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Re: Update Linux kernel to current glibc soft-fp
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Richard Henderson <rth at twiddle dot net>
- Cc: <libc-alpha at sourceware dot org>, <stli at linux dot vnet dot ibm dot com>, <Andreas dot Krebbel at de dot ibm dot com>, <kkojima at rr dot iij4u dot or dot jp>, <davem at davemloft dot net>
- Date: Tue, 19 May 2015 17:46:54 +0000
- Subject: Re: Update Linux kernel to current glibc soft-fp
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot DEB dot 2 dot 10 dot 1502060230300 dot 3494 at digraph dot polyomino dot org dot uk> <alpine dot DEB dot 2 dot 10 dot 1503231657440 dot 14930 at digraph dot polyomino dot org dot uk> <alpine dot DEB dot 2 dot 10 dot 1505151441520 dot 21212 at digraph dot polyomino dot org dot uk> <555B6623 dot 9080308 at twiddle dot net>
On Tue, 19 May 2015, Richard Henderson wrote:
> On 05/15/2015 07:47 AM, Joseph Myers wrote:
> > * Boot the new kernel on a system (physical or virtual) where the
> > emulation code will be used, and run the glibc math/ tests (glibc
> > built for hard-float) on that system, making sure the results are no
> > worse than for an old kernel (that is, that no failures appear that
> > seem likely to be related to the changes; if your existing baseline
> > has some libm test failures, that means looking in more detail at
> > *which* individual tests in test-float, test-double, test-ldouble
> > are failing before and after the kernel patch, to make sure it isn't
> > introducing such failures). If you see such failures, again, either
> > debug and fix them or report them to me (though instrumenting the
> > relevant functions to track down which operation's results are
> > changing may help a lot in finding where the problem it).
>
> Success, given the following additional patch.
Thanks. That patch is OK for glibc soft-fp/op-common.h, please commit.
I'll update the Linux kernel patch, retest for powerpc and submit for
kernel inclusion.
--
Joseph S. Myers
joseph@codesourcery.com