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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2007-09-18 17:25:12 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-19 15:25:34 +1000 |
| commit | 9e4859ef5462193643fd2b3c8ffb298e5a4a4319 (patch) | |
| tree | d3c225cdfe123a98af1b6bbf280178ae1eb367cc /arch/powerpc/kernel/head_64.S | |
| parent | ee7a76da1ef5e3e5e0e54e84319e435ea25c267c (diff) | |
| download | lwn-9e4859ef5462193643fd2b3c8ffb298e5a4a4319.tar.gz lwn-9e4859ef5462193643fd2b3c8ffb298e5a4a4319.zip | |
[POWERPC] FWNMI is only used on pSeries
This saves 4k on non pSeries builds (except for iSeries where it saves
almost 4k).
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 384cc75f1cd4..22ac245bd59a 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -341,6 +341,7 @@ slb_miss_user_pseries: b . /* prevent spec. execution */ #endif /* __DISABLED__ */ +#ifdef CONFIG_PPC_PSERIES /* * Vectors for the FWNMI option. Share common code. */ @@ -358,6 +359,8 @@ machine_check_fwnmi: mtspr SPRN_SPRG1,r13 /* save r13 */ EXCEPTION_PROLOG_PSERIES_FORCE_64BIT(PACA_EXMC, machine_check_common) +#endif /* CONFIG_PPC_PSERIES */ + /*** Common interrupt handlers ***/ STD_EXCEPTION_COMMON(0x100, system_reset, .system_reset_exception) @@ -1012,6 +1015,7 @@ _GLOBAL(do_stab_bolted) initial_stab: .space 4096 +#ifdef CONFIG_PPC_PSERIES /* * Data area reserved for FWNMI option. * This address (0x7000) is fixed by the RPA. @@ -1019,6 +1023,7 @@ initial_stab: .= 0x7000 .globl fwnmi_data_area fwnmi_data_area: +#endif /* CONFIG_PPC_PSERIES */ /* iSeries does not use the FWNMI stuff, so it is safe to put * this here, even if we later allow kernels that will boot on @@ -1043,7 +1048,9 @@ xLparMap: #endif /* CONFIG_PPC_ISERIES */ +#ifdef CONFIG_PPC_PSERIES . = 0x8000 +#endif /* CONFIG_PPC_PSERIES */ /* * On pSeries and most other platforms, secondary processors spin |