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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/arm/include/asm/vdso_datapage.h
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@@ -1,19 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Adapted from arm64 version.
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  *
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  * Copyright (C) 2012 ARM Limited
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef __ASM_VDSO_DATAPAGE_H
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 #define __ASM_VDSO_DATAPAGE_H
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@@ -22,35 +11,12 @@
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 #ifndef __ASSEMBLY__
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+#include <vdso/datapage.h>
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 #include <asm/page.h>
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-/* Try to be cache-friendly on systems that don't implement the
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- * generic timer: fit the unconditionally updated fields in the first
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- * 32 bytes.
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- */
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-struct vdso_data {
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-	u32 seq_count;		/* sequence count - odd during updates */
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-	u16 tk_is_cntvct;	/* fall back to syscall if false */
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-	u16 cs_shift;		/* clocksource shift */
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-	u32 xtime_coarse_sec;	/* coarse time */
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-	u32 xtime_coarse_nsec;
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-
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-	u32 wtm_clock_sec;	/* wall to monotonic offset */
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-	u32 wtm_clock_nsec;
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-	u32 xtime_clock_sec;	/* CLOCK_REALTIME - seconds */
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-	u32 cs_mult;		/* clocksource multiplier */
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-
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-	u64 cs_cycle_last;	/* last cycle value */
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-	u64 cs_mask;		/* clocksource mask */
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-
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-	u64 xtime_clock_snsec;	/* CLOCK_REALTIME sub-ns base */
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-	u32 tz_minuteswest;	/* timezone info for gettimeofday(2) */
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-	u32 tz_dsttime;
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-};
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-
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 union vdso_data_store {
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-	struct vdso_data data;
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-	u8 page[PAGE_SIZE];
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+	struct vdso_data	data[CS_BASES];
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+	u8			page[PAGE_SIZE];
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 };
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 #endif /* !__ASSEMBLY__ */