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[ Upstream commit 780a0cfda9006a9a22d6473c2d4c527f5c68eb2e ]
Hexagon requires that register predicates in assembly be parenthesized.
Link: https://github.com/ClangBuiltLinux/linux/issues/754
Link: http://lkml.kernel.org/r/20191209222956.239798-3-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Suggested-by: Sid Manning <sidneym@codeaurora.org>
Acked-by: Brian Cain <bcain@codeaurora.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Tuowen Zhao <ztuowen@gmail.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Allison Randal <allison@lohutok.net>
Cc: Will Deacon <will@kernel.org>
Cc: Richard Fontana <rfontana@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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ABI v2 callee saves start at R24.
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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Check return coming out of check_work_pending, and if copy_thread
passed us a function in r24, call it. Based on feedback from Al
Viro.
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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Hardware single-step is only available on v4 and later
architectures.
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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This fixes the return value of sigreturn and moves the work pending check
into a c routine for readability and fixes the loop for multiple pending
signals. Based on feedback from Al Viro.
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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Add support for a couple new v4+ registers, along with
newer save/restore pt_regs.
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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introduce sane current_pt_regs(), use it in syscalls where needed.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Code Aurora Forum (CAF) is becoming a part of Linux Foundation Labs.
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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