add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/x86/entry/vdso/vdso-layout.lds.S
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..
@@ -7,16 +7,6 @@
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  * This script controls its layout.
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  */
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-#if defined(BUILD_VDSO64)
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-# define SHDR_SIZE 64
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-#elif defined(BUILD_VDSO32) || defined(BUILD_VDSOX32)
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-# define SHDR_SIZE 40
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-#else
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-# error unknown VDSO target
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-#endif
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-
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-#define NUM_FAKE_SHDRS 13
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-
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 SECTIONS
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 {
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 	/*
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@@ -26,18 +16,23 @@
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 	 * segment.
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 	 */
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-	vvar_start = . - 3 * PAGE_SIZE;
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-	vvar_page = vvar_start;
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+	vvar_start = . - 4 * PAGE_SIZE;
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+	vvar_page  = vvar_start;
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21
 
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 	/* Place all vvars at the offsets in asm/vvar.h. */
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 #define EMIT_VVAR(name, offset) vvar_ ## name = vvar_page + offset;
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-#define __VVAR_KERNEL_LDS
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 #include <asm/vvar.h>
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-#undef __VVAR_KERNEL_LDS
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 #undef EMIT_VVAR
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 	pvclock_page = vvar_start + PAGE_SIZE;
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 	hvclock_page = vvar_start + 2 * PAGE_SIZE;
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+	timens_page  = vvar_start + 3 * PAGE_SIZE;
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+
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+#undef _ASM_X86_VVAR_H
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+	/* Place all vvars in timens too at the offsets in asm/vvar.h. */
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+#define EMIT_VVAR(name, offset) timens_ ## name = timens_page + offset;
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+#include <asm/vvar.h>
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+#undef EMIT_VVAR
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 	. = SIZEOF_HEADERS;
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..
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@@ -60,20 +55,15 @@
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 		*(.bss*)
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 		*(.dynbss*)
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 		*(.gnu.linkonce.b.*)
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-
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-		/*
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-		 * Ideally this would live in a C file, but that won't
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-		 * work cleanly for x32 until we start building the x32
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-		 * C code using an x32 toolchain.
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-		 */
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-		VDSO_FAKE_SECTION_TABLE_START = .;
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-		. = . + NUM_FAKE_SHDRS * SHDR_SIZE;
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-		VDSO_FAKE_SECTION_TABLE_END = .;
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 	}						:text
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-	.fake_shstrtab	: { *(.fake_shstrtab) }		:text
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-
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-
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+	/*
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+	 * Discard .note.gnu.property sections which are unused and have
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+	 * different alignment requirement from vDSO note sections.
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+	 */
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+	/DISCARD/ : {
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+		*(.note.gnu.property)
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+	}
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 	.note		: { *(.note.*) }		:text	:note
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 	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
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@@ -87,11 +77,6 @@
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 	.text		: { *(.text*) }			:text	=0x90909090,
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-	/*
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-	 * At the end so that eu-elflint stays happy when vdso2c strips
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-	 * these.  A better implementation would avoid allocating space
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-	 * for these.
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-	 */
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 	.altinstructions	: { *(.altinstructions) }	:text
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 	.altinstr_replacement	: { *(.altinstr_replacement) }	:text
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