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| author |  Michael Ellerman <mpe@ellerman.id.au>
| 2018-07-24 01:07:55 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au>
| 2018-08-08 00:32:26 +1000 |
| commit | ba72dc171954b782a79d25e0f4b3ed91090c3b1e (patch) | |
| tree | b453a0e9f72a00c0fb2730fe0bf24c853befe8ef /arch/powerpc/include/asm/hvcall.h | |
| parent | powerpc/64s: Add support for software count cache flush (diff) | |
| download | linux-ba72dc171954b782a79d25e0f4b3ed91090c3b1e.tar.gz linux-ba72dc171954b782a79d25e0f4b3ed91090c3b1e.tar.bz2 linux-ba72dc171954b782a79d25e0f4b3ed91090c3b1e.zip | |
powerpc/pseries: Query hypervisor for count cache flush settings
Use the existing hypercall to determine the appropriate settings for
the count cache flush, and then call the generic powerpc code to set
it up based on the security feature flags.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/hvcall.h')
| -rw-r--r-- | arch/powerpc/include/asm/hvcall.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 662c8347d699..a0b17f9f1ea4 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -342,10 +342,12 @@ #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7 +#define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2 +#define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5 /* Flag values used in H_REGISTER_PROC_TBL hcall */ #define PROC_TABLE_OP_MASK 0x18 |