Rapoport <rppt@kernel.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Joerg Roedel <jroedel@suse.de>, Ard Biesheuvel <ardb@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>,
David Rientjes <rientjes@google.com>,
Vlastimil Babka <vbabka@suse.cz>,
Tom Lendacky <thomas.lendacky@amd.com>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Ingo Molnar <mingo@redhat.com>,
Varad Gautam <varad.gautam@suse.com>,
Dario Faggioli <dfaggioli@suse.com>,
Dave Hansen <dave.hansen@intel.com>,
Brijesh Singh <brijesh.singh@amd.com>,
David Hildenbrand <david@redhat.com>,
x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev,
linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCHv5 01/12] x86/boot/: Centralize __pa()/__va() definitions
Date: Mon, 25 Apr 2022 10:52:22 +0300 [thread overview]
Message-ID: <YmZTNqub6dYHb1iV@kernel.org> (raw)
In-Reply-To: <20220425033934.68551-2-kirill.shutemov@linux.intel.com>
On Mon, Apr 25, 2022 at 06:39:23AM +0300, Kirill A. Shutemov wrote:
> Replace multiple __pa()/__va() definitions with a single one in misc.h.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
> ---
> arch/x86/boot/compressed/ident_map_64.c | 8 --------
> arch/x86/boot/compressed/misc.h | 9 +++++++++
> arch/x86/boot/compressed/sev.c | 2 --
> 3 files changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/arch/x86/boot/compressed/ident_map_64.c b/arch/x86/boot/compressed/ident_map_64.c
> index f7213d0943b8..fe523ee1a19f 100644
> --- a/arch/x86/boot/compressed/ident_map_64.c
> +++ b/arch/x86/boot/compressed/ident_map_64.c
> @@ -8,14 +8,6 @@
> * Copyright (C) 2016 Kees Cook
> */
>
> -/*
> - * Since we're dealing with identity mappings, physical and virtual
> - * addresses are the same, so override these defines which are ultimately
> - * used by the headers in misc.h.
> - */
> -#define __pa(x) ((unsigned long)(x))
> -#define __va(x) ((void *)((unsigned long)(x)))
> -
> /* No PAGE_TABLE_ISOLATION support needed either: */
> #undef CONFIG_PAGE_TABLE_ISOLATION
>
> diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
> index ea71cf3d64e1..9f7154a30d37 100644
> --- a/arch/x86/boot/compressed/misc.h
> +++ b/arch/x86/boot/compressed/misc.h
> @@ -19,6 +19,15 @@
> /* cpu_feature_enabled() cannot be used this early */
> #define USE_EARLY_PGTABLE_L5
>
> +/*
> + * Boot stub deals with identity mappings, physical and virtual addresses are
> + * the same, so override these defines.
> + *
> + * <asm/page.h> will not define them if they are already defined.
> + */
> +#define __pa(x) ((unsigned long)(x))
> +#define __va(x) ((void *)((unsigned long)(x)))
> +
> #include <linux/linkage.h>
> #include <linux/screen_info.h>
> #include <linux/elf.h>
> diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
> index 28bcf04c022e..4dcea0bc4fe4 100644
> --- a/arch/x86/boot/compressed/sev.c
> +++ b/arch/x86/boot/compressed/sev.c
> @@ -106,9 +106,7 @@ static enum es_result vc_read_mem(struct es_em_ctxt *ctxt,
> }
>
> #undef __init
> -#undef __pa
> #define __init
> -#define __pa(x) ((unsigned long)(x))
>
> #define __BOOT_COMPRESSED
>
> --
> 2.35.1
>
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2022-04-25 7:53 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-25 3:39 [PATCHv5 00/12] mm, x86/cc: Implement support for unaccepted memory Kirill A. Shutemov
2022-04-25 3:39 ` [PATCHv5 01/12] x86/boot/: Centralize __pa()/__va() definitions Kirill A. Shutemov
2022-04-25 7:37 ` David Hildenbrand
2022-04-25 7:52 ` Mike Rapoport [this message]
2022-04-25 3:39 ` [PATCHv5 02/12] mm: Add support for unaccepted memory Kirill A. Shutemov
2022-04-28 10:05 ` Borislav Petkov
2022-05-03 20:21 ` David Hildenbrand
2022-05-06 0:54 ` Kirill A. Shutemov
2022-04-25 3:39 ` [PATCHv5 03/12] efi/x86: Get full memory map in allocate_e820() Kirill A. Shutemov
2022-04-27 20:25 ` Borislav Petkov
2022-04-27 23:48 ` Kirill A. Shutemov
2022-04-28 10:02 ` Borislav Petkov
2022-04-25 3:39 ` [PATCHv5 04/12] x86/boot: Add infrastructure required for unaccepted memory support Kirill A. Shutemov
2022-04-29 10:58 ` Wander Lairson Costa
2022-05-02 13:38 ` Kirill A. Shutemov
2022-04-25 3:39 ` [PATCHv5 05/12] efi/x86: Implement support for unaccepted memory Kirill A. Shutemov
2022-04-29 10:53 ` Borislav Petkov
2022-05-02 13:40 ` Kirill A. Shutemov
2022-04-25 3:39 ` [PATCHv5 06/12] x86/boot/compressed: Handle " Kirill A. Shutemov
2022-04-27 0:17 ` Michael Roth
2022-04-27 14:19 ` Kirill A. Shutemov
2022-05-03 14:15 ` Borislav Petkov
2022-04-29 13:10 ` Wander Lairson Costa
2022-05-03 14:12 ` Borislav Petkov
2022-05-06 15:30 ` Kirill A. Shutemov
2022-05-10 11:03 ` Borislav Petkov
2022-05-13 5:34 ` Dionna Amalie Glaze
2022-05-13 9:01 ` Borislav Petkov
2022-05-13 14:45 ` Kirill A. Shutemov
2022-05-16 6:46 ` Xu, Min M
2022-05-31 22:40 ` Dionna Amalie Glaze
2022-06-01 15:49 ` Gupta, Pankaj
2022-06-01 16:20 ` Dionna Amalie Glaze
2022-06-01 19:34 ` Randy Dunlap
2022-06-01 21:19 ` Gupta, Pankaj
2022-06-02 12:51 ` Gupta, Pankaj
2022-06-02 15:31 ` Dionna Amalie Glaze
2022-06-07 17:28 ` Dionna Amalie Glaze
2022-06-07 18:15 ` Gupta, Pankaj
2022-04-25 3:39 ` [PATCHv5 07/12] x86/mm: Reserve unaccepted memory bitmap Kirill A. Shutemov
2022-04-29 13:19 ` Wander Lairson Costa
2022-05-04 11:04 ` Borislav Petkov
2022-04-25 3:39 ` [PATCHv5 08/12] x86/mm: Provide helpers for unaccepted memory Kirill A. Shutemov
2022-05-04 11:12 ` Borislav Petkov
2022-05-06 16:13 ` Kirill A. Shutemov
2022-05-10 18:32 ` Borislav Petkov
2022-05-11 1:15 ` Kirill A. Shutemov
2022-05-11 9:07 ` Borislav Petkov
2022-04-25 3:39 ` [PATCHv5 09/12] x86/tdx: Make _tdx_hypercall() and __tdx_module_call() available in boot stub Kirill A. Shutemov
2022-04-25 3:39 ` [PATCHv5 10/12] x86/tdx: Unaccepted memory support Kirill A. Shutemov
2022-05-05 10:12 ` Borislav Petkov
2022-05-06 20:44 ` Kirill A. Shutemov
2022-05-11 1:19 ` Kirill A. Shutemov
2022-05-11 9:13 ` Borislav Petkov
2022-04-25 3:39 ` [PATCHv5 11/12] mm/vmstat: Add counter for memory accepting Kirill A. Shutemov
2022-04-25 3:39 ` [PATCHv5 12/12] x86/mm: Report unaccepted memory in /proc/meminfo Kirill A. Shutemov
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