Re: 2.6.20: Rebuild after trivial patch rebuilds way too much

From: Randy Dunlap
Date: Mon Feb 12 2007 - 14:42:24 EST

On Mon, 12 Feb 2007 20:37:35 +0300 Andrey Borzenkov wrote:

> Is not it too much fore a trivial two lines patch to a single file?
>
> {pts/1}% stg import
> ~/patch/Re_2_6_20_rc6_libata_PATA_ATAPI_CDROM_is_not_working.patch
> Importing
> patch "Re_2_6_20_rc6_libata_PATA_ATAPI_CDROM_is_not_working.patch"... done
> Now at patch "Re_2_6_20_rc6_libata_PATA_ATAPI_CDROM_is_not_working.patch"
> {pts/1}% make -C ~/src/linux-git O=$HOME/build/linux-2.6.20
> make: Entering directory `/home/bor/src/linux-git'
> Using /home/bor/src/linux-git as source for kernel
> GEN /home/bor/build/linux-2.6.20/Makefile
> CHK include/linux/version.h
> CHK include/linux/utsrelease.h
> CHK include/linux/compile.h
> UPD include/linux/compile.h
> CC init/version.o
> LD init/built-in.o
> HOSTCC usr/gen_init_cpio
> GEN usr/initramfs_data.cpio.gz
> AS usr/initramfs_data.o
> LD usr/built-in.o
> LDS arch/i386/kernel/vsyscall.lds
> AS arch/i386/kernel/vsyscall-int80.o
> AS arch/i386/kernel/vsyscall-note.o
> SYSCALL arch/i386/kernel/vsyscall-int80.so
> AS arch/i386/kernel/vsyscall-sysenter.o
> SYSCALL arch/i386/kernel/vsyscall-sysenter.so
> AS arch/i386/kernel/vsyscall.o
> SYSCALL arch/i386/kernel/vsyscall-syms.o
> LD arch/i386/kernel/built-in.o
> AS arch/i386/kernel/head.o
> CC arch/i386/kernel/init_task.o
> LDS arch/i386/kernel/vmlinux.lds
> CC [M] drivers/ata/libata-core.o
> /home/bor/src/linux-git/drivers/ata/libata-core.c: In
> function âata_pci_device_do_resumeâ:
> /home/bor/src/linux-git/drivers/ata/libata-core.c:6228: warning: ignoring
> return value of âpci_enable_deviceâ, declared with attribute
> warn_unused_result
> LD [M] drivers/ata/libata.o
> CONMK drivers/char/consolemap_deftbl.c
> CC drivers/char/consolemap_deftbl.o
> SHIPPED drivers/char/defkeymap.c
> CC drivers/char/defkeymap.o
> LD drivers/char/built-in.o
> HOSTCC drivers/md/mktables
> TABLE drivers/md/raid6tables.c
> CC [M] drivers/md/raid6tables.o
> UNROLL drivers/md/raid6int1.c
> CC [M] drivers/md/raid6int1.o
> UNROLL drivers/md/raid6int2.c
> CC [M] drivers/md/raid6int2.o
> UNROLL drivers/md/raid6int4.c
> CC [M] drivers/md/raid6int4.o
> UNROLL drivers/md/raid6int8.c
> CC [M] drivers/md/raid6int8.o
> UNROLL drivers/md/raid6int16.c
> CC [M] drivers/md/raid6int16.o
> UNROLL drivers/md/raid6int32.c
> CC [M] drivers/md/raid6int32.o
> UNROLL drivers/md/raid6altivec1.c
> CC [M] drivers/md/raid6altivec1.o
> UNROLL drivers/md/raid6altivec2.c
> CC [M] drivers/md/raid6altivec2.o
> UNROLL drivers/md/raid6altivec4.c
> CC [M] drivers/md/raid6altivec4.o
> UNROLL drivers/md/raid6altivec8.c
> CC [M] drivers/md/raid6altivec8.o
> LD [M] drivers/md/raid456.o
> LD [M] drivers/md/md-mod.o
> LD [M] drivers/md/dm-mod.o
> LD [M] drivers/md/dm-multipath.o
> LD [M] drivers/md/dm-snapshot.o
> LD [M] drivers/md/dm-mirror.o
> CC drivers/video/logo/logo.o
> LOGO drivers/video/logo/logo_linux_mono.c
> CC drivers/video/logo/logo_linux_mono.o
> LOGO drivers/video/logo/logo_linux_vga16.c
> CC drivers/video/logo/logo_linux_vga16.o
> LOGO drivers/video/logo/logo_linux_clut224.c
> CC drivers/video/logo/logo_linux_clut224.o
> LD drivers/video/logo/built-in.o
> LOGO drivers/video/logo/logo_superh_mono.c
> LOGO drivers/video/logo/clut_vga16.c
> LOGO drivers/video/logo/logo_superh_vga16.c
> LOGO drivers/video/logo/logo_dec_clut224.c
> LOGO drivers/video/logo/logo_m32r_clut224.c
> LOGO drivers/video/logo/logo_mac_clut224.c
> LOGO drivers/video/logo/logo_parisc_clut224.c
> LOGO drivers/video/logo/logo_sgi_clut224.c
> LOGO drivers/video/logo/logo_sun_clut224.c
> LOGO drivers/video/logo/logo_superh_clut224.c
> LD drivers/video/built-in.o
> LD drivers/built-in.o
> HOSTCC lib/gen_crc32table
> GEN lib/crc32table.h
> CC lib/crc32.o
> LD lib/built-in.o
> GEN .version
> CHK include/linux/compile.h
> UPD include/linux/compile.h
> CC init/version.o
> LD init/built-in.o
> LD .tmp_vmlinux1
> KSYM .tmp_kallsyms1.S
> AS .tmp_kallsyms1.o
> LD .tmp_vmlinux2
> KSYM .tmp_kallsyms2.S
> AS .tmp_kallsyms2.o
> LD .tmp_vmlinux3
> KSYM .tmp_kallsyms3.S
> AS .tmp_kallsyms3.o
> LD vmlinux
> SYSMAP System.map
> SYSMAP .tmp_System.map
> MODPOST vmlinux
> AS arch/i386/boot/bootsect.o
> LD arch/i386/boot/bootsect
> AS arch/i386/boot/setup.o
> LD arch/i386/boot/setup
> AS arch/i386/boot/compressed/head.o
> CC arch/i386/boot/compressed/misc.o
> OBJCOPY arch/i386/boot/compressed/vmlinux.bin
> GZIP arch/i386/boot/compressed/vmlinux.bin.gz
> LD arch/i386/boot/compressed/piggy.o
> LD arch/i386/boot/compressed/vmlinux
> OBJCOPY arch/i386/boot/vmlinux.bin
> HOSTCC arch/i386/boot/tools/build
> BUILD arch/i386/boot/bzImage
> Root device is (8, 2)
> Boot sector 512 bytes.
> Setup is 7247 bytes.
> System is 1334 kB
> Kernel: arch/i386/boot/bzImage is ready (#15)
> Building modules, stage 2.
> MODPOST 435 modules
> CC drivers/ata/libata.mod.o
> LD [M] drivers/ata/libata.ko
> LD [M] drivers/md/dm-mirror.ko
> LD [M] drivers/md/dm-mod.ko
> LD [M] drivers/md/dm-multipath.ko
> LD [M] drivers/md/dm-snapshot.ko
> LD [M] drivers/md/md-mod.ko
> LD [M] drivers/md/raid456.ko
> make: Leaving directory `/home/bor/src/linux-git'

Bummer. It works as expected (as it should) for me.
Only libata is rebuilt.

I don't know stgit. Are you sure that is the only patch that you applied?

---
~Randy
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