MIPS: vpe-mt: drop physical_memsize
When neither LANTIQ nor MIPS_MALTA is set, 'physical_memsize' is not declared. This causes the build to fail with: mips-linux-ld: arch/mips/kernel/vpe-mt.o: in function `vpe_run': arch/mips/kernel/vpe-mt.c:(.text.vpe_run+0x280): undefined reference to `physical_memsize' LANTIQ is not using 'physical_memsize' and MIPS_MALTA's use of it is self-contained in mti-malta/malta-dtshim.c. Use of physical_memsize in vpe-mt.c appears to be unused, so eliminate this loader mode completely and require VPE programs to be compiled with DFLT_STACK_SIZE and DFLT_HEAP_SIZE defined. Fixes:9050d50e22
("MIPS: lantiq: Set physical_memsize") Fixes:1a2a6d7e88
("MIPS: APRP: Split VPE loader into separate files.") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/all/202302030625.2g3E98sY-lkp@intel.com/ Cc: Dengcheng Zhu <dzhu@wavecomp.com> Cc: John Crispin <john@phrozen.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Philippe Mathieu-Daudé <philmd@linaro.org> Cc: "Steven J. Hill" <Steven.Hill@imgtec.com> Cc: Qais Yousef <Qais.Yousef@imgtec.com> Cc: Yang Yingliang <yangyingliang@huawei.com> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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@ -102,7 +102,6 @@ struct vpe_control {
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struct list_head tc_list; /* Thread contexts */
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struct list_head tc_list; /* Thread contexts */
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};
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};
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extern unsigned long physical_memsize;
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extern struct vpe_control vpecontrol;
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extern struct vpe_control vpecontrol;
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extern const struct file_operations vpe_fops;
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extern const struct file_operations vpe_fops;
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@ -92,12 +92,11 @@ int vpe_run(struct vpe *v)
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write_tc_c0_tchalt(read_tc_c0_tchalt() & ~TCHALT_H);
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write_tc_c0_tchalt(read_tc_c0_tchalt() & ~TCHALT_H);
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/*
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/*
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* The sde-kit passes 'memsize' to __start in $a3, so set something
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* We don't pass the memsize here, so VPE programs need to be
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* here... Or set $a3 to zero and define DFLT_STACK_SIZE and
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* compiled with DFLT_STACK_SIZE and DFLT_HEAP_SIZE defined.
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* DFLT_HEAP_SIZE when you compile your program
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*/
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*/
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mttgpr(7, 0);
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mttgpr(6, v->ntcs);
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mttgpr(6, v->ntcs);
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mttgpr(7, physical_memsize);
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/* set up VPE1 */
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/* set up VPE1 */
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/*
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/*
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@ -22,12 +22,6 @@
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DEFINE_SPINLOCK(ebu_lock);
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DEFINE_SPINLOCK(ebu_lock);
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EXPORT_SYMBOL_GPL(ebu_lock);
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EXPORT_SYMBOL_GPL(ebu_lock);
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/*
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* This is needed by the VPE loader code, just set it to 0 and assume
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* that the firmware hardcodes this value to something useful.
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*/
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unsigned long physical_memsize = 0L;
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/*
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/*
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* this struct is filled by the soc specific detection code and holds
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* this struct is filled by the soc specific detection code and holds
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* information about the specific soc type, revision and name
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* information about the specific soc type, revision and name
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