The following commit has been merged into the x86/mm branch of tip: Commit-ID: 185be15143aa308184310df9fde3d409ca9f83bb Gitweb: https://git.kernel.org/tip/185be15143aa308184310df9fde3d409ca9f83bb Author: Christoph Hellwig <[email protected]> AuthorDate: Mon, 26 Aug 2019 09:55:56 +02:00 Committer: Ingo Molnar <[email protected]> CommitterDate: Tue, 03 Sep 2019 09:26:37 +02:00
x86/mm: Remove set_pages_x() and set_pages_nx() These wrappers don't provide a real benefit over just using set_memory_x() and set_memory_nx(). Signed-off-by: Christoph Hellwig <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Dave Hansen <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/include/asm/set_memory.h | 2 -- arch/x86/kernel/machine_kexec_32.c | 4 ++-- arch/x86/mm/init_32.c | 2 +- arch/x86/mm/pageattr.c | 16 ---------------- 4 files changed, 3 insertions(+), 21 deletions(-) diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h index 899ec9a..fd549c3 100644 --- a/arch/x86/include/asm/set_memory.h +++ b/arch/x86/include/asm/set_memory.h @@ -75,8 +75,6 @@ int set_pages_array_wb(struct page **pages, int addrinarray); int set_pages_uc(struct page *page, int numpages); int set_pages_wb(struct page *page, int numpages); -int set_pages_x(struct page *page, int numpages); -int set_pages_nx(struct page *page, int numpages); int set_pages_ro(struct page *page, int numpages); int set_pages_rw(struct page *page, int numpages); diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c index 77854b1..7b45e8d 100644 --- a/arch/x86/kernel/machine_kexec_32.c +++ b/arch/x86/kernel/machine_kexec_32.c @@ -148,7 +148,7 @@ int machine_kexec_prepare(struct kimage *image) { int error; - set_pages_x(image->control_code_page, 1); + set_memory_x((unsigned long)page_address(image->control_code_page), 1); error = machine_kexec_alloc_page_tables(image); if (error) return error; @@ -162,7 +162,7 @@ int machine_kexec_prepare(struct kimage *image) */ void machine_kexec_cleanup(struct kimage *image) { - set_pages_nx(image->control_code_page, 1); + set_memory_nx((unsigned long)page_address(image->control_code_page), 1); machine_kexec_free_page_tables(image); } diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 4068abb..930edeb 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -916,7 +916,7 @@ static void mark_nxdata_nx(void) if (__supported_pte_mask & _PAGE_NX) printk(KERN_INFO "NX-protecting the kernel data: %luk\n", size >> 10); - set_pages_nx(virt_to_page(start), size >> PAGE_SHIFT); + set_memory_nx(start, size >> PAGE_SHIFT); } void mark_rodata_ro(void) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 1f97a72..d5586a0 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -2113,22 +2113,6 @@ int set_pages_array_wb(struct page **pages, int numpages) } EXPORT_SYMBOL(set_pages_array_wb); -int set_pages_x(struct page *page, int numpages) -{ - unsigned long addr = (unsigned long)page_address(page); - - return set_memory_x(addr, numpages); -} -EXPORT_SYMBOL(set_pages_x); - -int set_pages_nx(struct page *page, int numpages) -{ - unsigned long addr = (unsigned long)page_address(page); - - return set_memory_nx(addr, numpages); -} -EXPORT_SYMBOL(set_pages_nx); - int set_pages_ro(struct page *page, int numpages) { unsigned long addr = (unsigned long)page_address(page);
