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    Subject[PATCH v3 01/32] arm64: lib: Annotate {clear,copy}_page() as position-independent
    From
    From: Will Deacon <will@kernel.org>

    clear_page() and copy_page() are suitable for use outside of the kernel
    address space, so annotate them as position-independent code.

    Signed-off-by: Will Deacon <will@kernel.org>
    Signed-off-by: Quentin Perret <qperret@google.com>
    ---
    arch/arm64/lib/clear_page.S | 4 ++--
    arch/arm64/lib/copy_page.S | 4 ++--
    2 files changed, 4 insertions(+), 4 deletions(-)

    diff --git a/arch/arm64/lib/clear_page.S b/arch/arm64/lib/clear_page.S
    index 073acbf02a7c..b84b179edba3 100644
    --- a/arch/arm64/lib/clear_page.S
    +++ b/arch/arm64/lib/clear_page.S
    @@ -14,7 +14,7 @@
    * Parameters:
    * x0 - dest
    */
    -SYM_FUNC_START(clear_page)
    +SYM_FUNC_START_PI(clear_page)
    mrs x1, dczid_el0
    and w1, w1, #0xf
    mov x2, #4
    @@ -25,5 +25,5 @@ SYM_FUNC_START(clear_page)
    tst x0, #(PAGE_SIZE - 1)
    b.ne 1b
    ret
    -SYM_FUNC_END(clear_page)
    +SYM_FUNC_END_PI(clear_page)
    EXPORT_SYMBOL(clear_page)
    diff --git a/arch/arm64/lib/copy_page.S b/arch/arm64/lib/copy_page.S
    index e7a793961408..29144f4cd449 100644
    --- a/arch/arm64/lib/copy_page.S
    +++ b/arch/arm64/lib/copy_page.S
    @@ -17,7 +17,7 @@
    * x0 - dest
    * x1 - src
    */
    -SYM_FUNC_START(copy_page)
    +SYM_FUNC_START_PI(copy_page)
    alternative_if ARM64_HAS_NO_HW_PREFETCH
    // Prefetch three cache lines ahead.
    prfm pldl1strm, [x1, #128]
    @@ -75,5 +75,5 @@ alternative_else_nop_endif
    stnp x16, x17, [x0, #112 - 256]

    ret
    -SYM_FUNC_END(copy_page)
    +SYM_FUNC_END_PI(copy_page)
    EXPORT_SYMBOL(copy_page)
    --
    2.30.1.766.gb4fecdf3b7-goog
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