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Fix Clang 15 compilation errors

Description

Fix Clang 15 compilation errors

  • Clang 15 doesn't support -fno-ipa-sra anymore. Do a separate check for -fno-ipa-sra support by $KERNEL_CC.
  • Don't enable -mgeneral-regs-only for certain module files. Fix #13260
  • Scope GCC diagnostic ignored statements to GCC only. Clang doesn't need them to compile the code.

Porting notes:

  • Moved the stanzas removing -mgeneral-regs-only to Makefile.in since they wouldn't readily work in Kbuild.in and that did.

Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #13260
Closes #14150

Closes #14624
Ported-by: Rich Ercolani <rincebrain@gmail.com
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>

Details

Provenance
szubersk <szuberskidamian@gmail.com>Authored on Nov 30 2022, 10:27 AM
Tony Hutter <hutter2@llnl.gov>Committed on Jun 6 2023, 1:25 AM
Parents
rG1322f07adef3: Linux 6.3 compat: META (#14930)
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Event Timeline

Tony Hutter <hutter2@llnl.gov> committed rGdbbc2f968890: Fix Clang 15 compilation errors (authored by szubersk <szuberskidamian@gmail.com>).Jun 6 2023, 1:25 AM