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powerpc/64s/radix: tidy up TLB flushing code

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There should be no functional changes.

- Use calls to existing radix_tlb.c functions in flush_partition.

- Rename radix__flush_tlb_lpid to radix__flush_all_lpid and similar,
  because they flush everything, matching flush_all_mm rather than
  flush_tlb_mm for the lpid.

- Remove some unused radix_tlb.c flush primitives.

Signed-off: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190902152931.17840-3-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin
2019-09-03 01:29:27 +10:00
committed by Michael Ellerman
parent ed6546bdc6
commit 99161de3a2
4 changed files with 34 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
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@@ -17,8 +17,8 @@ extern void radix__flush_tlb_lpid_page(unsigned int lpid,
unsigned long addr,
unsigned long page_size);
extern void radix__flush_pwc_lpid(unsigned int lpid);
extern void radix__flush_tlb_lpid(unsigned int lpid);
extern void radix__local_flush_tlb_lpid_guest(unsigned int lpid);
extern void radix__flush_all_lpid(unsigned int lpid);
extern void radix__flush_all_lpid_guest(unsigned int lpid);
#else
static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); };
static inline void radix__flush_tlb_lpid_page(unsigned int lpid,
@@ -31,11 +31,7 @@ static inline void radix__flush_pwc_lpid(unsigned int lpid)
{
WARN_ON(1);
}
static inline void radix__flush_tlb_lpid(unsigned int lpid)
{
WARN_ON(1);
}
static inline void radix__local_flush_tlb_lpid_guest(unsigned int lpid)
static inline void radix__flush_all_lpid(unsigned int lpid)
{
WARN_ON(1);
}
@@ -73,6 +69,4 @@ extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr);
extern void radix__flush_tlb_all(void);
extern void radix__local_flush_tlb_lpid(unsigned int lpid);
#endif