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jerpelea pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


    from cce41d4d791 drivers/timer: Avoid duplicate tick read on cancel
     new b90a12a5c16 arch/x86_64: Invalidate the TLB entries of the pages in 
up_invalid_tlb().
     new cb719980907 arch/x86_64: Grow the heap of the address environment that 
is selected.
     new b07c19775a6 arch/x86_64: Map a region into the page tables that its 
addresses use.
     new cd1e88f9db1 arch/x86_64: Give the system call parameters in their 
registers.
     new 0ed64e4ef06 arch/x86_64: Align the kernel stack at the call of 
x86_64_syscall().
     new 3fd1801c129 arch/x86_64: Keep the registers of a user thread on its 
kernel stack.
     new 0093b3a0fb2 arch/x86_64: Do not switch context in up_exit() before the 
last switch.

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Summary of changes:
 arch/x86_64/include/intel64/io.h               |  4 +++-
 arch/x86_64/include/syscall.h                  | 31 +++++++++++++-------------
 arch/x86_64/src/common/x86_64_addrenv.c        | 17 +++++++-------
 arch/x86_64/src/common/x86_64_exit.c           | 19 ++++++++++++++--
 arch/x86_64/src/common/x86_64_fork.c           | 17 +++++++++++---
 arch/x86_64/src/common/x86_64_pgalloc.c        |  8 +++++--
 arch/x86_64/src/intel64/intel64_head.S         |  7 +++++-
 arch/x86_64/src/intel64/intel64_initialstate.c | 26 ++++++++++++++++-----
 8 files changed, 90 insertions(+), 39 deletions(-)

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