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From: Jan Beulich <jbeulich@suse.com>
To: Juergen Gross <jgross@suse.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: [PATCH 8/9] x86/PVH: adjust function/data placement
Date: Tue, 7 Sep 2021 12:12:32 +0200	[thread overview]
Message-ID: <cf3fd833-0379-aba5-421d-7f2588d2d881@suse.com> (raw)
In-Reply-To: <4efa804e-3250-227f-00c7-347581366cd4@suse.com>

Two of the variables can live in .init.data, allowing the open-coded
placing in .data to go away. Another "variable" is used to communicate a
size value only to very early assembly code, which hence can be both
const and live in .init.*. Additionally two functions were lacking
__init annotations.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

--- a/arch/x86/platform/pvh/enlighten.c
+++ b/arch/x86/platform/pvh/enlighten.c
@@ -16,15 +16,15 @@
 /*
  * PVH variables.
  *
- * pvh_bootparams and pvh_start_info need to live in the data segment since
+ * pvh_bootparams and pvh_start_info need to live in a data segment since
  * they are used after startup_{32|64}, which clear .bss, are invoked.
  */
-struct boot_params pvh_bootparams __section(".data");
-struct hvm_start_info pvh_start_info __section(".data");
+struct boot_params __initdata pvh_bootparams;
+struct hvm_start_info __initdata pvh_start_info;
 
-unsigned int pvh_start_info_sz = sizeof(pvh_start_info);
+const unsigned int __initconst pvh_start_info_sz = sizeof(pvh_start_info);
 
-static u64 pvh_get_root_pointer(void)
+static u64 __init pvh_get_root_pointer(void)
 {
 	return pvh_start_info.rsdp_paddr;
 }
@@ -107,7 +107,7 @@ void __init __weak xen_pvh_init(struct b
 	BUG();
 }
 
-static void hypervisor_specific_init(bool xen_guest)
+static void __init hypervisor_specific_init(bool xen_guest)
 {
 	if (xen_guest)
 		xen_pvh_init(&pvh_bootparams);


  parent reply	other threads:[~2021-09-07 10:12 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07 10:04 [PATCH 0/9] xen/x86: PVH Dom0 fixes and fallout adjustments Jan Beulich
2021-09-07 10:07 ` [PATCH 1/9] xen/x86: prevent PVH type from getting clobbered Jan Beulich
2021-09-23 13:06   ` Juergen Gross
2021-09-07 10:08 ` [PATCH 2/9] xen/x86: allow PVH Dom0 without XEN_PV=y Jan Beulich
2021-09-23 14:03   ` Juergen Gross
2021-09-07 10:09 ` [PATCH 3/9] xen/x86: make "earlyprintk=xen" work better for PVH Dom0 Jan Beulich
2021-09-23 14:05   ` Juergen Gross
2021-09-07 10:09 ` [PATCH 4/9] xen/x86: allow "earlyprintk=xen" to work for PV Dom0 Jan Beulich
2021-09-23 14:06   ` Juergen Gross
2021-09-07 10:10 ` [PATCH 5/9] xen/x86: make "earlyprintk=xen" work for HVM/PVH DomU Jan Beulich
2021-09-23 14:08   ` Juergen Gross
2021-09-07 10:10 ` [PATCH 6/9] xen/x86: generalize preferred console model from PV to PVH Dom0 Jan Beulich
2021-09-23 14:54   ` Juergen Gross
2021-09-07 10:11 ` [PATCH 7/9] xen/x86: hook up xen_banner() also for PVH Jan Beulich
2021-09-23 14:59   ` Juergen Gross
2021-09-23 15:10     ` Jan Beulich
2021-09-23 15:15       ` Juergen Gross
2021-09-23 15:19         ` Jan Beulich
2021-09-23 15:25           ` Juergen Gross
2021-09-23 15:31             ` Jan Beulich
2021-09-29  5:45               ` Juergen Gross
2021-09-29  7:28                 ` Jan Beulich
2021-09-29  7:29                   ` Juergen Gross
2021-09-07 10:12 ` Jan Beulich [this message]
2021-09-23 15:02   ` [PATCH 8/9] x86/PVH: adjust function/data placement Juergen Gross
2021-09-07 10:13 ` [PATCH 9/9] xen/x86: adjust data placement Jan Beulich
2021-09-23 15:04   ` Juergen Gross
2021-09-14  8:32 ` [PATCH 0/9] xen/x86: PVH Dom0 fixes and fallout adjustments Roger Pau Monné
2021-09-14  9:03   ` Jan Beulich
2021-09-14 11:15     ` Roger Pau Monné
2021-09-14 11:58       ` Jan Beulich
2021-09-14 12:41         ` Roger Pau Monné
2021-09-14 15:13           ` Jan Beulich
2021-09-14 16:27             ` Roger Pau Monné
2021-09-15  8:29               ` Jan Beulich

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