Messages in this thread | | | Date | Thu, 11 Jan 2018 21:22:37 -0600 | From | Josh Poimboeuf <> | Subject | Re: [PATCH v1 1/8] x86/entry/clearregs: Remove partial stack frame in fast system call |
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On Tue, Jan 09, 2018 at 05:03:21PM -0800, Andi Kleen wrote: > From: Andi Kleen <ak@linux.intel.com> > > Remove the partial stack frame in the 64bit syscall fast path. > In the next patch we want to clear the extra registers, which requires > to always save all registers. So remove the partial stack frame > in the syscall fast path and always save everything. > > This actually simplifies the code because the ptregs stubs > are not needed anymore. > > arch/x86/entry/entry_64.S | 57 ++++----------------------------------------------------- > arch/x86/entry/syscall_64.c | 2 +-
This diffstat doesn't need to be in the changelog.
-- Josh
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