linux-kernel - [PATCHv5 22/37] x86/vdso: Rename vdso

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Date:   Mon, 29 Jul 2019 22:57:04 +0100
From:   Dmitry Safonov <dima@...sta.com>
To:     linux-kernel@...r.kernel.org
Cc:     Dmitry Safonov <0x7f454c46@...il.com>,
        Dmitry Safonov <dima@...sta.com>,
        Adrian Reber <adrian@...as.de>,
        Andrei Vagin <avagin@...nvz.org>,
        Andy Lutomirski <luto@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Cyrill Gorcunov <gorcunov@...nvz.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Jann Horn <jannh@...gle.com>, Jeff Dike <jdike@...toit.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        Shuah Khan <shuah@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        containers@...ts.linux-foundation.org, criu@...nvz.org,
        linux-api@...r.kernel.org, x86@...nel.org
Subject: [PATCHv5 22/37] x86/vdso: Rename vdso_image {.data=>.text}

To avoid any confusion with VVAR.

Co-developed-by: Andrei Vagin <avagin@...nvz.org>
Signed-off-by: Andrei Vagin <avagin@...nvz.org>
Signed-off-by: Dmitry Safonov <dima@...sta.com>
---
 arch/x86/entry/vdso/vdso2c.h | 2 +-
 arch/x86/entry/vdso/vma.c    | 6 +++---
 arch/x86/include/asm/vdso.h  | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h
index 80be339ee93e..7556bb70ed8b 100644
--- a/arch/x86/entry/vdso/vdso2c.h
+++ b/arch/x86/entry/vdso/vdso2c.h
@@ -158,7 +158,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
 	fprintf(outfile, "\n};\n\n");
 
 	fprintf(outfile, "const struct vdso_image %s = {\n", image_name);
-	fprintf(outfile, "\t.data = raw_data,\n");
+	fprintf(outfile, "\t.text = raw_data,\n");
 	fprintf(outfile, "\t.size = %lu,\n", mapping_size);
 	if (alt_sec) {
 		fprintf(outfile, "\t.alt = %lu,\n",
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index 3f05418642a8..2dc4f0b5481c 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -32,8 +32,8 @@ void __init init_vdso_image(const struct vdso_image *image)
 {
 	BUG_ON(image->size % PAGE_SIZE != 0);
 
-	apply_alternatives((struct alt_instr *)(image->data + image->alt),
-			   (struct alt_instr *)(image->data + image->alt +
+	apply_alternatives((struct alt_instr *)(image->text + image->alt),
+			   (struct alt_instr *)(image->text + image->alt +
 						image->alt_len));
 }
 
@@ -47,7 +47,7 @@ static vm_fault_t vdso_fault(const struct vm_special_mapping *sm,
 	if (!image || (vmf->pgoff << PAGE_SHIFT) >= image->size)
 		return VM_FAULT_SIGBUS;
 
-	vmf->page = virt_to_page(image->data + (vmf->pgoff << PAGE_SHIFT));
+	vmf->page = virt_to_page(image->text + (vmf->pgoff << PAGE_SHIFT));
 	get_page(vmf->page);
 	return 0;
 }
diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
index 230474e2ddb5..dffdc12cc7d6 100644
--- a/arch/x86/include/asm/vdso.h
+++ b/arch/x86/include/asm/vdso.h
@@ -11,7 +11,7 @@
 #include <linux/mm_types.h>
 
 struct vdso_image {
-	void *data;
+	void *text;
 	unsigned long size;   /* Always a multiple of PAGE_SIZE */
 
 	unsigned long alt, alt_len;
-- 
2.22.0