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| author | Ard Biesheuvel <ardb@kernel.org> | 2020-09-20 18:23:35 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2020-10-28 16:59:43 +0100 |
| commit | 2730e8eaa4f2baccc03296e0c5ee109c0673fe5f (patch) | |
| tree | 239d266582859f5d4f54ae989ff27560e9d11779 /arch/arm/include/asm/memory.h | |
| parent | 0869f3b9da38889faef2ccafcf675c713d4a3aa8 (diff) | |
| download | lwn-2730e8eaa4f2baccc03296e0c5ee109c0673fe5f.tar.gz lwn-2730e8eaa4f2baccc03296e0c5ee109c0673fe5f.zip | |
ARM: p2v: use relative references in patch site arrays
Free up a register in the p2v patching code by switching to relative
references, which don't require keeping the phys-to-virt displacement
live in a register.
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/memory.h')
| -rw-r--r-- | arch/arm/include/asm/memory.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index eb3c8e6e960a..4121662dea5a 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -187,7 +187,7 @@ extern const void *__pv_table_begin, *__pv_table_end; __asm__("@ __pv_stub\n" \ "1: " instr " %0, %1, %2\n" \ " .pushsection .pv_table,\"a\"\n" \ - " .long 1b\n" \ + " .long 1b - .\n" \ " .popsection\n" \ : "=r" (to) \ : "r" (from), "I" (__PV_BITS_31_24)) @@ -196,7 +196,7 @@ extern const void *__pv_table_begin, *__pv_table_end; __asm__ volatile("@ __pv_stub_mov\n" \ "1: mov %R0, %1\n" \ " .pushsection .pv_table,\"a\"\n" \ - " .long 1b\n" \ + " .long 1b - .\n" \ " .popsection\n" \ : "=r" (t) \ : "I" (__PV_BITS_7_0)) @@ -206,7 +206,7 @@ extern const void *__pv_table_begin, *__pv_table_end; "1: adds %Q0, %1, %2\n" \ " adc %R0, %R0, #0\n" \ " .pushsection .pv_table,\"a\"\n" \ - " .long 1b\n" \ + " .long 1b - .\n" \ " .popsection\n" \ : "+r" (y) \ : "r" (x), "I" (__PV_BITS_31_24) \ |