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author | Paul Mackerras <paulus@samba.org> | 2007-07-11 13:28:26 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2007-07-11 13:28:26 +1000 |
commit | bf22f6fe2d72b4d7e9035be8ceb340414cf490e3 (patch) | |
tree | 14085d90de0428316479fe6de8a0c6d32e6e65e2 /arch/powerpc/platforms/pseries/plpar_wrappers.h | |
parent | 4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff) | |
parent | 93ab471889c6662b42ce7da257f31f24c08d7d9e (diff) |
Merge branch 'for-2.6.23' into merge
Diffstat (limited to 'arch/powerpc/platforms/pseries/plpar_wrappers.h')
-rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 2e4d10c9eea..d003c80fa31 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -108,6 +108,21 @@ static inline long plpar_pte_read(unsigned long flags, unsigned long ptex, return rc; } +/* plpar_pte_read_raw can be called in real mode. It calls plpar_hcall_raw */ +static inline long plpar_pte_read_raw(unsigned long flags, unsigned long ptex, + unsigned long *old_pteh_ret, unsigned long *old_ptel_ret) +{ + long rc; + unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; + + rc = plpar_hcall_raw(H_READ, retbuf, flags, ptex); + + *old_pteh_ret = retbuf[0]; + *old_ptel_ret = retbuf[1]; + + return rc; +} + static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex, unsigned long avpn) { |