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[PATCH v5 3/4] x86/boot/KASLR: Rename process_e820_entry() into process_mem_region()

From Baoquan He <bhe@redhat.com>
Newsgroups linux.kernel
Subject [PATCH v5 3/4] x86/boot/KASLR: Rename process_e820_entry() into process_mem_region()
Date 2017-07-13 16:30 +0200
Message-ID <u2NhT-6IB-5@gated-at.bofh.it> (permalink)
References <u2N8f-6Ff-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Now process_e820_entry() is not limited to e820 entry processing, rename
it to process_mem_region(). And adjust the code comment accordingly.

Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Kees Cook <keescook@chromium.org>
---
 arch/x86/boot/compressed/kaslr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index 36ff9f729c43..99c7194f7ea6 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -479,7 +479,7 @@ static unsigned long slots_fetch_random(void)
 	return 0;
 }
 
-static void process_e820_entry(struct mem_vector *entry,
+static void process_mem_region(struct mem_vector *entry,
 			       unsigned long minimum,
 			       unsigned long image_size)
 {
@@ -517,7 +517,7 @@ static void process_e820_entry(struct mem_vector *entry,
 		/* Potentially raise address to meet alignment needs. */
 		region.start = ALIGN(region.start, CONFIG_PHYSICAL_ALIGN);
 
-		/* Did we raise the address above this e820 region? */
+		/* Did we raise the address above the passed in memory entry? */
 		if (region.start > cur_entry.start + cur_entry.size)
 			return;
 
@@ -573,7 +573,7 @@ static void process_e820_entries(unsigned long minimum,
 			continue;
 		region.start = entry->addr;
 		region.size = entry->size;
-		process_e820_entry(&region, minimum, image_size);
+		process_mem_region(&region, minimum, image_size);
 		if (slot_area_index == MAX_SLOT_AREA) {
 			debug_putstr("Aborted e820 scan (slot_areas full)!\n");
 			break;
-- 
2.5.5

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Thread

[PATCH v5 0/4] x86/boot/KASLR: Restrict kernel to be randomized in mirror regions Baoquan He <bhe@redhat.com> - 2017-07-13 16:20 +0200
  [PATCH v5 3/4] x86/boot/KASLR: Rename process_e820_entry() into process_mem_region() Baoquan He <bhe@redhat.com> - 2017-07-13 16:30 +0200
  [PATCH v5 2/4] x86/boot/KASLR: Switch to pass struct mem_vector to process_e820_entry() Baoquan He <bhe@redhat.com> - 2017-07-13 16:30 +0200
  [PATCH v5 4/4] x86/boot/KASLR: Restrict kernel to be randomized in mirror regions Baoquan He <bhe@redhat.com> - 2017-07-13 16:30 +0200
    Re: [PATCH v5 4/4] x86/boot/KASLR: Restrict kernel to be randomized  in mirror regions Kees Cook <keescook@chromium.org> - 2017-07-18 01:20 +0200
      Re: [PATCH v5 4/4] x86/boot/KASLR: Restrict kernel to be randomized  in mirror regions Baoquan He <bhe@redhat.com> - 2017-07-18 02:00 +0200
  [PATCH v5 1/4] x86/boot/KASLR: Wrap e820 entries walking code into new function process_e820_entries() Baoquan He <bhe@redhat.com> - 2017-07-13 16:30 +0200

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