Add compatible vDSO32 support to arm64, provide the files necessary for building a compat (AArch32) vDSO in arch/arm64/kernel/vdso32.
Leverages effort to unify the vgettimeofday.c file as outlined below. To be applied over top the following pending patches: [PATCH] arm64: compat: Remove leftover variable declaration NB: approved, in arch64/for-next/core [PATCH v3 1/3] arm64: compat: Split the sigreturn trampolines and kuser helpers (C sources) [PATCH v3 2/3] arm64: compat: Split the sigreturn trampolines and kuser helpers (assembler sources) [PATCH v3 3/3] arm64: compat: Add CONFIG_KUSER_HELPERS [PATCH] arm64: compat: Expose offset to registers in sigframes [PATCH v5 01/12] arm: vdso: rename vdso_datapage variables [PATCH v5 02/12] arm: vdso: add include file defining __get_datapage() [PATCH v5 03/12] arm: vdso: inline assembler operations to compiler.h [PATCH v5 04/12] arm: vdso: do calculations outside reader loops [PATCH v6 05/12] arm: vdso: Add support for CLOCK_MONOTONIC_RAW [PATCH v5 06/12] arm: vdso: add support for clock_getres [PATCH v5 07/12] arm: vdso: disable profiling [PATCH v5 08/12] arm: vdso: Add ARCH_CLOCK_FIXED_MASK [PATCH v5 09/12] arm: vdso: move vgettimeofday.c to lib/vdso/ [PATCH v5 10/12] arm64: vdso: replace gettimeofday.S with global vgettimeofday.C [PATCH v5 11/12] lib: vdso: Add support for CLOCK_BOOTTIME [PATCH v5 12/12] lib: vdso: do not expose gettimeofday, if no arch supported timer [PATCH] lib: vdso: add support for time Signed-off-by: Kevin Brodsky <[email protected]> Signed-off-by: Mark Salyzyn <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> Cc: Dave Martin <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Cc: [email protected] Cc: [email protected]
